N21NB
Built 2006 · registered US
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Performance specs
- Range
- 3,700 nm
- Cruise speed
- 434 kt
- Max speed
- 468 kt
- Service ceiling
- 51,000 ft
- Takeoff distance
- 1396 m
- Landing distance
- 1300 m
- MTOW
- 9,700 kg
- Empty weight
- 2,750 kg
- Fuel capacity
- 3,400 L
- Length
- 17.7 m
- Wingspan
- 14.6 m
- Height
- 4.3 m
- Seats
- 10
- Max passengers
- 10
Flight activity
(41 tracking legs recorded)- Last 30 days
- 7
- Last 90 days
- 27
- Last seen
- 7 Nov 2026
- Tracked since
- 13 Jun 2026
Frequent routes: KASG → KASG (12) · KASG → KFXE (1) · KASG → KJBR (1)
- KPHX → KASG28 Oct 2026 · 2h 02m
- KASG → KPHX27 Oct 2026 · 2h 28m
- KASG → KASG24 Oct 2026 · 8h 41m
- KASG → KASG10 Oct 2026 · 8h 54m
- KASG → KASG3 Oct 2026 · 8h 54m
- … → KASG27 Sept 2026 · 3h 09m
- … → KBFI26 Sept 2026 · 1h 34m
- KASG → KSLC25 Sept 2026 · 2h 23m
- KASG → KASG19 Sept 2026 · 8h 04m
- KASG → KASG17 Sept 2026 · 7h 40m
Showing the 10 most recent distinct flights. The total counts every raw ADS-B tracking leg, including repeat observations and sub-5-minute artifacts.
From ADS-B observations collected since May 2026. Coverage depends on ground-receiver density; gaps do not mean the aircraft did not fly.
Common. More common than 95% of the aircraft models we track.
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Registration history
(1)- N21NBUSACTIVENORTHBOUND AIR LLC2024 – present
Owner names are published by the issuing civil registry (FAA / CCARCS / CASA / ANAC / NZ CAA). Owner addresses present in the source are not republished here. Registered owner? Request removal
What aircraft model is N21NB?
N21NB is a Learjet 45, built in 2006. Sprinkle's record for N21NB covers its lineage, ownership history and specifications.
Is N21NB currently active?
Registry records list N21NB's status as Active, registered in United States — a Learjet 45.
What is the manufacturer serial number (MSN) of N21NB?
N21NB carries manufacturer serial number (MSN) 2045, the serial assigned to this Learjet 45 airframe when it was built.
What is the ICAO24 / Mode S code for N21NB?
N21NB's ICAO24 (Mode S) transponder code is A1B857 — the hex address the Mode S transponder on this Learjet 45 broadcasts.