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《美国飞机命名的规则（rules for naming aircraft in the united states）》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、美国飞机命名的规则（RulesfornamingaircraftintheUnitedStates）I.airforceThenomenclatureoftheUSAirForce(formerlycalledtheArmyAirForce)hasundergoneroughly4revolutionsoverthepastfewdecades.Intheearlyperiodofaviation,themilitaryaircraftarealmostallpurchasedfromabroad.Sotheaircr
2、aftmodelsaredirectlyusetheoriginalforeignname,suchasalargenumberoftheuseandimitationofawarintheBritishDH4.DH-9bombers;FranceNiubao17andSheppard13.Asforasmallnumberofdomesticaircraft,theyarearbitrarilynamedornumberedbytheirownmanufacturingcompanies,andthereisnoun
3、iformtypenamingmethod.Thiswentonfor1919years(oneyearafterthefirstWorldWar).After1919,mostaircraftcompaniescontinuedtousetheirrespectivenumbers,buttheairforcebegantonamethemilitaryaircraftfromthefirstsetofmethodsfromSeptember1919to1924.Thisnomenclaturewastherevis
4、edversionoftheFrenchnomenclatureatthattime.Ituses15capitalsandEnglishletterstorepresent15differentaircraftuses,followedbyadesignserialnumber.Soon,therewere4moreusecodes,butthelatterwasexpressedinasingleEnglishletter.SinceMay1924,secondtypesofnomenclaturehavebeen
5、adopted.Asin1947aftertheArmyAirForceAirForcein1948andbecameindependent,madesomesmallchanges,bytheuseofcodeanddesignnumber,with1~2uppercaselettersEnglishusecodehasthefollowing17types:A:attackaircraftandsinglelightbombers;B:DB:daytimebomberbomber;F;:photographicre
6、connaissancemachine;F:FM:multiseatfighter;fighter;GA:groundattackaircraft;heavybombers;HB:LB:NBL:remotelightbomber,nightbomber;NBS;short-rangenightbomber;planes;P:PA:air-cooledenginePB:TwoSeaterplanes;planes;PGgroundattackplanes::PN:PW:Nightplanes;water-cooleden
7、gineplanes.Whenanaircraftisstillintheindeterminateflighttestphase,aletterXmustbeaddedbeforethecodeofuse.Thismethodhasbeenusedsofar.DuringtheSecondWorldWar,theUSArmyAirForcegenerallyadoptedanewroundofnomenclature.Thisnomenclaturecanclearlyindicatetheuse,modificat
8、ionstatusandmanufacturernameoftheaircraft.Takingthefamousstrategicbomberatthattimeasanexample,thefollowingareexplained:XCB-17G-50-DLfortressThe5678234Hereisthestatuso
