Boeing 737-924ER
N39450 is a Boeing 737-924ER, a fixed-wing airplane with more than one motor with turbofan engines, built in 2012. It has 191 seats. It is registered to United Airlines INC, a corporation in Chicago, Illinois. The registration is valid: it was issued on April 2, 2012 and expires on April 30, 2028. It holds a standard airworthiness certificate for transport, dated March 30, 2012.
Aircraft
- Maker
- Boeing
- Model
- 737-924ER · all 737-924ERs and related versions
- Serial number
- 40004
- Type
- Fixed-wing, multi-engine
- Power
- Turbofan, 2 motors · Cfm Intl CFM56-7B26E · 26,300 lb thrust
- Seats
- 191
- Year built
- 2012
- Transponder code
- A494C5 (octal 51112305)
Registration
- Status
- Valid registration
- Certificate issued
- April 2, 2012
- Expires
- April 30, 2028
- Last FAA action
- May 5, 2023
- Airworthiness
- Standard · Transport · March 30, 2012
- FAA region
- Great Lakes
- FAA record id
- 01087410
Owner as the FAA publishes it
- Name
- United Airlines INC
- Type
- Corporation
- Address
- Attn Treasurer Willis Tower
233 South Wacker Drive
Chicago, IL 60606
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 · 2 to understand · 3 clear
The public federal record on N39450, 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 April 2, 2012, expires April 30, 2028. No fractional interest recorded. [1]
Standard certificate for transport, dated March 30, 2012, consistent with the 2012 manufacture year. [1]
No earlier tail number is recorded against serial 40004 for this model in the deregistered file. [2]
N39450 was previously assigned to 2 other aircraft: Lake LA-4-200 (serial 540, cancelled August 21, 1990); Stinson 10A (serial 8250, cancelled October 12, 1943). 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]
1 NTSB record under N39450: Accident on September 5, 1987 at Coal Lake, AK: fatal, destroyed (1 fatal). Details below. [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.
NTSB records 1
Aircraft on the NTSB record: Lake LA-4-200 · operated under 091
Search the NTSB's CAROL system for ANC87FA140 for the docket and final report. Open CAROL
- 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