N21723
1999 Boeing 737-724
N21723 on the FAA register
Timeline
- 2030-01-31Registration expires (renewal due).
- 1999-04-23Certificate of registration issued as N21723 to the current registrant.
- 1999-04-21Airworthiness date on the current FAA record (standard category (transport)).
- 1994-12-02N21723 previously assigned to a Piper Navajo Chieftain / PA-31 350 Chieftain (s/n 318152028); cancelled.
- 1967-06-29N21723 previously assigned to a Homebuilt B-3 (s/n 3); cancelled.
About N21723
N21723 is a 1999 Boeing 737-724, serial number 28790. The FAA register lists United Airlines Inc as the registrant in Chicago, Illinois. The current certificate of registration was issued on April 23, 1999 and expires on January 31, 2030.
The FAA aircraft reference file describes the type as an airliner, two Cfm Intl. CFM56 series engines and 149 seats. Its airworthiness certificate is standard category (transport), dated April 21, 1999.
No NTSB accident or incident reports and no FAA preliminary notices are on file for N21723.
Accident & incident history
✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N21723.
Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records
More Boeing 737-724 aircraft
All 36 Boeing 737-724 registrations →Other aircraft registered in Illinois
All 8,055 aircraft registered in Illinois →Other airliners on the register
Boeing models on the register
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Data: FAA Aircraft Registry (October 2026), including deregistered aircraft; NTSB and FAA accident data; fyiAero listing history. Individual owners' names are shown to signed-in users and street addresses are never shown. Type figures are published specifications, not this aircraft's.
