Learjet In-Flight Simulators & Avionics Testbeds
Learjets
• Owned & Operated by Calspan
• Four Learjet In-Flight Simulators and Airborne Testbeds
• Three Model 25’s, One Model 24
• FAA-Registered as Experimental Research and Development
• Operates under FAA Limitations & Airworthiness Certificate.
• Modifications follow Calspan ISO-9001 & FAA procedures
• FAA Form 337 & Supporting Documents/Drawings
• Similar to USAF T-2 package
• FAA IA Approval
• Approved by Air Force/Navy, if they are a sponsor
• Flight Test Plans
• Approved by Customer & Calspan Chief Pilot & Management
• Approved by Air Force/Navy, if they are a sponsor
• Flight Test Facilities located in Niagara Falls, NY
Learjet Capabilities
• Instrumented Avionics Test
• In-Flight Simulation Four Degree-of-Freedom (LJ#2)
• Pitch, Roll, Yaw, Thrust
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Maximum airspeed:
325 KIAS/0.65 Mach
Angle of attack limits: -5° to +10°
Maximum load factors: 0.15g to +2.8g
Lateral acceleration limits:
±0.3g
Maximum sideslip limits:
±10°
Can go to actual touchdown on simulation system
Max Flight Duration: ~2.0 Hr
Crew Size (4): 1 Calspan Safety Pilot
1 Customer Evaluation Pilot/Observer
2 Flight Test Engrs (Calspan and/or Customer)
• Significant Electrical Power Available
Learjet Equipment
• Sensors:
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Air-data (α, β, V, Ps, Q-bar, H-dot, Temp)
Aircraft states (θ, ϕ, ψ, p, q, r, Nx, Ny, Nz)
Controls (pilot - position/force, surfaces, engine fuel control, engine ∆P)
GPS
INS (H-423 Ring Laser Gyro)
• 1553, RS-232, Ethernet Interfaces
• TCAS-II
• Data Recording:
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Matlab format
Flash memory card
Immediate post flight availability
Video recording
• Safety
• Manual Safety trips by either pilot
• Automatic
• Envelope limits
• Servo errors
• Computer Heartbeat
• Circuit breakers
• Single “Master Power” switch
Learjet Cut-Away
FLT TEST
ENGINEERS /OBSERVER
EVALUATION
PILOT / OBSERVER
SAFETY PILOT
Typical Learjet Installations
= Customer Equipment
Typical Learjet Installations
Typical Cabin Installations
Typical Learjet Rack and Laptop Assemblies
Electrical Power - DC
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DC Electrical Power
• 28v DC, is provided by two engine driven generators rated at
300 Amperes each.
• The load summary assumes nacelle and stab heat turned off.
Description
Total Capacity
28vdc Loads Summary
Current Configuration
Right
Generator
Bus Load
Left
Generator
Bus Load
300A
300A
Baseline Aircraft
system loads
194A
194A
VSS Baseline System
Loads
38A
19A
Total Available for
Projects
68A
87A
Electrical Power - AC
• AC Power
• 115vac, 60Hz power to electrical equipment is provided by two inverters
that receive 28vdc power from the right and left generator bus.
115vac, 60Hz Inverter Load Summary
Description
Total
Available
Inverter #1
800w
Inverter #2
750w
Flight Test Range near Niagara Falls, NY Airport
Restricted Area:
54 nm x 13 nm
Canadian Extension
30 Mi
MISTY MOA
Flight Testing can be performed in
the MISTY MOA and its Restricted
Area, or at customer’s remote
locations
CALSPAN
Contact
Paul Schifferle
Calspan Aerospace
Sr. Director of Engineering
[email protected]
(716) 236-1065
Calspan Aerospace
2041 Niagara Falls Blvd.
Niagara Falls, NY 14304