N451SJ - 2001 Learjet INC 45 Aircraft Registration

LJ45

2001 LEARJET INC 45

Aircraft Description

N451SJ is a 2001 Learjet INC 45, a twin-engine turbo-fan aircraft registered to Southern Cross Aircraft LLC in Fort Lauderdale, FL. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on May 4, 2023. The registration certificate was issued on October 17, 2022. The registration is set to expire on October 31, 2029. Powered by a Honeywell TFE-731-SER engine producing 4000 pounds of thrust, N451SJ is. The aircraft's Mode S transponder code is A5776C (hex), used for ADS-B identification and flight tracking. N451SJ was last tracked by AviatorDB at coordinates 26.1973, -80.1707 on July 30, 2025. The FAA registry record for N451SJ was last updated on September 9, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Learjet, now part of Bombardier Aviation, produced lightweight, fast business jets that became synonymous with private aviation. From the original Lear 23 to the Learjet 75 Liberty, the brand symbolizes speed and luxury in business aviation. AviatorDB tracks 858 Learjet INC aircraft currently registered in the FAA database, including the 45 model.

AviatorDB has found no NTSB accident or incident reports involving N451SJ. AviatorDB cross-references all FAA registration data with NTSB accident and incident reports, providing a comprehensive safety overview for every registered aircraft in the United States.

Model Year
2001
Manufacturer
LEARJET INC
Model
45
Type Aircraft
Fixed Wing Multi Engine
ICAO Type Code
Weight Class
20,000+ lbs
Airworthiness Date
May 4, 2023
Classification
Standard Transport Category
Type Registration
LLC
Status
Valid Registration
Cert Issue Date
October 17, 2022

Registered Owner

Name
SOUTHERN CROSS AIRCRAFT LLC
Address
1120 NW 51ST CT
City
FORT LAUDERDALE
State / Zip Code
Florida33309-3138
Country
United States

Powerplant & Avionics

Engine Type
Turbo-fan
Number of Engines
2
Engine Manufacturer
HONEYWELL
Engine Model
TFE-731-SER
Thrust
4000 lbs
Mode S Code (Oct)
51273554
Mode S Code (Hex)
A5776C

Additional Details

Registration
N451SJ
Serial Number
173
Number of Engines
2
Number of Seats
12
Expiration Date
October 31, 2029
Last Action Date
September 9, 2023
Last Update Date
September 9, 2023
Unique ID
00423944

Last Known Position

Date
May 14, 2026 (UTC 22:00:02)
Airport
Latitude
32.824024
Longitude
-97.359247

Data Source

Data provided by the US Federal Aviation Administration. View on FAA.gov

Last updated: 2026-05-15 01:32:20 UTC