# N86GG: 1987 Geiszler Gerald TWINSTAR

- Status: Valid registration
- Airframe: [Geiszler Gerald TWINSTAR](https://openairdocs.org/model/geiszler-gerald-twinstar) (registry code 056123C, 1 seats)
- Engine: [Bombardier ROTAX (ALL)](https://openairdocs.org/engine/bombardier-rotax-all) (registry code 09050)
- Serial number: 17
- Year built: 1987
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: December 12, 1988
- Certificate issued: August 15, 1986
- Expires: February 29, 2028
- Mode S code: ABCD1B
- Registered owner: [Multiple Technology Inc](https://openairdocs.org/faa-owner/MULTIPLE%20TECHNOLOGY%20INC)
- Location: [Great Falls, MT](https://openairdocs.org/faa-place/MT/Great%20Falls)
- Owner type: Corporation
- Owner's area on the map: 47.2890° N, 111.3005° W: Placed by OpenAirDocs at the center of ZIP code 59405, within about 12 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=86GG
- Page: https://openairdocs.org/aircraft/N86GG

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Geiszler Gerald TWINSTAR)

None in force.

### Matched by engine (Bombardier ROTAX (ALL))

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N86GG.

## FAA accident and incident reports

None matched to N86GG.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Related

- Other Geiszler Gerald TWINSTAR aircraft: https://openairdocs.org/model/geiszler-gerald-twinstar/aircraft.md
- The Bombardier ROTAX (ALL) engine: https://openairdocs.org/engine/bombardier-rotax-all.md

---
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.