N21723
Boeing 737-724
Valid
Illinois
N21723 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 April 23, 1999 and expires on January 31, 2030. It holds a standard airworthiness certificate for transport, dated April 21, 1999.
Aircraft
- Maker
- Boeing
- Model
- 737-724
- Serial number
- 28790
- Type
- Fixed-wing, multi-engine
- Power
- Turbofan, 2 motors · Cfm Intl. CFM56 SERIES · 2200 hp
- Seats
- 149
- Year built
- 1999
- Transponder code
- A1D63D (octal 50353075)
Registration
- Status
- Valid registration
- Certificate issued
- April 23, 1999
- Expires
- January 31, 2030
- Last FAA action
- November 3, 2025
- Airworthiness
- Standard · Transport · April 21, 1999
- FAA region
- Great Lakes
- FAA record id
- 00343647
Owner as the FAA publishes it
- Name
- United Airlines INC
- Type
- Corporation
- Address
- Attn: Treasurer - Willis Tower
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
1994-12-02Piper PA-31-350 · exported to Chile · Valid registration
1967-06-29Heideman-Bowlus B-3 · Valid registration
Source: FAA Civil Aviation Registry, Releasable Aircraft Database, September 25, 2026. See this record on the FAA site · This record as data