# N21TP: 1980 Piper PA-31-350, registration cancelled 2007-11-29

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 29, 2007
- Exported to: Canada
- Status when cancelled: Valid registration
- Airframe: [Piper PA-31-350](https://openairdocs.org/model/piper-pa-31-350) (registry code 7103110)
- Engine: [Lycoming TI0-540 series](https://openairdocs.org/engine/lycoming-ti0-540-series) (registry code 41533)
- Data sheets: [TCDS A20SO](https://openairdocs.org/tcds/A20SO), [TCDS E14EA](https://openairdocs.org/tcds/E14EA) (OpenAirDocs)
- Serial number: 31-8152069
- Year built: 1980
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard, normal
- Airworthiness date: February 9, 1981
- Certificate issued: February 22, 2006
- Last registry action: February 22, 2006
- Mode S code: A1B8E0
- Owners when cancelled: [Boyer Industries LLC DBA](https://openairdocs.org/faa-owner/BOYER%20INDUSTRIES%20LLC%20DBA), [Mokulele Airlines](https://openairdocs.org/faa-owner/MOKULELE%20AIRLINES)
- Location: [Kailua Kona, HI](https://openairdocs.org/faa-place/HI/Kailua%20Kona)
- Owner type: Corporation
- Owner's area on the map: 19.7674° N, 155.8884° W: Placed by OpenAirDocs at the center of ZIP code 96740, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N21TP
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=21TP
- Page: https://openairdocs.org/deregistered/N21TP-2007-11-29

From the FAA registry file of October 29, 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 Piper PA-31-350: https://openairdocs.org/model/piper-pa-31-350.md

## Other aircraft with N21TP

- [Cancelled 1990-03-19](https://openairdocs.org/deregistered/N21TP-1990-03-19): Beech 60, S/N P114. N-number assigned, not yet registered

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