# N89BK: 1989 Trieber Steven M BK 310-1

- Status: Valid registration
- Airframe: [Trieber Steven M BK 310-1](https://openairdocs.org/model/trieber-steven-m-bk-310-1) (registry code 05637DD, 1 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Serial number: BK 310-11
- Year built: 1989
- Type: Balloon
- Engine type: None
- Airworthiness: Experimental, amateur built
- Airworthiness date: October 12, 1989
- Certificate issued: September 13, 1989
- Expires: April 30, 2028
- Mode S code: AC431E
- Registered owner: [Trieber Steven M](https://openairdocs.org/faa-owner/TRIEBER%20STEVEN%20M)
- Location: [Eastport, ME](https://openairdocs.org/faa-place/ME/Eastport)
- Owner type: Individual
- Owner's area on the map: 44.9095° N, 67.0099° W: Placed by OpenAirDocs at the center of ZIP code 04631, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=89BK
- Page: https://openairdocs.org/aircraft/N89BK

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 (Trieber Steven M BK 310-1)

None in force.

### Matched by engine (NONE)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N89BK.

## FAA accident and incident reports

None matched to N89BK.

## Reports on N89BK not matched to an aircraft (1)

They name N89BK, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Incident 19781215025189I](https://openairdocs.org/incident/19781215025189I), Dec 15, 1978: Piper PA31T (N89BK), Benson, MN, Minor damage. Pilot forgot to lower landing gear.

## 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 Trieber Steven M BK 310-1 aircraft: https://openairdocs.org/model/trieber-steven-m-bk-310-1/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.md

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