# N1931S: Carden Richard Otis GLASTAR

- Status: Valid registration
- Airframe: [Carden Richard Otis GLASTAR](https://openairdocs.org/model/carden-richard-otis-glastar) (registry code 05611P4, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 5392
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Stoddard Hamilton GLASTAR
- Airworthiness: Experimental, amateur built, operating kit built
- Airworthiness date: April 8, 2002
- Certificate issued: December 23, 2019
- Expires: December 31, 2029
- Mode S code: A175DC
- Registered owner: [Portman Lance Nigel](https://openairdocs.org/faa-owner/PORTMAN%20LANCE%20NIGEL)
- Location: [Morgan Hill, CA](https://openairdocs.org/faa-place/CA/Morgan%20Hill)
- Owner type: Individual
- Owner's area on the map: 37.1318° N, 121.6812° W: Placed by OpenAirDocs at the center of ZIP code 95037, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1931S
- Page: https://openairdocs.org/aircraft/N1931S

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 (Carden Richard Otis GLASTAR)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N1931S.

## FAA accident and incident reports

None matched to N1931S.

## 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 Carden Richard Otis GLASTAR aircraft: https://openairdocs.org/model/carden-richard-otis-glastar/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.