# N2938: 1970 Robertson SCHREDER HP-11A

- Status: Valid registration
- Airframe: [Robertson SCHREDER HP-11A](https://openairdocs.org/model/robertson-schreder-hp-11a) (registry code 0560322, 1 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Serial number: 20
- Year built: 1970
- Type: Glider
- Engine type: None
- Airworthiness: Experimental, amateur built
- Airworthiness date: July 11, 1972
- Certificate issued: November 3, 1970
- Expires: January 31, 2029
- Mode S code: A3040F
- Registered owner: [Robertson Raymond A](https://openairdocs.org/faa-owner/ROBERTSON%20RAYMOND%20A)
- Location: [Potsdam, NY](https://openairdocs.org/faa-place/NY/Potsdam)
- Owner type: Individual
- Owner's area on the map: 44.6555° N, 74.9102° W: Placed by OpenAirDocs at the center of ZIP code 13676, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=2938
- Page: https://openairdocs.org/aircraft/N2938

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 (Robertson SCHREDER HP-11A)

None in force.

### Matched by engine (NONE)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N2938.

## FAA accident and incident reports

None matched to N2938.

## 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 N2938

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N2938 before.

- [Cancelled 1930-03-14](https://openairdocs.org/deregistered/N2938-1930-03-14): Waco/Pokorski WACO YPF-7, S/N 7. Owner: [Grimes Louis](https://openairdocs.org/faa-owner/GRIMES%20LOUIS), [Commerce, OK](https://openairdocs.org/faa-place/OK/Commerce)

## Related

- Other Robertson SCHREDER HP-11A aircraft: https://openairdocs.org/model/robertson-schreder-hp-11a/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.
