# N1940R: 1940 Ryan STM-2

- Status: Valid registration
- Airframe: [Ryan STM-2](https://openairdocs.org/model/ryan-stm-2) (registry code 05642QT, 2 seats)
- Engine: [Menasco PIRATE D4-87](https://openairdocs.org/engine/menasco-pirate-d4-87) (registry code 43523)
- Serial number: 494
- Year built: 1940
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, exhibition
- Airworthiness date: February 10, 2017
- Certificate issued: June 25, 2024
- Expires: June 30, 2031
- Mode S code: A1796F
- Registered owner: [Fisher Kurt](https://openairdocs.org/faa-owner/FISHER%20KURT)
- Location: [San Luis Obispo, CA](https://openairdocs.org/faa-place/CA/San%20Luis%20Obispo)
- Owner type: Individual
- Owner's area on the map: 35.2359° N, 120.6160° W: Placed by OpenAirDocs at the center of ZIP code 93401, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1940R
- Page: https://openairdocs.org/aircraft/N1940R

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 (Ryan STM-2)

None in force.

### Matched by engine (Menasco PIRATE D4-87)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N1940R.

## FAA accident and incident reports

None matched to N1940R.

## 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 N1940R

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N1940R before.

- [Cancelled 2009-06-25](https://openairdocs.org/deregistered/N1940R-2009-06-25): Raven S-50A, S/N S50A-147. Registration revoked. Owner: [World Wide Balloon Promotions](https://openairdocs.org/faa-owner/WORLD%20WIDE%20BALLOON%20PROMOTIONS), [Elm Grove, WI](https://openairdocs.org/faa-place/WI/Elm%20Grove)

## Related

- Other Ryan STM-2 aircraft: https://openairdocs.org/model/ryan-stm-2/aircraft.md
- The Menasco PIRATE D4-87 engine: https://openairdocs.org/engine/menasco-pirate-d4-87.md

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