# N4210A: 1991 Kennedy H F Ken SAG 1000

- Status: Valid registration
- Airframe: [Kennedy H F Ken SAG 1000](https://openairdocs.org/model/kennedy-h-f-ken-sag-1000) (registry code 05637DX, 1 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Serial number: KY1
- Year built: 1991
- Type: Balloon
- Engine type: None
- Airworthiness: Experimental, amateur built
- Airworthiness date: November 5, 1991
- Certificate issued: February 20, 2004
- Expires: July 31, 2029
- Mode S code: A501AF
- Registered owner: [Mastis Linas V](https://openairdocs.org/faa-owner/MASTIS%20LINAS%20V)
- Location: [West Bloomfield, MI](https://openairdocs.org/faa-place/MI/West%20Bloomfield)
- Owner type: Individual
- Owner's area on the map: 42.5378° N, 83.3845° W: Placed by OpenAirDocs at the center of ZIP code 48322, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4210A
- Page: https://openairdocs.org/aircraft/N4210A

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 (Kennedy H F Ken SAG 1000)

None in force.

### Matched by engine (NONE)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N4210A.

## NTSB investigations on N4210A 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 DIA68F0017](https://openairdocs.org/ntsb/DIA68F0017), Jun 1, 1967: Boeing YL-15 (N4210A), Westminster, MD, substantial damage

## FAA accident and incident reports

None matched to N4210A.

## 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 N4210A

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N4210A before.

- [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N4210A-undated): Boeing YL-15, S/N 47429. Triennial form not returned

## Related

- Other Kennedy H F Ken SAG 1000 aircraft: https://openairdocs.org/model/kennedy-h-f-ken-sag-1000/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.md

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