# N1635T: 1990 Tollefsbol Terry O RV-4, registration cancelled 2019-02-06

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 6, 2019
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Tollefsbol Terry O RV-4](https://openairdocs.org/model/tollefsbol-terry-o-rv-4) (registry code 05608FT)
- 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: 1635
- Year built: 1990
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: October 3, 1990
- Certificate issued: September 16, 2015
- Last registry action: September 16, 2015
- Mode S code: A0FFEC
- Owner when cancelled: [Hobbs Fredrick B](https://openairdocs.org/faa-owner/HOBBS%20FREDRICK%20B)
- Location: [Coraopolis, PA](https://openairdocs.org/faa-place/PA/Coraopolis)
- Owner type: Individual
- Owner's area on the map: 40.5005° N, 80.2018° W: Placed by OpenAirDocs at the center of ZIP code 15108, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N1635T
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1635T
- Page: https://openairdocs.org/deregistered/N1635T-2019-02-06

From the FAA registry file of November 3, 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 Tollefsbol Terry O RV-4: https://openairdocs.org/model/tollefsbol-terry-o-rv-4.md

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