Boeing 777-300ER
N2251U is a Boeing 777-300ER, a fixed-wing airplane with more than one motor with turbofan engines, built in 2020. It has 552 seats. It is registered to United Airlines INC, a corporation in Chicago, Illinois. The registration is valid: it was issued on January 29, 2020 and expires on January 31, 2030. It holds a standard airworthiness certificate for transport, dated January 28, 2020.
Aircraft
- Maker
- Boeing
- Model
- 777-300ER · all 777-300ERs and related versions
- Serial number
- 66591
- Type
- Fixed-wing, multi-engine
- Power
- Turbofan, 2 motors · Ge GE90-115B · 115,540 lb thrust
- Seats
- 552
- Year built
- 2020
- Transponder code
- A1F622 (octal 50373042)
Registration
- Status
- Valid registration
- Certificate issued
- January 29, 2020
- Expires
- January 31, 2030
- Last FAA action
- November 3, 2025
- Airworthiness
- Standard · Transport · January 28, 2020
- FAA region
- Great Lakes
- FAA record id
- 01310617
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 1
Records check free · 1 to understand · 4 clear
The public federal record on N2251U, 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 29, 2020, expires January 31, 2030. No fractional interest recorded. [1]
Standard certificate for transport, dated January 28, 2020, consistent with the 2020 manufacture year. [1]
No earlier tail number is recorded against serial 66591 for this model in the deregistered file. [2]
N2251U was previously assigned to 1 other aircraft: Brantly B-2B (serial 410, cancelled June 19, 1989). 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 N2251U. 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