BHT-429-MPI
StandardAspeciedrule,reference,ormeasurethatyouusetodeterminethecondition
ofacomponent.
Time-in-Service(FlightTime)
Themeasuredtimethatstartsthemomentthehelicopterleavesthegroundand
continuesuntilittouchesthegroundatthenextpointoflanding.Thetimewhenthe
helicopterisontheground,withtheengineandtherotorturning,isnotincluded.
TorqueEvent
Asignicantchangeinpowersetting.Thetypesofpowersettingchangesareas
follows:
-AGround-Air-Ground(GAG)event(i.e.,onetakeoffplusthesubsequent
landing)
-Aloadlift,suchasacargohookliftoperation,awaterbucketliftoperation,or
anairbornereplenishmentofxedinternalorexternalreservoirs
Zone
Alimitedareaofthehelicopterthatmaycontainmorethanonesystemor
component,whetherrelatedornot.Azoneincludesallofthestructural
assemblies,mechanicalassemblies,mechanicalsystems,andElectricalWire
InterconnectionSystems(EWIS)containedwithinthezonelimits(BHT-429-MM,
Chapter6).
Applicableto:ALL429-A-00-71-00-00A-006A-A
ECCNEAR99
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