Gates Learjet 55 Performance Specs

Aircraft Performance

Weights (lb) Learjet 55, LR-55
Max Ramp 21,750
Max Takeoff 21,500
Max Landing 18,000
Zero Fuel 15,000c
BOW 12,893
Max Payload 2,107
Useful Load 8,857
Executive Payload 1,400
Max Fuel 6,707
Avail Payload Max Fuel 2,107
Avail Fuel Max Payload 6,707
Avail Fuel Exec Payload 6,707
Limits Learjet 55, LR-55
MMO 0.810
Transition Altitude FL/VMO N/A
Cabin Pressurization (PSI) 9.4
Airport Performance Learjet 55, LR-55
TO (Sea Level, ISA Temp) 5,600
TO (5000′, @25C) 9,400
Hot/High WAT N/A
NBAA IFR Ranges
V2 @ SL ISA, MTOW
2,007
142
VREF 125
Landing Distance with 4 Passengers 2,800
Climb Learjet 55, LR-55
Time to Climb/Alt N/A
Engine Out Rate fpm 1,000
FAR 25 Engine-Out Grad (ft/nm) 371
Ceilings (ft) Learjet 55, LR-55
Certificated 51,000
All Eng Srv 41,000
Eng Out Service 24,640
Sea Level Cabin 25,700
Long Range Cruise Learjet 55, LR-55
KTAS 419
Fuel Flow 1,030
Altitude FL 430
Specific Range 0.407
High Speed Cruise Learjet 55, LR-55
KTAS 458
Fuel Flow 1,362
Altitude FL 410
Specific Range 0.336
Data based on latest manufactured year