N56MM - 1976 Gates Lear Jet 24F Aircraft Registration

LJ24

1976 GATES LEAR JET 24F

Aircraft Description

N56MM is a 1976 Gates Lear Jet 24F, a twin-engine turbo-jet aircraft registered to Carlisle Air LLC in Locust Valley, NY. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on November 24, 1976. The registration certificate was issued on November 29, 2016. The registration is set to expire on November 30, 2029. Powered by a Ge CJ610-SER engine producing 2700 horsepower, N56MM is. The aircraft's Mode S transponder code is A725B0 (hex), used for ADS-B identification and flight tracking. The FAA registry record for N56MM was last updated on September 15, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

The Learjet 24, a pioneering business jet that established the executive aviation market, became the first business aircraft certified under FAR-25 transport category standards. First flown on January 24, 1966, it was a low-wing twin-engine turbojet that could seat six to eight occupants in executive configuration. Spanning a production run from 1966 to 1977, this 13,500-pound aircraft achieved remarkable performance including a celebrated around-the-world flight in under 51 hours. The aircraft was manufactured by Learjet Corporation, later Gates Learjet Corporation. AviatorDB tracks 67 Gates Lear Jet aircraft currently registered in the FAA database. The ICAO type designator for this aircraft model is LJ24.

AviatorDB has found no NTSB accident or incident reports involving N56MM. 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
1976
Manufacturer
GATES LEAR JET
Model
24F
Type Aircraft
Fixed Wing Multi Engine
ICAO Type Code
Cruise Speed
363 mph
Weight Class
12,500–19,999 lbs
Airworthiness Date
November 24, 1976
Classification
Standard Transport Category
Type Registration
LLC
Status
Valid Registration
Cert Issue Date
November 29, 2016

Registered Owner

Name
CARLISLE AIR LLC
Address
PO BOX 453
City
LOCUST VALLEY
State / Zip Code
New York11560-0453
Country
United States

Powerplant & Avionics

Engine Type
Turbo-jet
Number of Engines
2
Engine Manufacturer
GE
Engine Model
CJ610-SER
Horsepower
2700 HP
Mode S Code (Oct)
51622660
Mode S Code (Hex)
A725B0

Additional Details

Registration
N56MM
Serial Number
332
Number of Engines
2
Number of Seats
8
Expiration Date
November 30, 2029
Last Action Date
September 15, 2023
Last Update Date
January 19, 2026
Unique ID
00970730

Data Source

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

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