# N1731: 1969 Tailwind W9L, registration cancelled 2006-08-10

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 10, 2006
- Exported to: Australia
- Status when cancelled: Triennial form not returned
- Airframe: [Tailwind W9L](https://openairdocs.org/model/tailwind-w9l) (registry code 9790365)
- 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: 90
- Year built: 1969
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: May 30, 1980
- Certificate issued: January 21, 2003
- Last registry action: January 17, 2006
- Mode S code: A126CD
- Owner when cancelled: [Mattes Michael A](https://openairdocs.org/faa-owner/MATTES%20MICHAEL%20A)
- Location: [Churubusco, IN](https://openairdocs.org/faa-place/IN/Churubusco)
- Owner type: Individual
- Owner's area on the map: 41.2458° N, 85.3268° W: Placed by OpenAirDocs at the center of ZIP code 46723, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N1731
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1731
- Page: https://openairdocs.org/deregistered/N1731-2006-08-10

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 Tailwind W9L: https://openairdocs.org/model/tailwind-w9l.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 CHI70DBD32](https://openairdocs.org/ntsb/CHI70DBD32), May 2, 1970: Witman T-WIND (N1731), Mt.Carroll, IL, substantial damage

## Other aircraft with N1731

- [Cancelled 2018-02-09](https://openairdocs.org/deregistered/N1731-2018-02-09): Raymond Scott Sewell ROSE PARRAKEET A4C, S/N SBB031. Registration expired, pending cancellation. Owner: [Sewell Raymond S](https://openairdocs.org/faa-owner/SEWELL%20RAYMOND%20S), [Perkins, OK](https://openairdocs.org/faa-place/OK/Perkins)
- [Cancelled 1927-10-07](https://openairdocs.org/deregistered/N1731-1927-10-07): Swallowairplane Mfg SWALLOW MONOPLANE, S/N 1. Owner: [Dallas Airplane Co](https://openairdocs.org/faa-owner/DALLAS%20AIRPLANE%20CO)

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