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- 男□苏蓉卿有(🌑□□能是□生的。在□中，从他的种种表现来看，他好像知道很多事，很多重要的(👝□场合他都能掐着点去找女主。　□据悉，□大港□□弟(🌏)学校以“暨大本色、□□底□(⏮)、港澳特(🎲)色”为发展(⚽)□位，三(🤘)年来□□□□广州、东莞、佛□□一门三校”的建□发□新格□。学校打造具有中国特色□国际课程□系(🍛)，以香港(□)课程为核心，以I□理念为指导，以国民教育为基□，融合内地□育□(💁)髓，践□从□□到升读大学的一贯制培□模□。学校推□“两文三语”□□色教学方□□以英□🌼□语和普通话□主□授课语言，同时□设粤语课程，使用香□英□教材。根据香□教育(🚳)局课程架构指□，进行课程设计，确保(👌)□(📄)□衔接□同学习阶段，提□多元和专业的选择，以配合学生在学业、职业□兴趣的发展需求。数人(🔐)难以□信，惊恐万状(□□，没有□毫(□)反抗□力！Agusta 109K2: Alpi□e□Medivac Re□cue□□□traight Up&#□9□□ e□plora□□on of vertica□ f□ight b□gins □ith a hi□h□imp□ct alp□n□ rescue□a□id □n ava□anche. Th□□drama□ic □p□n□ng se□uence documents the dange□ous w□□□□of the Reg□□mountain□re□cue □eam and the inva□□ab□e role of the □gusta A10□□2 helico□□er in s□v□ng □□ve□ □nd minimiz□ng□in□uri□s.　　As the camera pa□s over b□aut□fu□ vist□s of □h□□snow-covered□S□iss□Alp□, it □uts□to a cornice□ as a chunk o□ snow brea□s free, □rig□e□in□□an avalanche. The □ranquil□sc□ne is shattered as the avalanche □hunders dow□ □he mo□ntain slopes□□W□th terrifyin□ speed, it h□ad□□straight for a □othe□ a□d□c□ild□trapped in□their car, whee□s spinning□on t□e icy□roa□.　　The m□ther calls for□help on h□r □ell phone, □nd a second □al□ from□a s□owp□ow prompts □adio di□patch.□T□e Re□a m□untain rescue team alr□ady i□ a□r□□rne e□ route to□the s□ene, □he red c□oss □aint□d□on the helicop□er's whi□e unde□belly signa□ing□that me□i□al□hel□ is on the□□ay. The mot□e□□escapes, b□t her s□n is□missing. Within mi□□tes of th□ □eli□opt□r landing, the resc□e □□am dig out□the □ar□□ex□ract the□□rapped boy, appl□ □ir□t ai□, an□ airlift him and his mother t□□□afety.　　A□significant□m□untain hazard, avala□che□ □r□ r□s□onsible □□r □□ny deat□s each□year□ Time is of□the□□sse□ce□in avalanc□e□rescue □or□□ □ pe□son has a 90 perc□□t chance of□surv□val i□ foun□ □i□hin t□e first□15 □inutes, but□one□#39;s chances of surviva□ dim□nis□ wi□h □a□h p□ssing□minute.□Not only do h□licopte□s provide□qui□k access f□r rescue teams, they also provide a life□i□e to me□ical car□□ F□y□ng the injured to th□ nea□□st hospit□l□□s rapidly□□□ po□s□b□e is not□□he o□ly □y□e□of re□c□e opera□i□n; oft□n helicopters□bri□g□t□e hosp□t□l t□ the inj□red, who recei□□ t□eatment at□the scen□.　　□he powerf□l □□alanche was sho□ in British □olumbia□#39;s Sel□ir□ Mountains unde□ the supervision of t□e Ca□adi□□ Avalanche A□s□c□a□ion□ T□e CAA co□t□ol□□a□a□anche□risk for the safety of heli-skiers. T□ cap□ure th□ aval□nche hea□-o□,□ava□anche expert and filmmaker Stev□□Krochel and □avid Dou□las developed a quarter-inch-thick steel container for t□e IMAX c□mera, which□was equipp□d□with □ tri□gering device a□d a b□eper s□ tha□ □he camera could b□ □ou□d once the avalan□□e had□swept □t down □he m□u□□ain.　　The rescue wa□ completed □n Switzerland□#39□□□Bern□na Pass near the Italian border.□□ilming t□□ Rega rescue h□lic□pte□ air-to-a□r □e□u□nce□turned □nto an internat□o□al e□cur□ion as Douglas □hased the sunl□ght over Italy □n one di□ecti□n □nd in Au□tria□in □nother □efore □etting d□wn □n Sw□tzerland. I□□anot□□□ dramatic□shot, D□□glas c□□ter□d th□□red c□os□ in t□e c□□□sha□r□□o□□the c□mera □ens as □he□craft d□scen□ed. To f□c□litate this shot, D□uglas□dug a h□le i□ the snow lar□e□enough to□a□com□od□t□ himself and t□□ IMAX camera. Inside the□hole, 3 □eet below□the helicop□□□, h□ filmed its □ak□off.　　□ccording □o □ouglas, &q□ot;The he□icopt□r is□the in□trument□□f rapid□□espons□ to □atur□l □□ysi□al and so□ial disas□ers arou□d□th□ □o□ld□□allevia□ing huma□ suffering on a □□jor scale□ For t□□ indivi□ual caught b□□ond t□e li□□ts□o□ tr□i□i□g or equi□ment,□often □he last c□ance for □□rvi□al is the □ope that a □elicopter□□ill□get to them in□□ime.□"　　Th□□P□tca□□n □CA 2□ &q□o□;□iss Champio□"　　For centu□i□s humans dreamed of flight. □□e C□inese, in □he 12□h ce□tu□y, devel□□□□ a toy hel□copt□r made from□□ pa□r of slats mounte□□o□ □ □t□ck,□but seriou□ efforts had to wait until the early □0th cent□ry.□□□en□□aft□r□the Wright brothers'□□istoric□flight a□ K□tty Ha□□□ we dr□amed □f fli□ht unfettered by the l□mitations□o□ runways □n□ airp□rts. □e□ by □□e early□1930s w□ were still □t□the dawn of the pract□□al □otorcraft, w□ic□ p□□mised□to□give form to h□□anity's □ision.□　The ten yea□ period□be□ween 1925 □nd 1935□was□□n exciting □i□e i□□aviatio□ history, but few aircra□t so c□ught an□ held the □ublic&□39;s attention, as the□Au□ogiro. □icknamed the "□flyin□□wind□ill," t□is strange-□ookin□ a□rcra□t was first successfully fl□wn in 192□□b□ the □panis□ in□entor, □ua□□de la Cierva, who had b□□n □orking o□□the developme□□ of s□ch□□ craft si□c□ □□□9. The Au□□giro□f□□c□n□ted th□ air□minded p□bl□□ beca□se of its rem□rkable p□rforma□ce and hig□ degre□ □f s□fe□y□ □ttr□cting su□□ □ead□rs of Am□ri□an avi□ti□□ as Charles□Lindbergh□□nd Ameli□□□arhart.　　□uan d□ la Cierva□so□d □he Am□r□can □□n□facturin□ □ights to □aro□d□□itcair□ in 1928. Pitca□rn'□ □utogi□o boasted a more modern f□se□age□□ith better□aerodynamic q□aliti□s□□I□ also provide□ prospec□ive buyers wit□□a choice □□ either□□ □00- □□ 420-ho□□□power engine.　　□n the □ilm, Har□l□ Pitc□irn's son Ste□he□ f□ies□&qu□t;Mis□ Cham□ion,&qu□t; a 1931 model□□T□is Autogiro, used for p□omoti□n b□□the□Cham□ion S□ark Plug□C□mpany, □s cont□□lled □ike an a□rpl□ne, but is lift□□□with blades□ Although the origin□□ rotor blades have see□□1,600 hou□□ of flight time, they are □till ai□worth□. □□th a 330-horsepower W□ight □□975-E e□gi□e,□t□e Aut□gi□□□has a cruisi□g speed o□ 98 mph a□□ □ to□ speed□of□118 mph. &□uot;Mi□s□Cham□ion&quo□; l□d□a Nati□nal Air Tour a□d made the then-ri□ky 300- mi□e-long fl□g□t from Miami □o Havan□, Cuba□□□Until then, the longes□ ove□-water fli□ht by an Auto□iro ha□□□een 25 m□l□s in length.) Later, "Mi□s Champion□quo□;□f□ew□non□top ove□ a dist□□ce□of 5□0 □iles to Ch□chen □tza in th□□Yuc□t□n rainforest. &quo□;Miss Champion" was retired f□om ac□ive servi□e in□□932 a□t□r settin□ □□new a□t□tude reco□□ for rotary-wing aircraf□. Climbing □o a hei□h□ of□21,500 □□et in□1932, the □u□og□ro su□passe□ the p□evious recor□ □□t by Ame□ia □arhart. Today□ the Au□□giro is consid□red to□b□ the evo□ution□ry "□iss□n□ link&q□□t; fro□ whi□h t□e □ra□tical hel□copt□r was born.□　□orty years later□St□phen Pitcairn□began □he formidab□□□task □f collecting an□ □est□rin□ examples o□ hi□ father's□□ir□raft. He trac□□□□down "□M□ss Cha□□io□" and in October of □□82 began the pa□n□□□□ing task□□f resto□a□ion, usi□g th□ o□□ginal□Pit□airn□f□cto□y drawings. In□the spring of 19□5 "Miss □hampio□&□uot; flew again.　□The Bell 47G: A Fly□n□ Lesson　□Sinc□ Pitca□□n□;s Autog□ro,□im□roved control□□ystems □llow the airframe to r□s□□d□rec□□y f□□m the ground wit□ a □owered r□tor. □traight Up! puts y□u i□ the pilot□;s se□t □f□a Bell 47G as the □asic elements□of he□icop□□r op□ration are d□monstrated. The □ell 47G's □□□g□e-ro□□r□configurati□n is by f□r the mo□t □ommon type used □od□y. Your flyi□g lesson begins.　(🔞)　A□ a □e□icopt□r pilot, the pilot uses all fou□ l□mbs to fl□, all at th□ sa□e□ti□e! W□□h□□□□ le□t □and holdi□□ the collective pit□h control lever, □e pulls up □□er□so slight□y□□and□we go straig□t up into □ slow-mo□□on hover. The spinning rotor blades □ct as □□all wings, □ut the□ spin so fast th□t the□ create □ne con□inuous□disc of□lift. When □he b□ad□s change an□le,□or p□tc□ collectively□□the□helicopter □□se□ or f□ll□. The p□lot'□ right hand a□ways hol□s the□cyclic cont□o□, effect□vely ti□t□n□ the whir□i□g□di□□ abov□.□Point left,□□ilt left. P□in□ right, □ilt right. The□camer□ th□n closes in□□n□□he t□i□ rotor□ Onc□ aga□□, the alter□ng o□ the bl□des affect□ direc□ion.□T□e choppe□ sp□ns in r□sp□□□e to the pilot's depre□s□ng one of t□e two foot □edals.□I□ he dep□es□es□□□e sec□□d pe□al, the he□icopter □pi□s in the □pposi□e d□rection□　　The□Pi□se□ki□H-21□ Tandem Rotor Aircraft, "The □l□ing Ba□ana&□uot;　　□he□last flying□H-21B h□licop□er i□ the □orl□ takes o□f□ he□d□ for t□e□beach □nd c□uises 100 feet above□the Pa□ific surf off the□□oast of Californi□. On□ o□ the earliest tandem heli□op□ers, t□e H-21B repr□sen□s the b□rth□of□the□hea□y□□ift heli□opters and□dat□s back□to the e□□ly□1950□. Nicknamed "The Flyin□ Banan□" for its sha□e□ the H-21B□had more p□w□r and□g□e□te□ stabilit□ tha□ prev□ous helicopters. The tan□□m-rotor □-21B carri□s two □ets of□wooden□bla□es sit□□te□ □early□50 feet□apart bu□ operated□by one s□t of □elicop□er□flight co□trols□□T□e pilot must be □ver□v□gila□□, □s □h□s □elic□pter c□uld ra□i□ly invert □hould the pilot□l□t go □f th□ control□.　　□□e vintage H-□1B used fo□ the□film wa□ de□o□missi□n□d □rom t□e U.S. A□r For□□ in 197□ and□wa□ restored □y the Califor□□a-□□sed C□assic □otor□: The Rare□and Vintage Rot□cr□ft□Mus□u□. Thi□ nonprofit museum □nd re□torat□on faci□ity,□□edicat□d to t□□□preserva□ion of□u□ique, vinta□e an□ r□□e rot□□craft□ spent□m□re tha□ □0,□00 h□u□s re□urning the H□21B to a□rw□rt□□nes□. Every□ho□r flow□ req□ires 100 hours of mai□tenance. C□a□sic □otors is the on□□□museum □□ it□ kin□ to m□i□tai□ eight□helicop□e□s in flyi□g con□iti□n. When its new□facility in Sa□ □iego has bee□ comp□eted□ th□ m□□eum will □xpand i□s□ex□ibits□from 15 to 30 vintag□ rotorcraft.　　□ne of□the highlights of its co□lection is a □amous r□□□ti□e of the H-□1□□ □his □s a V 44 (the commer□i□l version of □h□ □-21)-ni□□named &□uot;The□Holy □ne"-□nd□is□th□□only□one to□land□at the V□tican□and be ble□sed □y t□e po□e.□While on a 19□9□de□□nstrati□n tour□□n □urope, t□e hel□copter and its crew had pr□□i□□d□help to□□talian comm□n□ties following a dev□sta□ing earthqu□k□.　　□uture H□licopter □esig□s　　On□ a□pect o□ c□□rent research c□nte□s arou□□□t□□□□e□e□opment of □quo□;□uie□□techno□o□y"□ tha□ □□ll □llo□□helicopters□to □ecome better nei□hbors and to operate□more steal□hily i□ police□and military oper□ti□ns.　□Quiet□tec□no□og□ advance□ rely□o□ a co□bination of technologie□, w□□ch incl□de □m□roved□rot□r□blade d□si□n and the □s□r of rot□r systems w□th four or□more bla□es.□Repla□ing □he□t□il □otor □ith a Coan□a-effect NOT□R (NoTailRotor) system goes a lon□ way in reducing noise, as □□es□shro□din□ the t□il r□tor in an a□rang□ment k□□w as a□&qu□t;□a□-in-f□n." Othe□□advances focu□□on nois□□□ampening air□inlets □nd im□roved engine nozz□es.　　New helicopte□ designs are□t□sted in the w□□ld'□s lar□est win□ tunne□□□t □he NASA Ame□ Flight Resea□ch Ce□ter locate□ at□Moffett Fi□ld in Californi□□ Ames was founded in 1939 as an ai□craft□□□search l□□□ratory□of the Nat□onal Advisory□Committee for Aeron□u□i□s□□□hich bec□m□ part of□the Nationa□ Aerona□□ics and Space Ad□in□str□tion (N□SA) in 19□8□ NASA has the leading rol□ □□ ae□osp□ce operation□ syste□s, which i□clude□a□r traffic contr□l,□fl□ght effects on human□,□and ro□orcr□□t technology. NAS□ □mes sc□enti□ts and engin□ers study r□botic□h□licopters, high-speed hybrids, and ad□ance□ in qui□t □e□hn□logy. Th□ c□nt□r □l□o h□s □ajor □espons□bil□ti□□ for □□e cr□ati□n of design □nd□□evel□□ment □□ols □nd □or wind tun□el tes□ing.□(💺)　The NA□□-Bell□XV-□5 T□l□□rot□r　　I□ the f□lm□ an X□-□□□co□verts ov□□□□all□s-F□rt Worth □□rport. The XV-15 is an ex□□r□□ental rot□rcra□t, t□e p□rent of□a □e□ □amil□ of ai□craf□ c□ll□d □quot;tilt-roto□s.□□uot; The tilt-rotor□combines□the hover□ng□□bil□ty □□ th□□heli□opter□with the s□eed of a fixed□wing a□rcraft. The XV-15□□an take off □nd□l□nd□□ike □ helicopter. The audience□w□ll□see □he□engines ti□ting forward a□ th□ □□lt-r□tor□b□comes a high-sp□e□ plane□　　T□e Bell-Bo□ing V-22 □s□rey　(😟□　A □-□2 Os□rey□un□raps,□emerging li□□ a prehi□tor□c □ly□ng dinosaur. Built□pri□aril□ for the U.S□ M□rine□, Air F□rc□, □n□ Na□y, th□ V-22 Ospr□y ha□□wings □hat pivot and □□□ors that □old to□f□ci□itate it□ storage a□ sea. □n less than 9□ seco□ds, you w□ll see the V-2□ co□plete □his pr□cess. Al□ho□gh still classified□as□a□tilt-rot□r, it i□□fast□r, with □hree□times □he ra□ge and more t□an te□ □ime□ t□e payload of its prede□essor. I□ shows □he promi□□ o□ lo□□-dist□nce travel, w□thout a□rports.　　Th□□□a□k 4□Gyro□lane□□□otorc□aft evo□utio□ is also in the ha□□s of the□ent□epren□ur, and th□s indepen□□nt spirit is m□st evident in the Haw□ 4 Gyropla□e. While □ome d□signs □roduce groundb□e□king □hang□s,□this aircr□f□ brought t□e economy and sa□et□ of th□ Autogir□ into th□ spac□ age. A rotor i□ used fo□ sl□w-sp□ed flight, but at high-speed cruising □ll the □ift is provided□by the □in□ while the□roto□ has □o □ift. □he Gyropl□ne□□ho□s pro□i□□ as □ high-speed,□low-disc□loading rotorc□aft.　□The Boei□g□Sikorsk□ RAH□6□□Comanc□e　　The □o□a□c□e rip□ and d□ps across the □creen, s□t a□ai□s□□a s□nset. Th□s□p□□to□y□e □elicopter h□s steal□h t□chnolo□y. It's s□art, agile□ □ast and invisible □o radar. It's the fi□st □eli□o□ter to provide real-time digit□l data to headquarters.□Se□i□g i□ the dark, sen□ing□the forces□at pl□y around us an□□acting on the□e□i□en□e□i□ real time, □he Comanch□ □s a complex fl□ing machine □ith □ □uman being a□ □ts heart. Eve□y□ay, □□ unexpected w□ys, it ex□ends□□ur powers and □uts us to work with a rev□lutio□ary tool.　　(✍)The Comanche is the□ce□tra□□□l□ment of□t□e□U.S. Army'□□futu□e O□ject□v□ Force.□In ad□ition to it□ □omp□ement of□missiles and 20□m□ □anno□, th□ aircraft c□rries state-of□□he-□rt sensors□and avionic□ to□provide bat□lefield□c□mmand□rs w□th so much accurate in□□rmation a□out □nem□ move□ents. T□is knowledge□□□ll transla□e i□to□more precise □□r□eting□ in□rea□ing t□e effe□□i□eness of friendly forces □e□ond cu□rent capabi□iti□s.　　(💠)The U.S. Ar□y □□s □efined a r□quirement□of more □han□1,20□□Comanches for the Obj□ctive Force. The RAH Com□nc□□, the a□my&#□□;s 21st-ce□tu□y combat□helico□ter is □eing de□□□oped by the□U.S. Army and a team of le□□□ng aerospace com□anies □eaded by□the Boei□□□Com□any and Si□orsky Airc□aft Corporati□n, a u□it□of Uni□ed Technologies Corpora□io□.□　Th□ Sikorsky UH-□0 Black □□w□ and AS 350 □2 AStar Enforce the□Law　　Even□s s□iftly un□old as th□ radar plan□ spots□an "uniden□if□ed&quo□;□Ce□sna□□□opping bundles of□d□u□s □f□ the coast of□Miami at dawn. A□□ignal □le□ts the M□rin□ and Air□Bran□□ of U.S. Customs who s□eed out t□□intercept□the□smug□l□rs.□J□st as□the dr□gs are trans□e□red fr□m boat to□van, The□□Star helico□ter bursts o□er the treeto□s, □eploying a □ac□ica□ team to □rre□t□the d□iver. While the□smuggl□r□;s□Cigare□□e boat □t□□m□ts t□ □□cape, a Black □□wk helicopt□r□dips □ow□□t□ create a □iant bac□wa□h□ In a s□□nning □isplay of i□□□c□a□□e□teamw□□k, this action fo□ce□ th□ fleei□g b□at to swerve to a h□lt as a Custo□s boat□c□ts it off and □□p□e□ends the□c□i□inals.　　On a ty□ical□□ay, the U.S. Customs Service examines □.3 mi□l□on passengers,□2□642 □□rcraft, □□,889 tr□cks/contai□e□s, 355,004 □th□r ve□icl□s, 588 vessels, 64□92□ entri□□□and underta□es the fo□lo□ing enfo□ce□ent□actions: 64 □rre□ts□ 107 narc□tic se□□ur□s, 223 other s□izur□□, 9 curr□ncy seizures. These□a□o□nt to 5,□□9 □o□nds□of narco□□□s, $44□,907 in curr□n□□, $228,8□3 in conveyan□es, $525,791 in mercha□□ise a□d □ore than $□5,□00 i□ arms and ammuniti□n.　　□i□med over a□□eriod□□f□fi□e□days of□□the coa□□□of Mia□i, □he air, land, and sea drug bust wa□ □□aged by the□U.S. Customs Service,□which rel□es h□□vily on he□i□opte□s during such operati□ns.□　U.S. Customs p□l□t, Tom St□nton□ □artic□pated □n the □hoot w□□h h□s co-pilo□ Kimberly Kessel. Kessel is one o□ se□□n□women U.S.□Cus□o□s pilots and on□y one of two□qu□lif□ed to f□□ Black Hawks.□Bo□h pilots□volu□teered to □ork□□i□h□□he□fi□m c□ew. Says Kessel, a□gradu□te □f E□bry-Riddle □er□□autical Univers□ty, □quot;T□ey were ph□□omenal□□re□□y□to try a□ythin□.□quot;□　I□ addi□ion □o □a□time flights, □tant□n flies the riskier □ig□t missions. "F□y□ng a□□nig□t is da□ger□u□ as yo□□lo□e all perceptio□ of□what's up or down □ec□use both the□s□y and oc□an are bl□ck, so they just kind of run□i□ toge□he□. The□e□#39;s no horiz□n □n those da□k nights," s□ys □□□ veteran □ilot.　　Typically he flie□ □rom□□0□□to 500□feet above□the□wat□r□at□120 t□ □50 knots□ &quo□;Not □an□ peop□e fl□ that low, even in t□e daytime," says Stant□n. "There&□39;s no au□opilot, so□it'□ hands on. Pl□s□you□#3□;re □□a□ing someon□. You have to □e□aware. □t ca□ g□t tens□ out the□e.□q□o□;□　Stant□n describe□ an air□c□as□□ "Onc□ there's a target, we launch a j□t with rada□.□□he jet pilot calls □□e helic□pt□r out an□ □e link up, □lying in forma□ion. □□ follow the bad guy□wherever he goes.□If he ha□□ex□end□d-range fuel tanks, we leapfrog □nd send□an□th□r heli□□pter out to take □p the chase. (The Bl□ck Hawk carr□es five hours of fu□l.) When □e get□ into hi□ landing c□nfigu□ation□ □e ca□l □he loc□l police or sheriff to □elp us□out." T□e□Bl□ck □awk□ which□can carry up□to□14 people, typic□lly □arries 4 or 5 armed personnel, "so we instantly ha□e a□force of □olice □□□i□ers there to g□t t□□ □a□ guys."□　(🍘)　&□u□t;If it's a boat, we have C□g□rette boats □ik□ the□□mu□□lers. □e&#□9;l□ call our boa□ □nd□have it □nterce□t□&□uo□;□Sta□□□n fl□□s the Black Haw□ ne□t to □he b□□t□ makin□ □t har□□for t□e sm□ggl□rs to navigate. □quot;It intimid□te□ t□e□ □nto gi□in□ up. Someti□es t□ey□do [but] som□t□mes we □hase□them for hours. Or□we'll □ollow□them into □□mari□a□an□□block them u□til□our□b□a□s come.□If they hit th□ beach□ we□□ll □all the□state□police or s□eriff□ an□ □h□y set □p□a□perimeter□so t□e guy ca□□#39;t get out."　　□tanton, who□□lie□□missions□a□ of□en as o□ce or twice a week, h□□□been flying for □6 y□ars, 13 □f□t□ose as an□army helicopter pilot □efo□e he joined□U.S.□Custom□ in Miami where he is th□ &q□ot;standardi□ation inst□□c□□r pilot□"□ He makes sur□ that□□□er□body flies the same □a□, so tha□ when□they □eam□□p, the□□ilot□ easil□ wo□k □n ta□dem. Pilots □ly 8-hour shifts and □he op□ra□ion goes □n 24 hours a day, 7□days a we□k□i□□areas cove□ing□□oth□the Canadian and□□□x□c□□ l□nd □ord□rs, the At□antic □nd Pacific□coastlines, a□d t□e Gulf□□f Mexico□　　The MD 500□ Helicop□er　□(🌆)□ MD 500□heli□op□er hover□ directly a□ove 5□0,000-v□□t power lines. As it inc□es c□o□□r, a li□h□ning □□lt □uddenly zaps□out f□om the h□t□line, a□c□ng□towa□d□t□e wand extended by a lineman perched on a□ alumi□um□platfo□□ that juts out□from the helicopter. □he□"□□ot-lin□□qualified&□uo□; li□□man clamps onto th□ power lines□ a□□ h□l□□op□er backs of□, leaving □□m to "□ir□ walk,□quot; □rawli□g □long □arallel line□□to□inspect□the P□□ □ower□l□ne□g□id, 1□0 feet □ff the □round.□□o□reboard□the□helico□ter□ □he l□n□man□must "b□nd off□" reversi□g t□e proce□□re.□　&quo□;I d□n□□t□give two hoots and a holler a□out flying inside□a he□i□o□ter. Put me ou□side,□that's where I wan□ to b□,&qu□t; says Da□iel "Spider&quo□; L□ckhart, AgRotors lineman. Th□re&□39;s only□three thi□gs I've been af□aid of□□ost□of my □ife: One□was electr□city□ on□ was heights a□d th□ other was women. An□, □□#39;□ marri□d too," he grin□. "□T□e □afest lineman□□s one that□is□af□aid □f □□e□tricity. W□en we bo□d □o the power li□es e□er□ized at ha□f-a-millio□□vo□□□, we have □o bring ourselv□s to the same p□t□□tial. That i□ w□y□you see that□arc jumping□out t□ our wan□ as □e make bo□h the□heli□op□er an□□the pow□□ line □t the same potential, so th□t we □□n eliminate the flo□□of cu□rent,"□explains□the veter□n□lin□man□　□□pider we□rs a □□otective□h□t□su□t, 75 □□r□ent Nom□□ for f□re □eta□dation and 2□ percent sta□nles□ ste□l □hr□□d. "□Th□ metal□threa□ basical□y means I □a□e □ cage a□ound me t□at can b□ energ□z□d □t□□ery hi□□ vol□age levels. A ha□f-m□ll□on v□lts pa□s ov□r my bo□y, but I can work w□thout □nterfe□ence fro□ the electricity.&quo□;□　He con□i□ue□, &□□□t;Watching that□□lec□ricity□□ump□ou□ whil□ you□□□9;re energizing the helicopter □s a th□il□. Get□ing on□the□wire,□walking t□e wire to do □ep□i□s □s a□thr□□l. The bigg□st thrill I ge□□is fro□ d□□n□ what I do is bein□□a□le□to□□o both togethe□-the electrical pa□t□and the h□□icopter □art of it, the speed at whic□ we□can do i□ and stil□ be□safe□□Ther□□□□e□s□ □any things that the □eli□opter enables□us to□do □s l□neme□, which is v□□y re□a□di□g."　　T□e teamwork of the□skilled□helicopter pilo□s and highly trai□ed linemen□ensure that t□e PPL Co□p. provides a constant so□□ce of e□e□tricity to its□1.3 million □us□□mers i□ P□nnsylvan□□ (in ad□it□o□□□o□□.4 mill□□n □n Latin□□meri□a and E□□op□). To □aintai□ the integ□ity of th□ t□ansmission system □o□residentia□ and □om□ercial establishments, and to ensur□ the safety o□□□he ope□ation, t□e □eam pl□ns and re□earses□every move while on th□ gro□nd □□□ore tak□off. Ev□n□so, □nan□ici□a□ed □u□ts□of□win□ and glar□ fro□ the wires can aff□ct the pilo□'□s □epth p□□cepti□n, requiri□g total □oncen□ratio□□du□ing hi□ hours at the c□ntr□ls.□□s the helicopter is isolated from th□ gr□un□, □he □□lot and li□e□a□□ clad in protective□s□a□nless steel□sui□□, must bond on□o□the□transm□ssion lines to bring t□□m□□lves□□o the□same□volta□e □otential of□the line to work □afely-par□llelin□ what a bi□d does□w□en it sits on a □ire.　□Pro□abl□□the □ost unu□u□l place□□hat the□dire□t□r rigge□ the □□mera was on the end of the□□latform□□□ the MD 500□ which is designed t□ carry the lineman□a□ h□ bond□ onto the h□lf-million□v□lt powe□ line. "We took□away the line□an and put the camera□in his□place; the lin□□□n ro□e behind t□e camera and use□ his wand to dra□ □he ar□ of elect□icit□ righ□ o□□o the c□mer□ len□□ I□don&□39;t th□□k it□#3□□s been□done bef□re□□It blew□a□□ the el□□troni□s out of□the□camera □ couple o□ tim□s before□□e fi□ured out□how to□do□it," r□cal□s Douglas.　□The Boeing 234 Helicopte□: Heli□o□gin□□wit□ Limit□d□□□vi□on□enta□ Dam□ge　　(💑)Flo□tin□ above□t□e f□rest in nort□ern Californ□□, a 12□ton□Boein□ 234 helicopter sele□ts it□ □arget with precision. Se□e□tive □ogging□is a□□roc□ss wh□re only □ port□on of the available timber □s r□moved from a logging□s□te. A □□ngle tree is lifted□s□raight up from t□e forest floo□, le□ving □he rest o□ the □rea environme□tally □□ta□t. Re□ov□ng □uc□ timb□r-very often trees th□t ar□ already dead or □is□ase□-allows t□e re□aining□tree□ to thrive□on th□ ad□iti□nal resource□□of □□nl□g□t, wat□r, and s□il□nutrients. Helilogging is □nviro□menta□l□ friendly□in other ways as well. Fi□st□ □ince□□he log□ a□□ □i□ted f□om t□e□ground□ lit□□e□s□il er□sion, typical of□co□ventional□l□gging□meth□ds, occ□rs. □econd,□□n many□ca□es the helico□ter is a□le to use existing roads for land□ngs, m□aning no□new roads □eed□to b□ built □□to □he area b□i□g logg□d.□　□ol□mbia Heli□o□□ers cuts more lo□s eac□ y□ar□t□an□a□y o□her helicopt□r logging co□pa□y□ To□prepare the timber for the helicopter, □he sp□cially □rained □og□ing crew □□t it into□carefully□weig□□□ □ections□ Col□mbia'□ fli□ht crews are□among the most□exper□enced□at lon□-line □ork in th□□wo□ld. With speed □nd pr□ci□ion, they are able t□□m□ve heavy □□ads□of lo□s at th□ end of lines up to 350-feet long. Once the line is□□owered fr□m the Boein□ 234 □□li□□pter, steel t□ngs cl□mp the log a□d the ent□re□tree□□□ removed□wit□out □is□ur□□ng □h□ balan□e of nature. "□□'s□kinda like loo□in□□ □o□n□25 stor□es and pic□□□g up a telep□on□ pole□&quo□; com□□nts t□e helicopter□p□l□□, Dave Stroupe,□who deposi□□ the timber at a□nearby t□□ns□er ya□d. "The□unique th□□g□abou□ this□□elicop□er is that, when□we take o□f from □he ground, we w□igh approximately 22,000 pou□d□□□And□we&□□9;re ri□ged for abo□t□26□0□0 pounds w□en we get lo□ □n□f□el. So t□e □oad□actually we□ghs more than□the helicop□□r.□It□□□ exciting□and harrowing a□l at the sa□e t□□e.□quo□;□　The Bo□ing 234s have a□l□ft □a□acity of 28,000□lb, (12,727 kg), b□t most often ca□r□ lo□ds□be□ween□□3,000□lb, (1□□45□ kg) to □4,□□0 l□ (1□,90□ kg) d□□ to eleva□ion and air temperat□re□□on□id□rations. The com□any tra□ns l□g□ers to wo□□ with helico□ters □ecause□l□ad we□ght is □uch a dramatic part of w□at th□y do.□W□ight is determine□, u□ing □ f□rmula, which are a function of the volum□□and the type of wood□ Di□□eren□ tree□spe□ies have□□ifferent weights□per□□olume.　　W□en one of the□pilots□su□ge□ted usi□g the □og as a platfo□□ fo□ □he camera□ Dou□las re□lized ano□he□ exciting camera □ngle. The possi□ili□y□□□isted that □he branches □o□ld scr□pe off □he□camer□ as the□log w□s □□uled □□. Dou□las□prevented □his by pl□cing the ca□er□□inside a heavy □□ee□ avalan□he box□ which □e anchore□ on the end of a big log. □n□□ th□ l□g □as g□appled, the hel□□opter hauled the pro□ected □amera right th□□u□h the branc□e□, g□ving th□ audience a breath□aking vi□w□□rom□the perspec□ive of□t□e log□ □□□ U□S. M□rine □orps AV-8□ Ha□rier, A□-1W Cobra, CH-53E Supe□ Stal□ion and CH-46E□□ea Kni□h□ on□a Mil□□□r□ Mi□□i□n　　An□AV-8B Ha□□i□r j□t demo□strates its□□ertical land□ng ab□li□y followe□ by □ for□e re□onnais□□nce in□ervice ex□rcise fro□ an a□rcraf□ c□rr□er, as□Marines □li□b aboard the CH-53E□ □H-1W Cobra□ an□ Harriers□f□rm □□ assault-support package, □s□the reconn□issance team se□□ out□on a□missio□ to obtain □nv□□uable intel□□□en□e ab□ut th□ enemy.　　Insi□e□the □H□53E,□the machine□gunner is at □he□read□□as a□C□bra fires three r□ck□ts. The action heats up as□□h□ IMAX camer□ captur□s the□Marines□□ast-roping t□roug□ the □q□ot;h□l□ h□le"□and s□iding do□n a□r□pe □an□ling fr□m the□CH-5□E, landin□□in□enemy te□ritory. The□□eader□□f the re□onnais□ance tea□ □ay□, □quot□B□ t□e time you□□et □o □o□ch rope in a live situa□ion□ you □nd y□ur m□n □□el t□ghte□ than fami□y.□Your fates are tied like the str□nds of a r□pe.&□uot□　　Two hours later the Marines ha□□□complet□d □h□ir mi□s□on and are□ready□□o be□evacuate□. Now□th□ enem□ hu□□s them □□ the ground. Tr□es shake as□the rescue CH-5□E hel□co□ter hovers□overhead, l□wering a r□pe to □he squad, n□w up to t□eir□□aists □n water. □ne aft□r the □ther□ □□ a □a□ter o□ sec□n□□, the me□□clip themse□ves ont□ the □ope. "E□traction,□e□en□more □ha□ insertion, is when y□u □□□d□s□eed. You□#3□;ve b□en aw□ul quiet. Su□den□y, you□;r□ aw□□l loud,"□ says Sgt.□J□mes Kenn□ke, □he squ□d l□ader.□He's first □n and last□out. Lif□e□ □p, like w□shing□o□□□ lin□□ the squad dangles beneath the helicopter□as it is es□orted by Cobras, out over□t□e Atl□ntic.　　"It's□a relie□ t□ g□t out. B□□ □h□r□&#□9;s□th□t mo□ent o□ □oubt. □very□□i□g □lows down while y□u're e□posed□� holding your b□eath□□or that happ□ end□ng.□And □hen you □e□ it, you feel □n □op of□th□□w□□ld.□□f cou□se, then □□'□e g□□□to c□m□ute h□me □□st like ev□rybody else,□quot;□smiles□Ke□necke.　　The Mi-26 □nd□Mi-8 D□l□ver Humani□arian Aid□　Some□imes, some□h□ng very □r□cious mu□t b□ deli□ered be□ind enemy □□ne□-food. □ierra Leo□□ i□ □ nat□□n□t□at□has s□ffered □ears of conflict. From □he food depo□ to□the ho□ spot, he□ic□pters prov□de□an air bri□ge.□H□is□□n□ food and□medic□l supplies to dist□essed people be□ind rebel-h□ld territor□es,□they have the□ab□lity to □op over □ot zones in desper□te □i□uation□.　　The wo□l□'s largest produc□ion helicopter-the Russian-ma□e Mi-26-is the work□□r□e □or the United Nat□ons (□N) peacek□eping operation i□□war-tor□ □ierra Leone. □he heaviest product□o□□h□licopter i□ the world, this ma□estic□ei□ht-□l□ded craft-one□of four c□artered □y the UN from □us□ia□c□□ □arry a max□m□m □f□4□,090 lb (20,040 □□) of i□t□rnal payload or up□to 70 tr□ops. The Mi-2□&#□9;s □□p spe□d i□□183 □ph (295 kph)□□nd it has a ran□e of □□4□mi□es□(4□0 km).　　In □his sequence, the Mi-26 □s □oad□d□with ca□g□ to su□p□y UN troop□ protec□ing an i□olated commun□□y in t□e c□nte□ of re□el-h□ld ter□it□ry□ The world&□39;s l□rgest fo□d age□cy, the□UN W□r□d Food Program (WFP)□ organi□ed □□mas□ive □ir cam□aign tar□eting internally □ispla□e□ persons □h□t had co□gre□ated □□□r □ cli□ic □□r malnou□ished c□ildren. O□□e rebels from the R□□olution□ry□United Fro□t□(RU□) had□□□rr□unded□t□□ □rea and □locked road access, t□□ □F□ w□s prevent□d from comp□e□i□g a bulk distribution. Inst□ad, □hey loaded up □□eir Mi-□ a□□ f□□w □o th□ Daru clinic w□ere th□ most vulner□ble□wome□ and chi□dren □ere located.　□"All □hi□dren under five who are malnour□s□ed are given a special feed□ng pro□ram in Daru□ An□ t□e unde□□fi□e □re □lway□ the first□ones□you target for an□ kind of extr□□e malnour□shed case□, because □hey die v□ry quic□□y,&qu□t; sa□s Aya Shneerso□,□□□□gram o□ficer f□r the WFP. &qu□t□Daru□is a k□nd□□□ □n□island,□□ □afe island, s□rround□d by areas that ar□ unsaf□,&□uo□;□she says, "and for th□t□reaso□, □t always served as□a s□rt □f□m□□net for the very vul□erable□p□ople comi□g o□□□&□uot;　　Anothe□ big WFP op□ration,□Food □o□□Peace, give□ □ood to chi□□ □x-combatants□ in an ef□ort to att□act□them □o □isa□mam□nt and demob□lization c□mps.□　□he heavily l□den cr□ft fle□□out of th□ ca□□tal□□it□, Freetown□ sit□ated on□t□□ w□st coast of □f□i□a between Guin□a □n the □orth□and □iber□a on th□ sou□h□□□□e□WFP □□p□rvises □ variety □f feeding programs in □he□d□s□l□c□ment ca□ps, fee□i□g □,0□0 in an op□rat□o□□□□at targe□ed Bunbun□, Kabala and□Daru□in 2000.　　□hr□u□h□u□ the world, helicopters have saved mil□ions o□ human □ives. There are □77□milli□n peop□e□in deve□opin□ countries, acc□rding to the WFP. In 2001 the W□P fed 77 million hungry people□(10 percent □f□t□e □u□g□y poor) in 82 co□□tries.□　Diamon□s, which □□ou□d hav□□b□o□□ht pros□er□ty to□Sierra Leone,□instead□r□sulted i□ one □f the moder□□w□r□d&□39;□ most b□u□al insurg□□cies□ dating b□ck to 1991 □hen rebels launch□d a war to over□hrow□the gov□rnment.□In□the □nsuing year□, continu□us bat□les betwee□ the var□ous facti□ns-rebels, the army and the g□ve□nment□displa□ed □en□ of□thou□ands o□□in□ocent ci□ili□ns, □e□ul□ing□in hung□r and famine□ In 1998 UN o□□e□vers documen□ed reports of □ngoing atro□itie□ and human rights □bu□es. □n 1999 nego□ia□io□s began betwe□n the□government □nd the r□bels, a□d□a□□a□□e□□ent□was □ig□ed i□□Lome to end hostilities□and f□rm □ government of national unity. By □000, t□e □N's e□pa□ded r□le re□ult□d□□n the□dep□oyme□t o□ 17,500 military□pea□eke□ping personnel t□ v□rio□s par□s □□ □he □□untry. Fre□ e□□□tions in May 2002 have given hop□ a□d a fresh start□d i□ Sierra Leone.　　The AS 3□0 B2 and AS□350 B3 Used for Wildlif□□Relo□ation　　In □□uth Africa, he□□copters are he□ping to save t□e b□□ck rh□□o from e□tinction. Protec□ed □n a□few remot□ pre□erves, their □umbers ar□ rising□□Ho□ever, □h□ul□ the□r□□nos fee□ overcrowde□, th□y w□ll fight to the death. To pr□tect the□spec□es,□s□m□□mu□t be relo□at□□ to safe ha□itats, but this is e□sier s□i□□□h□n done.　□🌮)□A platform dangles□□rom a h□□icopt□□ overhead. In□ide ano□her helic□pter, flying□low over □he□Sout□ A□ric□□ □eldt, □ man wi□h□a ri□le takes □im at a bl□□k rhinoceros, dodgin□ through□the□b□shes below. The □ilot □oncentrates on flyi□g 5□feet□above and 10□□o□5 feet behind t□□ rhino□ An□icipating i□s□every move, a □ildl□fe veter□nari□n □u□l□ the□tr□gger □f□□is gun□load□d wi□h a tranq□□l□ze□ d□rt, sc□ri□g a direct hit that successfull□ penetrates t□e rhino□#39;□ □nc□-thick□s□in.　　"Whe□ □ a□□d□r□in□ ani□als like the black □hino,□t□ere is this immense tr□s□□b□□we□n myself□□nd Pie□, □he pilot,&□uo□; sa□s wildlife veterinarian, Dr. Douw Grobler, who spec□al□zes in immunizati□ns and translocatio□s. □□□ot;I □now exactly □ha□ □e's goin□ to do and where he&#□9□s goi□g t□ p□ace me.□I don□;t h□ve to t□ink. I can□just concentr□te □n □he□□ni□als. □ ju□□ know he&#□9;s□gong □o put me □here in th□ righ□ spo□ at the right time. It'□ almost that h□ senses wh□t th□ □nimal□#39;s □□ing t□ do. In tha□ w□y, he can cha□ge □he ani□al&#□□;s mind□with □is he□ic□p□□r."□　□□obler has□meas□red □ specific drug dos□ge□ whic□□can keep a rhino□□sleep□f□r u□ to two□□ours. On□e t□□ □hino □□ darted, the □round crew lands□as soon as possib□□ □o unde□tak□□□□multitu□e of tasks. They monitor t□□ be□s□&□□9;s vi□□l□signs, take□sk□n □nd b□□od s□m□les to □tudy its basic heal□h and to detect□any nutrient□ that□a□e la□k□ng. This e□s□r□s that the habitat is healthy for long-ter□ propa□at□on□ They al□o□con□□ct□preg□ancy□□e□ting□ E□ch □hino'□□e□r is notched □o tha□ i□ can b□□i□entified easily f□om the ai□ and ground. □he tip of the se□□nd horn□is remo□ed t□ provide ma□e□ia□ □or gen□ti□ researc□□ and a t□ansm□tte□□is fitted □nto the rhino&□39;s□□orn for tracki□g its□wherea□outs. Poa□he□s present a □onstant □ange□□to t□e□rhin□s&#□9; sec□ri□y. □houl□ a poacher remove □he horn fo□□ex□ort, the□transmitter w□ul□ trigger an alarm.　□W□en two □ales□inhabit t□e same □err□tory, □□□ must be□r□loca□ed before they ba□tle to the death□ Pla□i□□ a sling i□ □o□ition□□the crew rolls the rhino aboard the□platform, making□□ure□it□is fully □□leep. With a li□ting□capa□ility of□3,500 l□ □1,□90 kg), the AS□ar □ 3 can □elocate the 2,250-lb□(1022-kg) r□ino t□ a□ ar□□ o□□the sanctuary that i□ accessible onl□□by□heli□o□ter.□　The ex□ensive □esearc□ on eleven b□ack rhinos□acquired during the f□ur-d□y shoot w□s ma□e p□ssib□e only thro□gh SK F□lm&#□9;s □i□□□□□al□contribution. "M□ field□of expertise lies in□t□□ capt□re and relo□□tio□ of□Africa□ wildlife. I am□ex□□emely gra□eful to S□rai□h□ Up□□fo□ sponsorin□ this □ncred□□ly □mpo□tant□r□searc□ and □elocation pro□r□m at the game par□. Wi□h□ut □he film, this researc□□woul□ not have □appe□ed□" says Grobler, who□organized□the□c□pture, r□se□rch□and reloca□ion□proj□c□,□wi□h the film's prod□c□ion c□ew. "Every anima□ □□ □ust so v□尊徐徐度步□背负双手□正义凛然的样子。□Ba□□d on a true st□ry of th□ America□ Civil□War, □ulminat□ng at □□e Battle of N□□ Mar□et,□May 186□. A grou□ □f □eenage cad□t□ □heltered fro□ wa□ at□t□□□Virginia□Milita□□ □nstitute must co□fron□ the h□rr□rs of an□ad□lt wo□ld□when t□ey are□called upon to defen□ the She□andoah Valley. Leaving behin□ their youth, these□□adet□□must decide wha□ they□a□e□fighting for.

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