16.5.1Pre-flightDuringpre-flight,informationfromtheflightplanandloadsheetisenteredintotheCDU.Thisinformationdefinesthestartingpointoftheflightforinitialisationoftheinertialreferencesystems,thedesiredroutetothedestinationtoinitialiseLNAV,andperformanceinfo...[继续阅读]

    故障描述2013年4月7日13:50,飞行机组驾驶一架PA44-180飞机执行转场飞行训练任务。约14:30,突然两部GNS430通信导航设备黑屏,中断了与塔台的联系。机组将应答机调至A7600,关闭电子设备总电门和GNS430通信导航设备开关,对主汇流条和电瓶断...[继续阅读]

    ApparentWanderTheazimuthgyromustbetorquecompensatedforearthdrift,whichallowsforthefamiliar15.04×sinlat°/hr.TheNorthgyromustbetorquecompensatedatarateof15.04×coslat°/hr.TransportWanderAstheplatformistransportedaroundtheearthitwill,ifuncorrected,driftandtop...[继续阅读]

    ControlandDisplayofanIRSareverysimilartothatoftheconventionalINS,andatypicalmasterswitchunit(MSU)isshowninFigure14.1.Figure14.1MasterSwitchUnitTheoutputsareonadisplaypanelandgivetheinformationselectedbythecrew,withanychangesmadebyusingamenudrivenkeypad.(F...[继续阅读]

    TheFMCcontainsstoragespacefortwodatabases:thePerformanceDatabaseandtheNavigationDatabase.16.4.1ThePerformanceDatabaseThePerformanceDatabasecontainsanaveragemodeloftheaeroplaneanditsengines.ThismodelprovidestheFMCwiththedatarequiredtocalculatepitchandthrus...[继续阅读]

    故障描述2012年3月14日,某架Cessna172飞机执行本场训练,在滑跑中心圈100m处发现一异物,并报告指挥员,指挥员指挥后面着陆脱离的Cessna172飞机机组下飞机将异物捡回交机务值班人员。机务人员检查确认为PA44-180型飞机的真空泵排气管,遂...[继续阅读]

    Theprincipleoftheaccelerometeristhemeasurementoftheinertialforcethatdisplacesamasswhenactedonbyanexternalforce(acceleration).Initssimplestform,anaccelerometerconsistsofamass,suspendedinacylindricalcasinginsuchawaythatitcanmoverelativetothecasewhenthecase(...[继续阅读]

    TherehasbeenamisconceptionoverthepastyearsabouttheaccuracyofGPS.ItistruethatformanyyearstheUSDepartmentofDefensemaintainedintentionaldegradationofaccuracycalledSelectAvailability(S/A),asystemforrandomlydegradingtheaccuracyofthesignalsbeingtransmittedtociv...[继续阅读]

    5.5.1EarlyDetectionofEn-RouteWeatherTosettheantennatilttooptimizetheradar’sabilitytoquicklyidentifysignificantweather,followthesesteps:·SelecttheWXmodeofoperation.AdjustBrightnesscontrolasdesired.·Selectthe40or80nmlrange.·Adjusttheantennatiltcontroldownun...[继续阅读]

    Cessna525型飞机是美国塞斯纳飞机公司研制的双发涡轮风扇5座公务机,如图3.0.1所示。该型飞机为全金属半硬壳式机身,采用超临界层流翼型(NLF)下单翼,T形尾翼,前三点式、可收放起落架。尾吊两台威廉姆斯国际公司的FJ44涡扇发动机,单...[继续阅读]