# N100PT: Thunder Balloons AX7-77, registration cancelled 1991-01-30

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 30, 1991
- Status when cancelled: Triennial form not returned
- Airframe: [Thunder Balloons AX7-77](https://openairdocs.org/model/thunder-balloons-ax7-77) (registry code 8970107)
- Serial number: 029
- Type of aircraft: Balloon
- Certificate issued: August 16, 1977
- Last registry action: January 4, 1991
- Mode S code: A0060B
- Owners when cancelled: [Ruppenthal Robert L](https://openairdocs.org/faa-owner/RUPPENTHAL%20ROBERT%20L), [Ruppenthal Marjorie H](https://openairdocs.org/faa-owner/RUPPENTHAL%20MARJORIE%20H)
- Location: [Albuquerque, NM](https://openairdocs.org/faa-place/NM/Albuquerque)
- Owner type: Co-owned
- Owner's area on the map: 35.1885° N, 106.4935° W: Placed by OpenAirDocs at the center of ZIP code 87122, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N100PT
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=100PT
- Page: https://openairdocs.org/deregistered/N100PT-1991-01-30

From the FAA registry file of November 5, 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 Thunder Balloons AX7-77: https://openairdocs.org/model/thunder-balloons-ax7-77.md

## Other aircraft with N100PT

- [Registered now](https://openairdocs.org/aircraft/N100PT): Traver Paul RV-4, S/N 2110, built 1997

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