# N6821: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 2
- Last cancelled: May 19, 2007
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6821
- Page: https://openairdocs.org/aircraft/N6821

## Aircraft that carried N6821

- [Cancelled 2007-05-19](https://openairdocs.org/deregistered/N6821-2007-05-19): Boeing 727-223, S/N 19496, built 1968. Triennial form not returned. Owner: [Kitty Hawk Aircargo Inc](https://openairdocs.org/faa-owner/KITTY%20HAWK%20AIRCARGO%20INC), [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas)
- [Cancelled 1930-03-20](https://openairdocs.org/deregistered/N6821-1930-03-20): Beal Ralph A BP2, S/N 1. Owner: [Beal Ralph A](https://openairdocs.org/faa-owner/BEAL%20RALPH%20A), [Kansas City, MO](https://openairdocs.org/faa-place/MO/Kansas%20City)

## NTSB investigations on N6821 (2)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CHI91IA058](https://openairdocs.org/ntsb/CHI91IA058), Jan 4, 1991: Boeing B727-223 (N6821), Des Moines, IA, incident, no damage. Probable cause: AN OIL LEAK ORIGINATING FROM THE AUXILIARY POWER UNIT WHICH CREATED SMOKE IN THE PASSENGER CABIN AFTER IT PASSED THROUGH THE AIR CONDITIONING/HEATING SYSTEM EQUIPMENT AND ASSOCIATED DUCT WORK.
- [NTSB NYC79DA041](https://openairdocs.org/ntsb/NYC79DA041), Apr 19, 1979: Boeing 727 (N6821), Philadelphia, PA, substantial damage

## FAA accident and incident reports on N6821 (3)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 19910103001819I](https://openairdocs.org/incident/19910103001819I), Jan 3, 1991: Boeing 727223 (N6821), Des Moines, IA. Smoke in cabin while taxiing to gate. Stopped and evacuated. Water in oil separator bags caused smoke.
- [Incident 19840817052289I](https://openairdocs.org/incident/19840817052289I), Aug 17, 1984: Boeing 727223 (N6821), Ft Myers, FL. Final approach to wrong airport. Executed missed approach. Landed at destination airport.
- [Incident 19800515043239I](https://openairdocs.org/incident/19800515043239I), May 15, 1980: Boeing 727223 (N6821), Chicago, IL. Flight returned due to trailing edge flap malfunction.

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