Learjet Bombardier Learjet 31 (LJ31)
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ICAO LJ31 Small+

Learjet Bombardier Learjet 31

Twin Jet· 133 globally registered

The LEARJET Bombardier Learjet 31 (LJ31) is a LEARJET 2-engine jet aircraft classified as medium wake category. Typical approach speed (Vref) is around 120 knots; operating envelope 7,030 kg MTOW. SkyMeter has observed 789 flights operated by this type across 84 airframes and 62 carriers. The largest observed operator is THUNDERUN AVIATION CORP (N17).

✈
ACTIVE AIRFRAMES
84
last 90 days
🏢
OPERATORS
62
unique airlines
📊
FLIGHTS
789
tracked
⏱
AVG DURATION
1h 15m
per flight
⚠
INCIDENT RATE
26.1%
206 flagged

Performance

Speed envelope & approach

Vref
120 kt
Vref range
—
Vmo
—
Mmo
—
Approach category
B

Dimensions

Airframe geometry

Wingspan
44 ft
Length
49 ft
Tail height
12 ft
Wheelbase
20 ft
Gear width
10 ft
Wake category
Medium

Weight & identification

Operating limits

MTOW
15,500 lb
MALW
15,300 lb
Manufacturer model
Bombardier Learjet 31
FAA designator
LJ31
Registered
133

Top operators

By fleet size · last 90 days

30
THUNDERUN AVIATION CORP 4 aircraft
92 flights
SPEED AVIATION HOLDINGS LLC 2 aircraft
74 flights
HORIZON AVIATION LLC 1 aircraft
43 flights
WORLDWIDE AIRCRAFT SERVICES INC 1 aircraft
35 flights
THUNDERFORCE INVESTMENTS LLC 1 aircraft
30 flights
LJRSW LLC 1 aircraft
25 flights
Helijet International Inc 1 aircraft
24 flights
DELTA NOVEMBER LLC 1 aircraft
23 flights
GO FAST AVIATION LLC 1 aircraft
22 flights
ACCESS AVIATION LLC 1 aircraft
20 flights
BAY VENTURE MANAGEMENT LLC 1 aircraft
18 flights
TVPX AIRCRAFT SOLUTIONS INC TRUSTEE 2 aircraft
15 flights
M K ROCKWELL INVESTMENTS LLC 1 aircraft
15 flights
RHEEM AVIATION LLC 1 aircraft
15 flights
RSB INVESTMENTS LLC 1 aircraft
14 flights
N322PR LLC 1 aircraft
13 flights
N633PJ LLC 1 aircraft
13 flights
LAS EXPRESS AVIATION LLC 1 aircraft
12 flights
PHI HEALTH LLC 1 aircraft
12 flights
N500MP LLC 1 aircraft
12 flights
HIGH PERFORMANCE AIRCRAFT LLC 1 aircraft
12 flights
SMI AIR LLC 2 aircraft
11 flights
N331US LLC 1 aircraft
9 flights
TRIGGER AIR LLC 1 aircraft
9 flights
RAINIER JETS LLC 1 aircraft
9 flights
CHUCK INVESTMENTS LLC 1 aircraft
9 flights
QUATTRO NAVARRO FARMS LLC 1 aircraft
8 flights
PDII LLC 1 aircraft
7 flights
SOUTH 5 PROPERTIES LLC 1 aircraft
7 flights
STERLING AIRCRAFT LLC 1 aircraft
6 flights

Safety profile

Flagged flights · last 90 days

Go-arounds
1
Unstable
205
Rejected TO
0
Stall
0
Overspeed
0
Excursion
0

Family

Related variants

1
LJ35
Bombardier Learjet 35/36

Recent incidents

Flagged flights of LJ31

20
N633PJN633PJ
???
23:09
 →
KDFW
23:52
06/03/2026
42m
△ Unstable
Replay Analysis
N31LJN31LJ
KBNA
20:53
 →
KTTA
22:06
06/03/2026
1h 12m
△ Unstable
Replay Analysis
N38MGN38MG
KFLL
19:38
 →
KPDK
21:11
06/03/2026
1h 32m
△ Unstable
Replay Analysis
N1932KN1932K
KPWK
18:45
 →
K1R8
20:26
06/03/2026
1h 41m
△ Unstable
Replay Analysis
N36BLN36BL
KLZU
17:34
 →
KPDK
18:15
06/03/2026
41m
△ Unstable
Replay Analysis
NoneC-GHJU
CA-0724
14:10
 →
CYVR
15:55
06/03/2026
1h 44m
△ Unstable
Replay Analysis
N633PJN633PJ
KPWA
12:57
 →
KADS
14:22
06/03/2026
1h 24m
△ Unstable
Replay Analysis
N48VPN48VP
5OI8
12:29
 →
KIIB
16:55
06/03/2026
4h 25m
△ Unstable
Replay Analysis
N31LJN31LJ
???
11:47
 →
KTTA
12:17
06/03/2026
29m
△ Unstable
Replay Analysis
N312TLN312TL
KDVT
22:18
 →
KHII
22:48
06/02/2026
30m
△ Unstable
Replay Analysis

Recent flights

Real flights of LJ31 · airborne ≥ 20 min

30
N633PJN633PJ
???
23:09
 →
KDFW
23:52
06/03/2026
42m
△ Unstable
Replay Analysis
N31LJN31LJ
KTTA
22:48
 →
???
23:24
06/03/2026
35m
No alerts
Replay Analysis
N48VPN48VP
K9V9
21:46
 →
5V8
22:44
06/03/2026
57m
No alerts
Replay Analysis
N931EDN931ED
KOLM
21:14
 →
KHND
23:57
06/03/2026
2h 43m
No alerts
Replay Analysis
N31LJN31LJ
KBNA
20:53
 →
KTTA
22:06
06/03/2026
1h 12m
△ Unstable
Replay Analysis
XBABDXB-ABD
???
20:44
 →
???
21:36
06/03/2026
51m
No alerts
Replay Analysis
N218NBN218NB
KLNK
20:26
 →
???
22:27
06/03/2026
2h 0m
No alerts
Replay Analysis
NoneC-GHJU
CYVR
20:06
 →
CYVR
21:49
06/03/2026
1h 43m
No alerts
Replay Analysis
N38MGN38MG
KFLL
19:38
 →
KPDK
21:11
06/03/2026
1h 32m
△ Unstable
Replay Analysis
N1932KN1932K
KPWK
18:45
 →
K1R8
20:26
06/03/2026
1h 41m
△ Unstable
Replay Analysis
N48VPN48VP
KIIB
17:53
 →
???
21:01
06/03/2026
3h 7m
No alerts
Replay Analysis
N36BLN36BL
KLZU
17:34
 →
KPDK
18:15
06/03/2026
41m
△ Unstable
Replay Analysis
N744NN744N
KRIC
16:51
 →
KBUF
17:54
06/03/2026
1h 2m
No alerts
Replay Analysis
LN30LJN30LJ
KTPA
15:31
 →
???
16:05
06/03/2026
33m
No alerts
Replay Analysis
N1932KN1932K
KMLB
15:17
 →
KPWK
18:04
06/03/2026
2h 46m
No alerts
Replay Analysis
N2FUN2FU
KRBD
14:26
 →
???
17:58
06/03/2026
3h 31m
No alerts
Replay Analysis
NoneC-GHJU
CA-0724
14:10
 →
CYVR
15:55
06/03/2026
1h 44m
△ Unstable
Replay Analysis
N31LJN31LJ
KTTA
13:55
 →
KBNA
15:00
06/03/2026
1h 5m
No alerts
Replay Analysis
N744NN744N
KBUF
13:32
 →
KRIC
14:28
06/03/2026
56m
No alerts
Replay Analysis
N322PRN322PR
KFXE
13:20
 →
KFXE
19:40
06/03/2026
6h 19m
No alerts
Replay Analysis
N1932KN1932K
K1R8
13:08
 →
KMLB
14:18
06/03/2026
1h 10m
No alerts
Replay Analysis
N633PJN633PJ
KPWA
12:57
 →
KADS
14:22
06/03/2026
1h 24m
△ Unstable
Replay Analysis
N989CGN989CG
KLNN
12:35
 →
KPHL
13:34
06/03/2026
59m
No alerts
Replay Analysis
N48VPN48VP
5OI8
12:29
 →
KIIB
16:55
06/03/2026
4h 25m
△ Unstable
Replay Analysis
N31LJN31LJ
???
11:47
 →
KTTA
12:17
06/03/2026
29m
△ Unstable
Replay Analysis
NonePS-MAV
SBGR
11:17
 →
???
12:04
06/03/2026
46m
No alerts
Replay Analysis
YUBRZYU-BRZ
LTBA
08:52
 →
???
10:18
06/03/2026
1h 25m
No alerts
Replay Analysis
YUBRZYU-BRZ
???
06:38
 →
LTBA
07:54
06/03/2026
1h 16m
No alerts
Replay Analysis
N412SWN412SW
KBWI
04:59
 →
KAFJ
05:32
06/03/2026
32m
No alerts
Replay Analysis
N412SWN412SW
KGRR
02:47
 →
KAGC
04:28
06/03/2026
1h 40m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracking window: 90 days