N643EP - Learjet INC 45 Aircraft Registration

LJ45

LEARJET INC 45

Aircraft Description

N643EP is a Learjet INC 45, a twin-engine turbo-fan aircraft registered to Marquis Aviation LLC in Hennepin, IL. The registration certificate was issued on October 18, 2025. The registration is set to expire on October 31, 2032. The aircraft is configured with 12 seats. The aircraft's Mode S transponder code is A870D2 (hex), used for ADS-B identification and flight tracking. N643EP was last tracked by AviatorDB at coordinates 40.8501, -74.0608 on July 18, 2025. The FAA registry record for N643EP was last updated on October 18, 2025. 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 N643EP. 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
Manufacturer
LEARJET INC
Model
45
Type Aircraft
Fixed Wing Multi Engine
ICAO Type Code
Weight Class
20,000+ lbs
Airworthiness Date
Classification
Type Registration
LLC
Status
Valid Registration
Cert Issue Date
October 18, 2025

Registered Owner

Name
MARQUIS AVIATION LLC
Address
10000 MARQUIS DR
City
HENNEPIN
State / Zip Code
Illinois61327-1000
Country
United States

Powerplant & Avionics

Engine Type
Turbo-fan
Number of Engines
2
Mode S Code (Oct)
52070322
Mode S Code (Hex)
A870D2

Additional Details

Registration
N643EP
Serial Number
599
Number of Engines
2
Number of Seats
12
Expiration Date
October 31, 2032
Last Action Date
October 18, 2025
Last Update Date
January 19, 2026
Unique ID
01344748

Last Known Position

Date
July 18, 2025 (UTC 01:05:51)
Airport
Latitude
40.850101
Longitude
-74.060799

Data Source

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

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