# N122C: 1942 Boeing N2S-5

- Status: Valid registration
- Airframe: [Boeing N2S-5](https://openairdocs.org/model/boeing-n2s-5) (registry code 1380124, 2 seats)
- Engine: [Lycoming R680-4P-B4](https://openairdocs.org/engine/lycoming-r680-4p-b4) (registry code 41542)
- Serial number: 75-8648
- Year built: 1942
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Airworthiness date: September 14, 1964
- Certificate issued: June 17, 2005
- Expires: January 31, 2028
- Mode S code: A05B52
- Registered owner: [Williams Robert M](https://openairdocs.org/faa-owner/WILLIAMS%20ROBERT%20M)
- Location: [Red Hook, NY](https://openairdocs.org/faa-place/NY/Red%20Hook)
- Owner type: Individual
- Owner's area on the map: 42.0030° N, 73.8098° W: Placed by OpenAirDocs at the center of ZIP code 12571, 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=122C
- Page: https://openairdocs.org/aircraft/N122C

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 (Boeing N2S-5)

None in force.

### Matched by engine (Lycoming R680-4P-B4)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N122C.

## FAA accident and incident reports

None matched to N122C.

## Service difficulty reports (1)

As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR LC1R201605230001](https://openairdocs.org/sdr/LC1R201605230001), May 23, 2016: PISTON. DAMAGED. DURING A PREPURCHASE INSPECTION, A BORESCOPE INSPECTION OF ALL CYLINDERS WAS PERFORMED. FOUND EVIDENCE OF AN EXHAUST VALVE STRIKE ON THE PISTON OF NR 5 CYLINDER

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Related

- Other Boeing N2S-5 aircraft: https://openairdocs.org/model/boeing-n2s-5/aircraft.md
- The Lycoming R680-4P-B4 engine: https://openairdocs.org/engine/lycoming-r680-4p-b4.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.