# N6726Y: 1968 Piper PA-23-250, registration cancelled 2004-10-22

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 22, 2004
- Status when cancelled: Second triennial mailing, no response
- Airframe: [Piper PA-23-250](https://openairdocs.org/model/piper-pa-23-250) (registry code 7102308)
- Engine: [Lycoming IO-540 series](https://openairdocs.org/engine/lycoming-io-540-series) (registry code 41530)
- Data sheets: [TCDS 1A10](https://openairdocs.org/tcds/1A10), [TCDS 1E4](https://openairdocs.org/tcds/1E4) (OpenAirDocs)
- Serial number: 27-4058
- Year built: 1968
- Type of aircraft: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: October 21, 1968
- Certificate issued: July 19, 1985
- Last registry action: September 21, 1991
- Mode S code: A8E667
- Owner when cancelled: [Sonoma Technolgy Inc](https://openairdocs.org/faa-owner/SONOMA%20TECHNOLGY%20INC)
- Location: [Santa Rosa, CA](https://openairdocs.org/faa-place/CA/Santa%20Rosa)
- Owner type: Corporation
- Owner's area on the map: 38.4488° N, 122.7973° W: Placed by OpenAirDocs at the center of ZIP code 95401, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N6726Y
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6726Y
- Page: https://openairdocs.org/deregistered/N6726Y-2004-10-22

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-23-250: https://openairdocs.org/model/piper-pa-23-250.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 LAX86LA008](https://openairdocs.org/ntsb/LAX86LA008), Oct 4, 1985: Piper PA-23-250 (N6726Y), Santa Barbara, CA, no damage, 2 fatal

## FAA accident and incident reports (1)

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.

- [Accident 19851003053939A](https://openairdocs.org/incident/19851003053939A), Oct 3, 1985: Piper PA23250 (N6726Y), Santa Barbara, CA, Destroyed, 1 fatal. Disappeared from ground radar while flying over the Santa Barbara channel. No wreckage found.

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