# N155TA: 2021 Tetra MK-5B

- Status: Non-citizen corporation, flight hours not reported
- Airframe: [Tetra MK-5B](https://openairdocs.org/model/tetra-mk-5b) (registry code 0610183)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: MK-5B-001
- Year built: 2021
- Type: Fixed wing multi engine
- Engine type: Electric
- Airworthiness: Experimental, unmanned, research and development
- Airworthiness date: August 16, 2021
- Certificate issued: April 26, 2021
- Expires: April 30, 2028
- Mode S code: A0DE6C
- Registered owner: [Kuwamura Koya](https://openairdocs.org/faa-owner/KUWAMURA%20KOYA)
- Location: Tokyo, Japan
- Owner type: Individual
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=155TA
- Page: https://openairdocs.org/aircraft/N155TA

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 (Tetra MK-5B)

None in force.

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N155TA.

## FAA accident and incident reports

None matched to N155TA.

## 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.

## Earlier aircraft with N155TA

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N155TA before.

- [Cancelled 2010-01-07](https://openairdocs.org/deregistered/N155TA-2010-01-07): Beech T42, S/N 65-12718. Triennial form not returned. Owner: [Adamson Timothy C](https://openairdocs.org/faa-owner/ADAMSON%20TIMOTHY%20C), [Fayetteville, GA](https://openairdocs.org/faa-place/GA/Fayetteville)

## Related

- Other Tetra MK-5B aircraft: https://openairdocs.org/model/tetra-mk-5b/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.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.