# N1702D: 1951 Cessna 170A, registration cancelled 2010-04-12

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 12, 2010
- Exported to: Australia
- Status when cancelled: Triennial form not returned
- Airframe: [Cessna 170A](https://openairdocs.org/model/cessna-170a) (registry code 2072304)
- Engine: [Continental C145 series](https://openairdocs.org/engine/continental-c145-series) (registry code 17012)
- Data sheets: [TCDS A-799](https://openairdocs.org/tcds/A-799), [TCDS E-253](https://openairdocs.org/tcds/E-253) (OpenAirDocs)
- Serial number: 20145
- Year built: 1951
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Airworthiness date: February 22, 1956
- Certificate issued: June 12, 2000
- Last registry action: January 20, 2009
- Mode S code: A11BCF
- Owner when cancelled: [Siefkas David K](https://openairdocs.org/faa-owner/SIEFKAS%20DAVID%20K)
- Location: [Denver, CO](https://openairdocs.org/faa-place/CO/Denver)
- Owner type: Individual
- Owner's area on the map: 39.7338° N, 104.9165° W: Placed by OpenAirDocs at the center of ZIP code 80220, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N1702D
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1702D
- Page: https://openairdocs.org/deregistered/N1702D-2010-04-12

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 Cessna 170A: https://openairdocs.org/model/cessna-170a.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 CHI90LA201](https://openairdocs.org/ntsb/CHI90LA201), Jul 30, 1990: Cessna 170A (N1702D), Fisk, WI, substantial damage. Probable cause: THE PILOT-IN-COMMAND OF THE THORP T-18'S FAILURE TO MAINTAIN A SUFFICIENT VISUAL LOOKOUT TO AVOID A COLLISION WITH THE CESSNA 170A. CONTRIBUTING WAS THE LIMITED VISIBILITY FORWARD AND TO THE RIGHT IN…

## 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 19900730029202A](https://openairdocs.org/incident/19900730029202A), Jul 30, 1990: Cessna 170A (N1702D), Fisk, WI, Substantial damage. Was over taken and struck by N66BR during long line traffic into oshkosh. Landed at osh. Other landed safe in field

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