# N18984: 1938 Robinson Sailplane JR-5

- Status: Valid registration
- Airframe: [Robinson Sailplane JR-5](https://openairdocs.org/model/robinson-sailplane-jr-5) (registry code 056033B, 1 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Serial number: JR5
- Year built: 1938
- Type: Glider
- Engine type: None
- Airworthiness: Experimental, exhibition
- Airworthiness date: June 2, 2021
- Certificate issued: May 8, 2002
- Expires: April 30, 2030
- Mode S code: A165A8
- Registered owners: [Fronius Douglas L](https://openairdocs.org/faa-owner/FRONIUS%20DOUGLAS%20L), [Fronius Mae T](https://openairdocs.org/faa-owner/FRONIUS%20MAE%20T)
- Location: [Poway, CA](https://openairdocs.org/faa-place/CA/Poway)
- Owner type: Co-owned
- Owner's area on the map: 32.9848° N, 117.0127° W: Placed by OpenAirDocs at the center of ZIP code 92064, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=18984
- Page: https://openairdocs.org/aircraft/N18984

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 (Robinson Sailplane JR-5)

None in force.

### Matched by engine (NONE)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N18984.

## NTSB investigations on N18984 not matched to an aircraft (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ANC67D0007](https://openairdocs.org/ntsb/ANC67D0007), Jul 1, 1966: Cessna 172 (N18984), Delta Junctn, AK, destroyed

## FAA accident and incident reports

None matched to N18984.

## 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 Robinson Sailplane JR-5 aircraft: https://openairdocs.org/model/robinson-sailplane-jr-5/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.