# N423D: 1972 Cox THORP T-18, registration cancelled 2017-02-17

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 17, 2017
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Cox THORP T-18](https://openairdocs.org/model/cox-thorp-t-18) (registry code 89510GM)
- Engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508)
- Data sheets: [TCDS E-274](https://openairdocs.org/tcds/E-274) (OpenAirDocs)
- Serial number: 182
- Year built: 1972
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: November 10, 1979
- Certificate issued: March 19, 1996
- Last registry action: May 28, 2010
- Mode S code: A5070F
- Owner when cancelled: [Diedrich Stephen A](https://openairdocs.org/faa-owner/DIEDRICH%20STEPHEN%20A)
- Location: [Ponderay, ID](https://openairdocs.org/faa-place/ID/Ponderay)
- Owner type: Individual
- Owner's area on the map: 48.3188° N, 116.5349° W: Placed by OpenAirDocs at the center of ZIP code 83852, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N423D
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=423D
- Page: https://openairdocs.org/deregistered/N423D-2017-02-17

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 Cox THORP T-18: https://openairdocs.org/model/cox-thorp-t-18.md

## Other aircraft with N423D

- [Registered now](https://openairdocs.org/aircraft/N423D): DJI MATRICE 4E, S/N 1581F7FVC25A500DVF9N

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