# N778TW: Boeing 707-331B, registration cancelled 1984-05-29

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 29, 1984
- Status when cancelled: Valid registration
- Airframe: [Boeing 707-331B](https://openairdocs.org/model/boeing-707-331b) (registry code 138366H)
- Data sheets: [TCDS 4A26](https://openairdocs.org/tcds/4A26) (OpenAirDocs)
- Serial number: 18409
- Type of aircraft: Fixed wing multi engine
- Certificate issued: May 29, 1984
- Mode S code: AA887D
- Owner when cancelled: [Boeing Military Airplane Co](https://openairdocs.org/faa-owner/BOEING%20MILITARY%20AIRPLANE%20CO)
- Location: [Wichita, KS](https://openairdocs.org/faa-place/KS/Wichita)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N778TW
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=778TW
- Page: https://openairdocs.org/deregistered/N778TW-1984-05-29

From the FAA registry file of November 5, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Boeing 707-331B: https://openairdocs.org/model/boeing-707-331b.md

## NTSB investigations (1)

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 NYC74IN093](https://openairdocs.org/ntsb/NYC74IN093), May 8, 1974: Boeing 707 (N778TW), Philadelphia, PA, incident, minor damage

## FAA accident and incident reports (2)

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 19830519056079I](https://openairdocs.org/incident/19830519056079I), May 19, 1983: Boeing 707331B (N778TW), Chicago, IL. Truck unlevel light came on. Gear lever locked. Left gear truck positioner priority valve inlet end blown off.
- [Incident 19781121026259I](https://openairdocs.org/incident/19781121026259I), Nov 21, 1978: Boeing 707331B (N778TW), Boston, MA. Pilot declared an emergency due to smoke in cabine. Found faulty temperature indicator for freon system

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