Boeing 737-724
N39728 is a Boeing 737-724, a fixed-wing airplane with more than one motor with turbofan engines, built in 1999. It has 149 seats. It is registered to United Airlines INC, a corporation in Chicago, Illinois. The registration is valid: it was issued on January 16, 2019 and expires on January 31, 2029. It holds a standard airworthiness certificate for transport, dated July 15, 1999.
Aircraft
- Maker
- Boeing
- Model
- 737-724 · all 737-724s and related versions
- Serial number
- 28944
- Type
- Fixed-wing, multi-engine
- Power
- Turbofan, 2 motors · Cfm Intl. CFM56 SERIES · 2200 hp
- Seats
- 149
- Year built
- 1999
- Transponder code
- A49F89 (octal 51117611)
Registration
- Status
- Valid registration
- Certificate issued
- January 16, 2019
- Expires
- January 31, 2029
- Last FAA action
- July 7, 2023
- Airworthiness
- Standard · Transport · July 15, 1999
- FAA region
- Great Lakes
- FAA record id
- 00923637
Owner as the FAA publishes it
- Name
- United Airlines INC
- Type
- Corporation
- Address
- 233 S Wacker Dr
Chicago, IL 60606-7147
Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.
Documents on file 0
No bills of sale, loans or other documents are indexed against this tail number.
Earlier use of this number 2
Records check free · 1 to understand · 4 clear
The public federal record on N39728, read the way a buyer, lender or insurer reads it: FAA registration, prior tail numbers keyed on the serial number, reuse of the tail number, recent registry filings, and the NTSB accident record under this and every earlier registration.
Valid registration to United Airlines INC, a corporation, certificate issued January 16, 2019, expires January 31, 2029. No fractional interest recorded. [1]
Standard certificate for transport, dated July 15, 1999, consistent with the 1999 manufacture year. [1]
No earlier tail number is recorded against serial 28944 for this model in the deregistered file. [2]
N39728 was previously assigned to 2 other aircraft: Piper PA-32RT-300T (serial 32R7887155, cancelled December 27, 1991); Waco UPF-7 (serial 5861, cancelled January 4, 1949). Histories keyed to the tail number alone can mix aircraft up; this check keys on the serial number. [2]
No bills of sale, loans or releases have reached the registry in recent weeks. The index covers only recent filings; older liens are in the records file. [3]
No NTSB investigation records located under N39728. CLEAR means the query ran and returned nothing, not that nothing ever happened. [4]
These live in the FAA aircraft records file (every document ever filed against the aircraft) and, for larger aircraft, the International Registry. Part of the full report.
AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.
- FAA Releasable Aircraft Database, master file, file of October 2, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of October 2, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of October 2, 2026. registry.faa.gov/
- NTSB aviation accident database (CAROL), records through August 27, 2026. data.ntsb.gov/carol-main-public/basic-search
This automated check reads the public federal record. Nothing here is a legal opinion, an appraisal or a statement about the aircraft's condition; a CLEAR line is a statement about the searched record, not the aircraft.
Source: FAA Civil Aviation Registry, Releasable Aircraft Database, October 2, 2026. See this record on the FAA site · This record as data