4920-01-393-2448 Fixture, Engine Maintenance, Aircraft
4920-01-393-2928 Fixture, Aircraft Maintenance
4920-01-393-2952 Piston, Divider
4920-01-393-2955 Cutter, Fan Blade Leading Edge Contour
4920-01-393-3623 Test Set, Electronic Systems
4920-01-393-3624 Fixture, Machining, Aircraft Engine Maintenance
4920-01-393-3626 Fixture, Engine Maintenance, Aircraft
4920-01-393-3627 Fixture, Engine Maintenance, Aircraft
4920-01-393-3883 Reamer, Special
4920-01-393-4078 Fixture, Machining, Aircraft Engine Maintenance
4920-01-393-4079 Fixture, Engine Maintenance, Aircraft
4920-01-393-4080 Fixture, Engine Maintenance, Aircraft
4920-01-393-4081 Fixture, Engine Maintenance, Aircraft
4920-01-393-4082 Fixture, Engine Maintenance, Aircraft
4920-01-393-4083 Fixture, Engine Maintenance, Aircraft
4920-01-393-4084 Fixture, Engine Maintenance, Aircraft
4920-01-393-4085 Fixture, Machining, Aircraft Engine Maintenance
4920-01-393-4305 Test Set Subassembly, Aircraft Components
4920-01-393-4824 Fixture, Engine Maintenance, Aircraft
4920-01-393-4825 Fixture, Engine Maintenance, Aircraft
4920-01-393-4826 Fixture, Engine Maintenance, Aircraft
4920-01-393-5198 Aec Slit Width Cont
4920-01-393-5595 Test Program Set
4920-01-393-5596 Fixture, Engine Maintenance, Aircraft
4920-01-393-5597 Jaw Set, Sizing
4920-01-393-5599 Fixture, Engine Maintenance, Aircraft
4920-01-393-5600 Fixture, Engine Maintenance, Aircraft
4920-01-393-5829 Closure
4920-01-393-6158 Fixture, Machining, Aircraft Engine Maintenance
4920-01-393-6260 Actuator, Electro-mechanical, Rotary
4920-01-393-6510 Phase Noise Assembly
4920-01-393-6511 Sizing Tool, Seal
4920-01-393-6850 Interface, Maintenance Test System, Aircraft
4920-01-393-6921 Test Set Subassembly, Aircraft Components
4920-01-393-6923 Test Set Subassembly, Aircraft Components
4920-01-393-7672 Stand, Maintenance, Aircraft Engine Accessories
4920-01-393-8020 Fixture, Engine Maintenance, Aircraft
4920-01-393-8024 Stand, Maintenance, Aircraft Engine
4920-01-393-8628 Window, Filter
4920-01-393-8629 Adapter, Drive Pad
4920-01-393-8633 Test Program Set
4920-01-393-8634 Fixture, Engine Maintenance, Aircraft
4920-01-393-8635 Test Set, Flight Control System
4920-01-393-8636 Fixture, Engine Maintenance, Aircraft
4920-01-393-9309 Adapter, Test
4920-01-393-9310 Adapter, Test
4920-01-393-9311 Adapter, Test
4920-01-393-9312 Adapter, Test
4920-01-393-9313 Adapter, Test
4920-01-393-9314 Adapter, Test
4920-01-393-9315 Adapter, Test
4920-01-393-9316 Adapter, Test
4920-01-393-9318 Adapter, Test
4920-01-393-9332 Fixture, Engine Maintenance, Aircraft
4920-01-393-9333 Fixture, Engine Maintenance, Aircraft
4920-01-393-9334 Fixture, Engine Maintenance, Aircraft
4920-01-393-9335 Fixture, Machining, Aircraft Engine Maintenance
4920-01-393-9336 Fixture, Machining, Aircraft Engine Maintenance
4920-01-393-9337 Fixture, Engine Maintenance, Aircraft
4920-01-393-9338 Fixture, Engine Maintenance, Aircraft
4920-01-393-9339 Fixture, Engine Maintenance, Aircraft
4920-01-393-9340 Fixture, Machining, Aircraft Engine Maintenance
4920-01-393-9341 Fixture, Engine Maintenance, Aircraft
4920-01-394-0217 Test Set, Core And Fan Thrust Reverser Proximity Se
4920-01-394-0250 Fixture, Aircraft Maintenance
4920-01-394-0255 Module Assembly, Radio Frequency
4920-01-394-0373 Control Panel, Test
4920-01-394-0375 Fixture, Machining, Aircraft Engine Maintenance
4920-01-394-0983 Fixture, Aircraft Maintenance
4920-01-394-1264 Fixture, Engine Maintenance, Aircraft
4920-01-394-1266 Fixture, Machining, Aircraft Engine Maintenance
4920-01-394-1267 Fixture, Machining, Aircraft Engine Maintenance
4920-01-394-1268 Fixture, Engine Maintenance, Aircraft
4920-01-394-1270 Fixture, Aircraft Maintenance
4920-01-394-1857 Test Stand, Hydraulic System Components
4920-01-394-2010 Fixture, Engine Maintenance, Aircraft
4920-01-394-2011 Fixture, Engine Maintenance, Aircraft
4920-01-394-2012 Maintenance Kit, Aircraft
4920-01-394-2015 Fixture, Engine Maintenance, Aircraft
4920-01-394-2016 Fixture, Engine Maintenance, Aircraft
4920-01-394-2238 Interface, Maintenance Test System, Aircraft
4920-01-394-2239 Interface, Maintenance Test System, Aircraft
4920-01-394-2259 Test Program Set
4920-01-394-2495 Adapter, Test
4920-01-394-2496 Adapter, Test
4920-01-394-2497 Adapter, Test
4920-01-394-2498 Adapter, Test
4920-01-394-2499 Adapter, Test
4920-01-394-2501 Adapter, Test
4920-01-394-2509 Test Set Subassembly, Aircraft Components
4920-01-394-2510 Fixture, Engine Maintenance, Aircraft
4920-01-394-2512 Fixture, Engine Maintenance, Aircraft
4920-01-394-2595 Fixture, Engine Maintenance, Aircraft
4920-01-394-2596 Fixture, Engine Maintenance, Aircraft
4920-01-394-2645 Fixture, Engine Maintenance, Aircraft
4920-01-394-3430 Fixture, Machining, Aircraft Engine Maintenance
4920-01-394-3790 Accessory Set, Interface, Maintenance Test System, Ai
4920-01-394-3892 Rod, Push-hp
4920-01-394-3893 Valve, Relief Operator
4920-01-394-3909 Fixture, Staking
4920-01-394-3953 Kit, Alignment Verification
4920-01-394-4120 Holder, Maintenance Fixture, Multiposition
4920-01-394-4328 Test Set, Indicator
4920-01-394-5212 Fixture, Engine Maintenance, Aircraft
4920-01-394-5214 Fixture, Engine Maintenance, Aircraft
4920-01-394-5215 Fixture, Engine Maintenance, Aircraft
4920-01-394-5222 Fixture, Engine Maintenance, Aircraft
4920-01-394-5307 Fixture, Engine Maintenance, Aircraft
4920-01-394-5429 Closure Assembly, Test Kit
4920-01-394-5434 Mask, Waterjet
4920-01-394-5435 Mask, Waterjet
4920-01-394-5436 Mask, Waterjet
4920-01-394-5437 Mask, Waterjet
4920-01-394-5438 Adapter, Bearing Support
4920-01-394-5439 Holder, Shotpeen
4920-01-394-5440 Adapter, Calibration Weight
4920-01-394-5441 Mask, Waterjet
4920-01-394-5442 Mask, Waterjet
4920-01-394-5443 Holder, Plasma Test
4920-01-394-5453 Washer Set, Hold Down-hpt
4920-01-394-5454 Fixture, Engine Maintenance, Aircraft
4920-01-394-5455 Base-gearbox
4920-01-394-5456 Ring, Support Disk
4920-01-394-5457 Ring, Support, Disk And Blade
4920-01-394-5459 Bar, Holding, Tie Bolt
4920-01-394-5460 Ring, Support, Disk And Blade
4920-01-394-5471 Power Distribution-reference Signal Group
4920-01-394-5473 Test Set, Indicator
4920-01-394-5475 Test Set, Fire Control System
4920-01-394-5659 Tester, Cargo Winch
4920-01-394-5919 Fixture, Engine Maintenance, Aircraft
4920-01-394-5921 Fixture, Engine Maintenance, Aircraft
4920-01-394-5922 Fixture, Engine Maintenance, Aircraft
4920-01-394-5923 Fixture, Engine Maintenance, Aircraft
4920-01-394-6150 Maintenance Kit, Aircraft
4920-01-394-6697 Adapter, Test
4920-01-394-7084 Fixture, Engine Maintenance, Aircraft
4920-01-394-7085 Test Set, Electronic Systems
4920-01-394-7580 Actuator, Electro-mechanical, Rotary
4920-01-394-7585 Test Set, Stores Management Subsystem
4920-01-394-7678 Holder, Test Strip
4920-01-394-7679 Mask, Drum Rotor Disk
4920-01-394-7680 Turbine Disk Bolt Set
4920-01-394-7681 Holder, Test Strip
4920-01-394-7682 Mask, Plasma Spray
4920-01-394-7683 Ring, Support Disk
4920-01-394-7684 Plate, Support
4920-01-394-7686 Ring, Supporting Disk
4920-01-394-7768 Test Set, Control
4920-01-394-7772 Fixture, Machining, Aircraft Engine Maintenance
4920-01-394-7773 Test Station, Electrical-electronic Equipment
4920-01-394-8598 Fixture, Engine Maintenance, Aircraft
4920-01-394-8601 Fixture, Engine Maintenance, Aircraft
4920-01-394-8808 Filler And Bleeder, Hydraulic System
4920-01-394-8846 Template, Control Rigging, Aircraft
4920-01-394-9211 Fixture, Aircraft Maintenance
4920-01-394-9236 Interface, Maintenance Test System, Aircraft
4920-01-394-9237 Interface, Maintenance Test System, Aircraft
4920-01-394-9238 Accessory Set, Interface, Maintenance Test System, Ai
4920-01-394-9239 Accessory Set, Interface, Maintenance Test System, Ai
4920-01-394-9242 Interface, Maintenance Test System, Aircraft
4920-01-394-9245 Accessory Set, Interface, Maintenance Test System, Ai
4920-01-394-9248 Interface, Maintenance Test System, Aircraft
4920-01-394-9266 Test Set Subassembly, Aircraft Components
4920-01-394-9900 Fixture, Engine Maintenance, Aircraft
4920-01-394-9902 Fixture, Machining, Aircraft Engine Maintenance
4920-01-395-0604 Fixture, Engine Maintenance, Aircraft
4920-01-395-0623 Fixture, Engine Maintenance, Aircraft
4920-01-395-0638 Fixture, Engine Maintenance, Aircraft
4920-01-395-1853 Case, Test Set
4920-01-395-1960 Tester, Pitot And Static Systems
4920-01-395-2007 Fixture, Aircraft Maintenance
4920-01-395-2189 Card Guide, Left
4920-01-395-2213 Kit, Vibration
4920-01-395-2214 Hmu Continuity Test
4920-01-395-2216 Tester, Light Low Oi
4920-01-395-2746 Coupler, Test Set
4920-01-395-3514 Fixture, Aircraft Maintenance
4920-01-395-3526 Adapter, Test
4920-01-395-3849 Fixture, Aircraft Maintenance
4920-01-395-3850 Fixture, Aircraft Maintenance
4920-01-395-3852 Fixture, Aircraft Maintenance
4920-01-395-3853 Fixture, Aircraft Maintenance
4920-01-395-3856 Fixture, Aircraft Maintenance
4920-01-395-3969 Case, Test Set
4920-01-395-4065 Test Station, Electrical-electronic Equipment
4920-01-395-4067 Test Stand, Electric And Hydraulic System Component
4920-01-395-4574 Cap, Holder, Maintenance
4920-01-395-4828 Interface, Maintenance Test System, Aircraft
4920-01-395-4868 Fixture, Engine Maintenance, Aircraft
4920-01-395-4872 Mask, Plasma Spray
4920-01-395-4874 Mask, Plasma Spray
4920-01-395-4883 Fixture, Engine Maintenance, Aircraft
4920-01-395-5200 Repair Kit, Aircraft, Maintenance
4920-01-395-5208 Maintenance Kit, Aircraft
4920-01-395-6204 Adapter, Test
4920-01-395-6214 Fixture, Aircraft Maintenance
4920-01-395-6229 Accessory Set, Interface, Maintenance Test System, Ai
4920-01-395-6230 Interface, Maintenance Test System, Aircraft
4920-01-393-2928 Fixture, Aircraft Maintenance
4920-01-393-2952 Piston, Divider
4920-01-393-2955 Cutter, Fan Blade Leading Edge Contour
4920-01-393-3623 Test Set, Electronic Systems
4920-01-393-3624 Fixture, Machining, Aircraft Engine Maintenance
4920-01-393-3626 Fixture, Engine Maintenance, Aircraft
4920-01-393-3627 Fixture, Engine Maintenance, Aircraft
4920-01-393-3883 Reamer, Special
4920-01-393-4078 Fixture, Machining, Aircraft Engine Maintenance
4920-01-393-4079 Fixture, Engine Maintenance, Aircraft
4920-01-393-4080 Fixture, Engine Maintenance, Aircraft
4920-01-393-4081 Fixture, Engine Maintenance, Aircraft
4920-01-393-4082 Fixture, Engine Maintenance, Aircraft
4920-01-393-4083 Fixture, Engine Maintenance, Aircraft
4920-01-393-4084 Fixture, Engine Maintenance, Aircraft
4920-01-393-4085 Fixture, Machining, Aircraft Engine Maintenance
4920-01-393-4305 Test Set Subassembly, Aircraft Components
4920-01-393-4824 Fixture, Engine Maintenance, Aircraft
4920-01-393-4825 Fixture, Engine Maintenance, Aircraft
4920-01-393-4826 Fixture, Engine Maintenance, Aircraft
4920-01-393-5198 Aec Slit Width Cont
4920-01-393-5595 Test Program Set
4920-01-393-5596 Fixture, Engine Maintenance, Aircraft
4920-01-393-5597 Jaw Set, Sizing
4920-01-393-5599 Fixture, Engine Maintenance, Aircraft
4920-01-393-5600 Fixture, Engine Maintenance, Aircraft
4920-01-393-5829 Closure
4920-01-393-6158 Fixture, Machining, Aircraft Engine Maintenance
4920-01-393-6260 Actuator, Electro-mechanical, Rotary
4920-01-393-6510 Phase Noise Assembly
4920-01-393-6511 Sizing Tool, Seal
4920-01-393-6850 Interface, Maintenance Test System, Aircraft
4920-01-393-6921 Test Set Subassembly, Aircraft Components
4920-01-393-6923 Test Set Subassembly, Aircraft Components
4920-01-393-7672 Stand, Maintenance, Aircraft Engine Accessories
4920-01-393-8020 Fixture, Engine Maintenance, Aircraft
4920-01-393-8024 Stand, Maintenance, Aircraft Engine
4920-01-393-8628 Window, Filter
4920-01-393-8629 Adapter, Drive Pad
4920-01-393-8633 Test Program Set
4920-01-393-8634 Fixture, Engine Maintenance, Aircraft
4920-01-393-8635 Test Set, Flight Control System
4920-01-393-8636 Fixture, Engine Maintenance, Aircraft
4920-01-393-9309 Adapter, Test
4920-01-393-9310 Adapter, Test
4920-01-393-9311 Adapter, Test
4920-01-393-9312 Adapter, Test
4920-01-393-9313 Adapter, Test
4920-01-393-9314 Adapter, Test
4920-01-393-9315 Adapter, Test
4920-01-393-9316 Adapter, Test
4920-01-393-9318 Adapter, Test
4920-01-393-9332 Fixture, Engine Maintenance, Aircraft
4920-01-393-9333 Fixture, Engine Maintenance, Aircraft
4920-01-393-9334 Fixture, Engine Maintenance, Aircraft
4920-01-393-9335 Fixture, Machining, Aircraft Engine Maintenance
4920-01-393-9336 Fixture, Machining, Aircraft Engine Maintenance
4920-01-393-9337 Fixture, Engine Maintenance, Aircraft
4920-01-393-9338 Fixture, Engine Maintenance, Aircraft
4920-01-393-9339 Fixture, Engine Maintenance, Aircraft
4920-01-393-9340 Fixture, Machining, Aircraft Engine Maintenance
4920-01-393-9341 Fixture, Engine Maintenance, Aircraft
4920-01-394-0217 Test Set, Core And Fan Thrust Reverser Proximity Se
4920-01-394-0250 Fixture, Aircraft Maintenance
4920-01-394-0255 Module Assembly, Radio Frequency
4920-01-394-0373 Control Panel, Test
4920-01-394-0375 Fixture, Machining, Aircraft Engine Maintenance
4920-01-394-0983 Fixture, Aircraft Maintenance
4920-01-394-1264 Fixture, Engine Maintenance, Aircraft
4920-01-394-1266 Fixture, Machining, Aircraft Engine Maintenance
4920-01-394-1267 Fixture, Machining, Aircraft Engine Maintenance
4920-01-394-1268 Fixture, Engine Maintenance, Aircraft
4920-01-394-1270 Fixture, Aircraft Maintenance
4920-01-394-1857 Test Stand, Hydraulic System Components
4920-01-394-2010 Fixture, Engine Maintenance, Aircraft
4920-01-394-2011 Fixture, Engine Maintenance, Aircraft
4920-01-394-2012 Maintenance Kit, Aircraft
4920-01-394-2015 Fixture, Engine Maintenance, Aircraft
4920-01-394-2016 Fixture, Engine Maintenance, Aircraft
4920-01-394-2238 Interface, Maintenance Test System, Aircraft
4920-01-394-2239 Interface, Maintenance Test System, Aircraft
4920-01-394-2259 Test Program Set
4920-01-394-2495 Adapter, Test
4920-01-394-2496 Adapter, Test
4920-01-394-2497 Adapter, Test
4920-01-394-2498 Adapter, Test
4920-01-394-2499 Adapter, Test
4920-01-394-2501 Adapter, Test
4920-01-394-2509 Test Set Subassembly, Aircraft Components
4920-01-394-2510 Fixture, Engine Maintenance, Aircraft
4920-01-394-2512 Fixture, Engine Maintenance, Aircraft
4920-01-394-2595 Fixture, Engine Maintenance, Aircraft
4920-01-394-2596 Fixture, Engine Maintenance, Aircraft
4920-01-394-2645 Fixture, Engine Maintenance, Aircraft
4920-01-394-3430 Fixture, Machining, Aircraft Engine Maintenance
4920-01-394-3790 Accessory Set, Interface, Maintenance Test System, Ai
4920-01-394-3892 Rod, Push-hp
4920-01-394-3893 Valve, Relief Operator
4920-01-394-3909 Fixture, Staking
4920-01-394-3953 Kit, Alignment Verification
4920-01-394-4120 Holder, Maintenance Fixture, Multiposition
4920-01-394-4328 Test Set, Indicator
4920-01-394-5212 Fixture, Engine Maintenance, Aircraft
4920-01-394-5214 Fixture, Engine Maintenance, Aircraft
4920-01-394-5215 Fixture, Engine Maintenance, Aircraft
4920-01-394-5222 Fixture, Engine Maintenance, Aircraft
4920-01-394-5307 Fixture, Engine Maintenance, Aircraft
4920-01-394-5429 Closure Assembly, Test Kit
4920-01-394-5434 Mask, Waterjet
4920-01-394-5435 Mask, Waterjet
4920-01-394-5436 Mask, Waterjet
4920-01-394-5437 Mask, Waterjet
4920-01-394-5438 Adapter, Bearing Support
4920-01-394-5439 Holder, Shotpeen
4920-01-394-5440 Adapter, Calibration Weight
4920-01-394-5441 Mask, Waterjet
4920-01-394-5442 Mask, Waterjet
4920-01-394-5443 Holder, Plasma Test
4920-01-394-5453 Washer Set, Hold Down-hpt
4920-01-394-5454 Fixture, Engine Maintenance, Aircraft
4920-01-394-5455 Base-gearbox
4920-01-394-5456 Ring, Support Disk
4920-01-394-5457 Ring, Support, Disk And Blade
4920-01-394-5459 Bar, Holding, Tie Bolt
4920-01-394-5460 Ring, Support, Disk And Blade
4920-01-394-5471 Power Distribution-reference Signal Group
4920-01-394-5473 Test Set, Indicator
4920-01-394-5475 Test Set, Fire Control System
4920-01-394-5659 Tester, Cargo Winch
4920-01-394-5919 Fixture, Engine Maintenance, Aircraft
4920-01-394-5921 Fixture, Engine Maintenance, Aircraft
4920-01-394-5922 Fixture, Engine Maintenance, Aircraft
4920-01-394-5923 Fixture, Engine Maintenance, Aircraft
4920-01-394-6150 Maintenance Kit, Aircraft
4920-01-394-6697 Adapter, Test
4920-01-394-7084 Fixture, Engine Maintenance, Aircraft
4920-01-394-7085 Test Set, Electronic Systems
4920-01-394-7580 Actuator, Electro-mechanical, Rotary
4920-01-394-7585 Test Set, Stores Management Subsystem
4920-01-394-7678 Holder, Test Strip
4920-01-394-7679 Mask, Drum Rotor Disk
4920-01-394-7680 Turbine Disk Bolt Set
4920-01-394-7681 Holder, Test Strip
4920-01-394-7682 Mask, Plasma Spray
4920-01-394-7683 Ring, Support Disk
4920-01-394-7684 Plate, Support
4920-01-394-7686 Ring, Supporting Disk
4920-01-394-7768 Test Set, Control
4920-01-394-7772 Fixture, Machining, Aircraft Engine Maintenance
4920-01-394-7773 Test Station, Electrical-electronic Equipment
4920-01-394-8598 Fixture, Engine Maintenance, Aircraft
4920-01-394-8601 Fixture, Engine Maintenance, Aircraft
4920-01-394-8808 Filler And Bleeder, Hydraulic System
4920-01-394-8846 Template, Control Rigging, Aircraft
4920-01-394-9211 Fixture, Aircraft Maintenance
4920-01-394-9236 Interface, Maintenance Test System, Aircraft
4920-01-394-9237 Interface, Maintenance Test System, Aircraft
4920-01-394-9238 Accessory Set, Interface, Maintenance Test System, Ai
4920-01-394-9239 Accessory Set, Interface, Maintenance Test System, Ai
4920-01-394-9242 Interface, Maintenance Test System, Aircraft
4920-01-394-9245 Accessory Set, Interface, Maintenance Test System, Ai
4920-01-394-9248 Interface, Maintenance Test System, Aircraft
4920-01-394-9266 Test Set Subassembly, Aircraft Components
4920-01-394-9900 Fixture, Engine Maintenance, Aircraft
4920-01-394-9902 Fixture, Machining, Aircraft Engine Maintenance
4920-01-395-0604 Fixture, Engine Maintenance, Aircraft
4920-01-395-0623 Fixture, Engine Maintenance, Aircraft
4920-01-395-0638 Fixture, Engine Maintenance, Aircraft
4920-01-395-1853 Case, Test Set
4920-01-395-1960 Tester, Pitot And Static Systems
4920-01-395-2007 Fixture, Aircraft Maintenance
4920-01-395-2189 Card Guide, Left
4920-01-395-2213 Kit, Vibration
4920-01-395-2214 Hmu Continuity Test
4920-01-395-2216 Tester, Light Low Oi
4920-01-395-2746 Coupler, Test Set
4920-01-395-3514 Fixture, Aircraft Maintenance
4920-01-395-3526 Adapter, Test
4920-01-395-3849 Fixture, Aircraft Maintenance
4920-01-395-3850 Fixture, Aircraft Maintenance
4920-01-395-3852 Fixture, Aircraft Maintenance
4920-01-395-3853 Fixture, Aircraft Maintenance
4920-01-395-3856 Fixture, Aircraft Maintenance
4920-01-395-3969 Case, Test Set
4920-01-395-4065 Test Station, Electrical-electronic Equipment
4920-01-395-4067 Test Stand, Electric And Hydraulic System Component
4920-01-395-4574 Cap, Holder, Maintenance
4920-01-395-4828 Interface, Maintenance Test System, Aircraft
4920-01-395-4868 Fixture, Engine Maintenance, Aircraft
4920-01-395-4872 Mask, Plasma Spray
4920-01-395-4874 Mask, Plasma Spray
4920-01-395-4883 Fixture, Engine Maintenance, Aircraft
4920-01-395-5200 Repair Kit, Aircraft, Maintenance
4920-01-395-5208 Maintenance Kit, Aircraft
4920-01-395-6204 Adapter, Test
4920-01-395-6214 Fixture, Aircraft Maintenance
4920-01-395-6229 Accessory Set, Interface, Maintenance Test System, Ai
4920-01-395-6230 Interface, Maintenance Test System, Aircraft