Boeing 737-824
N77520 is a Boeing 737-824, a fixed-wing airplane with more than one motor with turbofan engines, built in 2010. It has 149 seats. It is registered to United Airlines INC, a corporation in Chicago, Illinois. The registration is valid: it was issued on August 16, 2010 and expires on January 31, 2028. It holds a standard airworthiness certificate for transport, dated August 13, 2010.
Aircraft
- Maker
- Boeing
- Model
- 737-824 · all 737-824s and related versions
- Serial number
- 31658
- Type
- Fixed-wing, multi-engine
- Power
- Turbofan, 2 motors · Cfm Intl CFM56-7B26/3 · 25,900 lb thrust
- Seats
- 149
- Year built
- 2010
- Transponder code
- AA7E51 (octal 52477121)
Registration
- Status
- Valid registration
- Certificate issued
- August 16, 2010
- Expires
- January 31, 2028
- Last FAA action
- January 16, 2024
- Airworthiness
- Standard · Transport · August 13, 2010
- FAA region
- Great Lakes
- FAA record id
- 01045464
Owner as the FAA publishes it
- Name
- United Airlines INC
- Type
- Corporation
- Address
- Attn Treasurer Willis Tower
233 S Wacker Dr
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 1
Records check free · 2 to understand · 3 clear
The public federal record on N77520, 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 August 16, 2010, expires January 31, 2028. No fractional interest recorded. [1]
Standard certificate for transport, dated August 13, 2010, consistent with the 2010 manufacture year. [1]
No earlier tail number is recorded against serial 31658 for this model in the deregistered file. [2]
N77520 was previously assigned to 1 other aircraft: Piper J3C-65 (serial 22005, cancelled March 24, 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]
1 NTSB record under N77520: Incident on April 24, 2014 at Newark, NJ. 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: Boeing 737 824 · operated under 121
The local controller’s failure to comply with Federal Aviation Administration separation requirements for aircraft operating on intersecting runways.
Search the NTSB's CAROL system for OPS14IA005 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