# N250BL: 2021 Harris Mark G SOSA85

- Status: Valid registration
- Airframe: [Harris Mark G SOSA85](https://openairdocs.org/model/harris-mark-g-sosa85) (registry code 05639Y2, 1 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Serial number: B001
- Year built: 2021
- Type: Balloon
- Engine type: None
- Airworthiness: Experimental, amateur built
- Airworthiness date: July 1, 2021
- Certificate issued: June 22, 2024
- Expires: June 30, 2031
- Mode S code: A257A2
- Registered owners: [Harris Mark G](https://openairdocs.org/faa-owner/HARRIS%20MARK%20G), [Sosa Stephanie A](https://openairdocs.org/faa-owner/SOSA%20STEPHANIE%20A)
- Location: [Denver, CO](https://openairdocs.org/faa-place/CO/Denver)
- Owner type: Co-owned
- Owner's area on the map: 39.7314° N, 104.9828° W: Placed by OpenAirDocs at the center of ZIP code 80203, 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=250BL
- Page: https://openairdocs.org/aircraft/N250BL

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 (Harris Mark G SOSA85)

None in force.

### Matched by engine (NONE)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N250BL.

## FAA accident and incident reports

None matched to N250BL.

## 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 Harris Mark G SOSA85 aircraft: https://openairdocs.org/model/harris-mark-g-sosa85/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.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.