# N821GS: 1977 Piper PA-34-200T, registration cancelled 2008-01-22

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 22, 2008
- Status when cancelled: Triennial form not returned
- Airframe: [Piper PA-34-200T](https://openairdocs.org/model/piper-pa-34-200t) (registry code 7103406)
- Engine: [Continental TSIO-360 series](https://openairdocs.org/engine/continental-tsio-360-series) (registry code 17019)
- Data sheets: [TCDS A7SO](https://openairdocs.org/tcds/A7SO), [TCDS E9CE](https://openairdocs.org/tcds/E9CE) (OpenAirDocs)
- Serial number: 34-7770419
- Year built: 1977
- Type of aircraft: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: September 29, 1977
- Certificate issued: November 4, 2004
- Last registry action: November 20, 2007
- Mode S code: AB3539
- Owner when cancelled: [Teton Leasing LLC](https://openairdocs.org/faa-owner/TETON%20LEASING%20LLC)
- Location: [Pocatello, ID](https://openairdocs.org/faa-place/ID/Pocatello)
- Owner type: Corporation
- Owner's area on the map: 42.8050° N, 112.5239° W: Placed by OpenAirDocs at the center of ZIP code 83204, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N821GS
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=821GS
- Page: https://openairdocs.org/deregistered/N821GS-2008-01-22

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-34-200T: https://openairdocs.org/model/piper-pa-34-200t.md

## Service difficulty reports (3)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR 96ZZZX91](https://openairdocs.org/sdr/96ZZZX91), Mar 27, 1995: ELT. CASE LEAK. DURING BATTERY REPLACEMENT, FOUND BATTERY HAD CRACKED AND LEAKED CAUSING INTERIOR OF ELT TO BECOME SEVERELY CORRODED. ELT WAS STILL FUNCTIONAL ON FUNCTION TEST.
- [SDR 96ZZZX4737](https://openairdocs.org/sdr/96ZZZX4737), Feb 3, 1995: CRANKCASE. CRACKED. WHILE TROUBLESHOOTING OIL LEAK, FOUND 3 INCH CRACK RUNNING FROM TOP CENTER BOLT ON CRANKCASE DOWN TO BASE OF NR 3 CYLINDER.
- [SDR 96ZZZX4738](https://openairdocs.org/sdr/96ZZZX4738), Feb 2, 1995: CYLINDER. CRACKED. AFTER LANDING, PILOT NOTICED NOISE FROM ENGINE, THOUGHT HE HAD EXHAUST LEAK. UPON INSPECTION, FOUND NR 3 CYLINDER HAD CRACKED AT TOP OF BARREL AND BURNED HOLE I

## 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 DEN07CA046](https://openairdocs.org/ntsb/DEN07CA046), Jan 1, 2007: Piper PA-34-200T (N821GS), Walden, CO, substantial damage. Probable cause: The pilot experiencing lateral flight control stiffness for undetermined reasons and the pilot's intentional wheels up landing. Factors were the snow covered and rough/uneven terrain.

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