# N50WK: Adams Balloon A50S

- Status: Valid registration
- Airframe: [Adams Balloon A50S](https://openairdocs.org/model/adams-balloon-a50s) (registry code 0050101)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Data sheets: [TCDS A15SO](https://openairdocs.org/tcds/A15SO) (Adams Aerostats LLC) (OpenAirDocs)
- Serial number: 027
- Type: Balloon
- Engine type: None
- Airworthiness: Standard, balloon
- Airworthiness date: July 15, 1978
- Certificate issued: March 7, 2023
- Expires: March 31, 2030
- Mode S code: A63995
- Registered owner: [Kinser Aviation LLC](https://openairdocs.org/faa-owner/KINSER%20AVIATION%20LLC)
- Location: [Guthrie, OK](https://openairdocs.org/faa-place/OK/Guthrie)
- Owner type: LLC
- Owner's area on the map: 35.8679° N, 97.4344° W: Placed by OpenAirDocs at the center of ZIP code 73044, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=50WK
- Page: https://openairdocs.org/aircraft/N50WK

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): 2 in force

### Matched by airframe (Adams Balloon A50S)

- [AD 2013-03-10](https://openairdocs.org/ad/2013-03-10): Hardware · Aeronaut Instruction Research Skysailor 105, Skysailor 90, 110C and 439 more. Effective Mar 19, 2013
- [AD 75-12-08](https://openairdocs.org/ad/75-12-08): Throttle or Trigger Valves · McGrath, Michael D. A-60S, A-B, A50S and 41 more. Effective Apr 30, 1976

### Matched by engine (NONE)

None in force.

## Information bulletins (advisory) (1 in force)

- [SAIB CE-11-44](https://openairdocs.org/saib/CE-11-44): Fuel: Cylinder Strap Installation. Issued Jul 13, 2011

## NTSB investigations

None matched to N50WK.

## FAA accident and incident reports

None matched to N50WK.

## 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) (5)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Adams Balloon A50S)

- [STC SB09657RC](https://openairdocs.org/stc/SB09657RC): Installation of Aircraft Position Lights. Albuquerque Balloon Center, Inc
- [STC SB02133LA](https://openairdocs.org/stc/SB02133LA): Installation of the Head Balloons model AX8-88b and Head DBII Burner. Aeronautical Enterprises Inc
- [STC SL898SO](https://openairdocs.org/stc/SL898SO): Modification of Model A50S hot air balloon by adding 2 appendages to the envelope and an additional burner. McGrath Michael D
- [STC SB02889AT](https://openairdocs.org/stc/SB02889AT): Installation of replacement vapor and liquid fuel hoses including associated fittings. Aeronautical Enterprises Inc
- [STC SB09065SC](https://openairdocs.org/stc/SB09065SC): Install Thunder & Colt basket, burner, and fuel tanks. Gauthier Guy G

## Related

- Other Adams Balloon A50S aircraft: https://openairdocs.org/model/adams-balloon-a50s/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.md

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