EntityQ815756· pop 15· linked from 164 articlesBell YAH-63Sign in to save1975 prototype attack helicopter model by Bell HelicopterConnectionsBell AH-1 CobraEntityBell TextronEntityUnited StatesCountryInternational Standard Book NumberEntityhelicopterEntityUnited States NavyEntityUnited States ArmyEntityHughes AH-64 ApacheEntitySikorsky UH-60 Black HawkEntityBell UH-1 IroquoisEntityBoeing CH-47 ChinookEntity2024 Varzaqan helicopter crashEntityBell/Boeing V-22 OspreyEntityX-1EntitySikorsky Aircraft CorporationEntityLockheed CorporationEntityattack helicopterEntityBell P-39 AiracobraEntityAGM-114 HellfireEntityBell 206EntityCategories1970s United States attack aircraft1970s United States helicoptersAircraft first flown in 1975Aircraft with fixed tricycle landing gearAttack helicoptersBell aircraftCancelled military aircraft projects of the United StatesSingle-rotor helicoptersT-tail aircraftTwin-turbine helicoptersUnited States military helicopters