Public Record · As of May 5, 2026
N21NB
Learjet 45 · 2006 View Type →
Status
Registration Valid
Type
Fixed Wing Multi Engine
Engine
HONEYWELL TFE731-20AR
Last Cert Issue
—
01 / Registration
Filed with the Federal Aviation Administration
Every cell below is a literal field from the FAA Aircraft Registry. Click any value to open the FAA registry record for N21NB.
Tail Number
N21NB
Serial Number
2045
Make
LEARJET INC
Model
45
Year of Manufacture
2006
Mfr / Model Code
5170805
Type Aircraft
Fixed Wing Multi Engine
Type Engine
Turbo-fan
Engines
2
Seats
12
Engine Manufacturer
HONEYWELL
Engine Model
TFE731-20AR
Horsepower
—
Weight Class
CLASS 3
Certification
Standard (+1 flag) · code 1T
Registrant
NORTHBOUND AIR LLC · LLC
Address
1200 E JOYCE BLVD FL 1 · FAYETTEVILLE, AR 72703-5189
FAA Region
2 · County 143
Status
Registration Valid
Airworthiness Date
—
Cert Issue Date
—
Expiration Date
—
Last FAA Action
—
Mode S Hex (ICAO24)
A1B857
Mode S (Octal)
50334127
Live position via ICAO24 A1B857
External services. Live tracks are unaffiliated with TallyAero or the FAA.
02 / NTSB Records
Events on file with the National Transportation Safety Board
-
Feb 27, 1998
FORT WORTH, Texas minor
Airport · FTW FORT WORTH MEACHAM INTL.
03 / Airworthiness Directives
Applicable to LEARJET INC 45
Federal Aviation Administration airworthiness directives matched to make and model. Each entry links to the Federal Register publication.
No matching airworthiness directives are on file for this make and model in the Federal Register.
04 / Service Difficulty Reports
FAA SDR filings
The FAA does not currently expose a public API for Service Difficulty Reports. We do not back-fill or paraphrase. Search the FAA SDR portal directly →
05 / Related
More on Learjet 45 in the Atlas
Learjet 45 type page → — 444 registered · 48 ADs · 29 NTSB records
Recent NTSB events · this type
-
Nov 29, 2022
Batesville, Arkansas Minor
Atlas event → -
Aug 20, 2018
Burlington, Vermont None
Atlas event → -
Aug 26, 2016
Iron Station, North Carolina Minor
Atlas event → -
Jul 12, 2015
Escalante, Utah Serious
Atlas event → -
Oct 12, 2014
Granville, Massachusetts None
Atlas event →
Search the full US registry → · All airworthiness directives → · Accident & safety surface →
06 / Sources & Methodology
Every fact on this page links to its primary US-government source
- FAA Aircraft Registry →
Refreshed May 5, 2026
Available
- NTSB CAROL →
Refreshed May 5, 2026
Available
- Federal Register (FAA Airworthiness Directives) →
Refreshed May 5, 2026
Available
- FAA Service Difficulty Reports →
Refreshed May 5, 2026
Unavailable
We render only what the agency publishes. Found a factual error? Report it → We acknowledge within 5 business days and resolve within 14.