N21723
1999 Boeing 737-724
Fixed-wing, multi-engine · serial 28790
Valid registration
Registered with the FAA until Jan 31, 2030.
Registered owner
- Owner type
- Corporation
- Address
- Attn: Treasurer - Willis Tower 233 S Wacker Dr, Chicago, IL 60606
Aircraft
- Make and model
- Boeing 737-724
- Year built
- 1999
- Serial number
- 28790
- Type
- Fixed-wing, multi-engine · Land
- Engines
- 2 × Turbofan · CFM Intl. CFM56 SERIES · 2,200 hp
- Seats
- 149
- Weight class
- 20,000 lb and over
- Certification
- Type certificated · Standard airworthiness (issued Apr 21, 1999)
- Mode S code
- A1D63D (the transponder's ICAO address, used by ADS-B flight trackers)
- Registered since
- Apr 23, 1999 · last FAA action Nov 3, 2025
Past registrations of N21723
N-numbers are reused. Each line is an earlier registration, ending on the date the FAA canceled it.
- Dec 2, 1994 Piper PA-31-350 · serial 318152028 Special Air Service Corp · Miami, FL · exported to CHILE
- Jun 29, 1967 1940 Heideman-Bowlus B-3 · serial 3 Torgerson Russell Eugene · El Cajon, CA