N39728 - 1999 Boeing 737-724 Aircraft Registration

B37M

1999 BOEING 737-724

Aircraft Description

N39728 is a 1999 Boeing 737-724, a twin-engine turbo-fan aircraft registered to United Airlines INC in Chicago, IL. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on July 15, 1999. The registration certificate was issued on January 16, 2019. The registration is set to expire on January 31, 2029. Powered by a Cfm Intl. CFM56 SERIES engine producing 2200 horsepower, N39728 is. The aircraft's Mode S transponder code is A49F89 (hex), used for ADS-B identification and flight tracking. N39728 was last tracked by AviatorDB near Boston Logan International Airport (KBOS) on March 23, 2026. The FAA registry record for N39728 was last updated on July 7, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

The Boeing Company, headquartered in Arlington, Virginia, is one of the world's largest aerospace companies. Boeing has manufactured commercial airliners, military aircraft, and space vehicles since 1916, with iconic products including the 737, 747, 767, 777, and 787 Dreamliner. AviatorDB tracks 6,953 Boeing aircraft currently registered in the FAA database, including the 737-724 model.

AviatorDB has found no NTSB accident or incident reports involving N39728. 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
1999
Manufacturer
BOEING
Model
737-724
Type Aircraft
Fixed Wing Multi Engine
ICAO Type Code
B37M737 MAX 7
Weight Class
20,000+ lbs
Airworthiness Date
July 15, 1999
Classification
Standard Transport Category
Type Registration
Corporation
Status
Valid Registration
Cert Issue Date
January 16, 2019

Registered Owner

Name
UNITED AIRLINES INC
Address
233 S WACKER DR
City
CHICAGO
State / Zip Code
Illinois60606-7147
Country
United States

Operator / Airline

Operator
United Airlines Inc
ICAO Code
UAL

Powerplant & Avionics

Engine Type
Turbo-fan
Number of Engines
2
Engine Manufacturer
CFM INTL.
Engine Model
CFM56 SERIES
Horsepower
2200 HP
Mode S Code (Oct)
51117611
Mode S Code (Hex)
A49F89

Additional Details

Registration
N39728
Serial Number
28944
Number of Engines
2
Number of Seats
149
Expiration Date
January 31, 2029
Last Action Date
July 7, 2023
Last Update Date
July 7, 2023
Unique ID
00923637

Last Known Position

Date
April 6, 2026 (UTC 17:50:31)
Airport
Latitude
41.980994
Longitude
-87.909148

Data Source

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

Last updated: 2026-04-01 01:32:20 UTC