GATES LEARJET Learjet 55

Aircraft
Name: 
Learjet 55
Manufacturer: 
Body: 
Narrow
Wing: 
Fixed Wing
Position: 
Low wing (winglets)
Tail: 
T-tail
WTC
M
APC
C
Type Code: 
L2J
Aerodrome Reference Code: 
3A
Engine: 
Jet
Engine Count: 
Multi
Position: 
Both sides of rear fuselage
Landing gear: 
Tricycle retractable
Manufacturered as
GATES LEARJET 55
LEARJET 55
LEARJET VU-55

LJ55

Mid-size corporate jet. In service since 1981. New fuselage development of Learjet 28/29 Longhorn. A number of variants were produced:

  • Learjet 55B with modified wings and digital flightdeck,
  • Learjet 55C with delta fins and
  • 55ER for extended range.

Production ceased in 1990 and changed to improved Learjet 60 in 1993. 147 aircraft were built, in 1999 140 remain in service mainly in Europe and North America.

Technical Data
Wing span: 
13.30 m
Length: 
16.80 m
Height: 
4.50 m
Powerplant: 

2 x 16.46 kN Garrett TFE731-3A-2B turbofans.

Engine Model: 
Garrett TFE731
Indicative Performance Data
Take-Off
V2: 
140 kts
Distance: 
1400 m
MTOW: 
9530 kg
Initial Climb (to 5000 ft)
IAS: 
170 kts
ROC: 
4000 ft/min
Initial Climb (to FL150)
IAS: 
290 kts
ROC: 
3000
Initial Climb (to FL240)
IAS: 
290 kts
ROC: 
2500 ft/min
MACH Climb
MACH: 
0.72
ROC: 
1500 ft/min
Cruise
TAS: 
400 kts
MACH: 
0.76
Ceiling: 
510
Range: 
2500 NM
Initial Descent (to FL240)
MACH: 
0.72
ROD: 
1000 ft/min
Descent (to FL100)
IAS: 
290 kts
ROD: 
4000 ft/min
Descent (FL100 & below)
IAS: 
n/a
MCS: 
180 kts
ROD: 
n/a
Approach
Vapp (IAS): 
140 kts
Distance: 
1000 m

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