# N75679: 1985 Teratorn Ultralight TIERRA, registration cancelled 2018-03-08

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 8, 2018
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Teratorn Ultralight TIERRA](https://openairdocs.org/model/teratorn-ultralight-tierra) (registry code 05904NW)
- Engine: [Rotax 447](https://openairdocs.org/engine/rotax-447) (registry code 55576)
- Serial number: 001
- Year built: 1985
- Type of aircraft: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: January 28, 2008
- Certificate issued: February 4, 2008
- Last registry action: September 10, 2013
- Mode S code: AA33C2
- Owner when cancelled: [Wipperfurth Charles R](https://openairdocs.org/faa-owner/WIPPERFURTH%20CHARLES%20R)
- Location: [Merrimac, WI](https://openairdocs.org/faa-place/WI/Merrimac)
- Owner type: Individual
- Owner's area on the map: 43.3994° N, 89.6517° W: Placed by OpenAirDocs at the center of ZIP code 53561, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N75679
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=75679
- Page: https://openairdocs.org/deregistered/N75679-2018-03-08

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 Teratorn Ultralight TIERRA: https://openairdocs.org/model/teratorn-ultralight-tierra.md

## Other aircraft with N75679

- [Cancelled 1952-10-31](https://openairdocs.org/deregistered/N75679-1952-10-31): Boeing E75N1, S/N 75-8540. Owner: [Terry E E](https://openairdocs.org/faa-owner/TERRY%20E%20E), [Helena, AR](https://openairdocs.org/faa-place/AR/Helena)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
