LJ55
GATES LEARJET Learjet 55
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
Manufactured as
LEARJET VU-55
LEARJET 55
GATES LEARJET 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 (metric)
13.30 m
Length (metric)
16.80 m
Height (metric)
4.50 m
Powerplant
2 x 16.46 kN Garrett TFE731-3A-2B turbofans.
Engine Model(s)
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
