# N912HP: 2016 Don Arnold SINUS KIT

- Status: Valid registration
- Airframe: [Don Arnold SINUS KIT](https://openairdocs.org/model/don-arnold-sinus-kit) (registry code 05634VU, 2 seats)
- Engine: [Rotax 912UL series](https://openairdocs.org/engine/rotax-912ul-series) (registry code 55571)
- Serial number: 768
- Year built: 2016
- Type: Glider
- Engine type: Reciprocating
- Kit: Pipistrel SINUS
- Airworthiness: Experimental, amateur built
- Airworthiness date: August 30, 2016
- Certificate issued: February 29, 2016
- Expires: February 28, 2029
- Mode S code: AC9ED6
- Registered owner: [Arnold Donald S](https://openairdocs.org/faa-owner/ARNOLD%20DONALD%20S)
- Location: [Shoreham, VT](https://openairdocs.org/faa-place/VT/Shoreham)
- Owner type: Individual
- Owner's area on the map: 43.8902° N, 73.3299° W: Placed by OpenAirDocs at the center of ZIP code 05770, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=912HP
- Page: https://openairdocs.org/aircraft/N912HP

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. The registry lists only the engine series, so ADs for every Rotax 912UL model are included.

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

### Matched by airframe (Don Arnold SINUS KIT)

None in force.

### Matched by engine (Rotax 912UL series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N912HP.

## NTSB investigations on N912HP not matched to an aircraft (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 LAX08LA195](https://openairdocs.org/ntsb/LAX08LA195), Jun 23, 2008: Arrow Falcon Exporters OH-58C (N912HP), Fresno, CA, substantial damage. Probable cause: The loss of engine power due to fatigue failure of a second stage compressor blade.

## FAA accident and incident reports

None matched to N912HP.

## Reports on N912HP not matched to an aircraft (1)

They name N912HP, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Accident 20080623857679A](https://openairdocs.org/incident/20080623857679A), Jun 23, 2008: Arrowf OH58C (N912HP), Firebaugh, CA, No damage. During agricultual operations N912HP was attempting to land on the service trailer with fresh water in the hopper tanks for cleaning. A pop was heard from the…

## 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 Don Arnold SINUS KIT aircraft: https://openairdocs.org/model/don-arnold-sinus-kit/aircraft.md
- The Rotax 912UL series engine: https://openairdocs.org/engine/rotax-912ul-series.md

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