_(5575601718).jpg)
Boeing 737-824
N12221 is a Boeing 737-824, a fixed-wing airplane with more than one motor with turbofan engines, built in 1998. It has 149 seats. It is registered to United Airlines INC, a corporation in Chicago, Illinois. The registration is valid: it was issued on November 15, 2018 and expires on November 30, 2028. It holds a standard airworthiness certificate for transport, dated November 29, 1998.
Where is it now Last seen yesterday at 11:13 pm.
Last seen yesterday at 11:13 pm. Checking whether it is in the air right now…
Aircraft broadcast their own position; volunteer receivers pool what they hear. Owners who have asked the FAA not to be displayed are not shown.
Flight history: where it flew in the last seven days · follow it on the live map
Aircraft
- Maker
- Boeing
- Model
- 737-824 · all 737-824s and related versions
- Built of
- aluminiumThe airframe is aluminium: sheet metal over a riveted frame, the way most aircraft have been built since the 1940s. This is how the Boeing 737 family is built; the FAA does not record construction for each aircraft, and the type certificate data sheet is the authority for this one.
- Serial number
- 28930
- Type
- Fixed-wing, multi-engineFAA type of aircraft code 5 (the FAA's broad category for the airframe). Every aircraft with this code · All codes
- Power
- TurbofanFAA type of engine code 5 (what powers it, as the FAA classes engines). Every aircraft with this code · All codes, 2 motors · Cfm Intl. CFM56 SERIES · 2200 hp
- Seats
- 149
- Year built
- 1998
- Transponder code
- A05DD8 (octal 50056730)
Registration
- Status
- Valid registrationFAA registration status code V (whether the registration certificate is in force). Every aircraft with this code · All codes
- Certificate issued
- November 15, 2018
- Expires
- November 30, 2028
- Last FAA action
- June 23, 2023
- Airworthiness
- StandardFAA airworthiness class code 1 (the kind of airworthiness certificate it flies under and what it is approved for). Every aircraft with this code · All codes · TransportFAA certificate purpose code T (the kind of airworthiness certificate it flies under and what it is approved for). All codes · November 29, 1998
- FAA region
- Great LakesFAA region code C (the FAA regional office that handles the record). All codes
- FAA record id
- 00963666
Owner as the FAA publishes it
- Name
- United Airlines INC
- Type
- CorporationFAA type of owner code 3 (who holds the registration: a person, a company, a trust or a government body). Every aircraft with this code · All codes
- 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 2
Connections how N12221 links to the rest of the register
- Boeing 737 2,894 registered
- Boeing 6,676 aircraft on the register
- Built of aluminium · as the model family is built; the register does not record it per aircraft
- CFM International CFM56 series 708 aircraft with this engine series · 2200 hp
- United Airlines INC 1,220 aircraft in the fleet
- Chicago, IL 1,563 aircraft registered in this town
- Chicago Midway International · MDW
- Chicago O'Hare International · ORD
- Lansing Municipal · IGQ
- Illinois 8,055 aircraft registered
- FAA orders naming the Boeing 737 855 airworthiness directives
- Failure reports filed on the Boeing 737 436,568 reports since 1995
- Approved modifications for the Boeing 737 2,230 supplemental type certificates
- FAA orders naming the CFM International CFM56 series 56 airworthiness directives
- Failure reports on the CFM International CFM56 series 2,449 reports since 1995
- Report filed on this aircraft: Adapter, damaged · 2026-06-24
- Report filed on this aircraft: Elec Connector, damaged · 2026-01-08
- Report filed on this aircraft: Control Unit, faulted · 2025-11-11
- Where N12221 is now · Last seen yesterday at 11:13 pm.
The whole map of how records connect · these connections as data: /graph/aircraft/N12221.json.
Records check free · 2 to understand · 3 clear
The public federal record on N12221, 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 November 15, 2018, expires November 30, 2028. No fractional interest recorded. [1]
Standard certificate for transport, dated November 29, 1998, consistent with the 1998 manufacture year. [1]
No earlier tail number is recorded against serial 28930 for this model in the deregistered file. [2]
N12221 was previously assigned to 2 other aircraft: Handley Page HP-137 MK1 (serial 221, cancelled September 2, 1992); Lockheed 9A SPECIAL (serial 178, cancelled November 21, 1931). 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]
2 NTSB records under N12221: Accident on May 6, 2011 at Greenville, MS: no injuries, substantial damage. Accident on July 8, 1999 at Atlantic Ocean, AO: serious injuries, minor damage. 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 2
Aircraft on the NTSB record: Boeing 737 · operated under 121
The failure of a utility pipe beneath the ramp surface, which caused a localized void in the soil and resulting reduction in the load bearing capability of the ramp.
Full record in plain English · Docket and reports at the NTSB
Aircraft on the NTSB record: Boeing 737-824 · operated under 121
the aircrew's inadvertent encounter with unforecast clear air turbulence.
Full record in plain English · Docket and reports at the NTSB
- FAA Releasable Aircraft Database, master file, file of October 30, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of October 30, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of October 30, 2026. registry.faa.gov/
- NTSB aviation accident database (CAROL), records through September 30, 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 30, 2026. See this record on the FAA site · This record as data