# N2WS: 1952 Canadian Car & Foundry HARVARD MK IV

- Status: Valid registration
- Airframe: [Canadian Car & Foundry HARVARD MK IV](https://openairdocs.org/model/canadian-car-foundry-harvard-mk-iv) (registry code 1922828, 2 seats)
- Engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016)
- Serial number: CCF-4-179
- Year built: 1952
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, exhibition
- Airworthiness date: June 6, 1972
- Certificate issued: January 10, 2019
- Expires: January 31, 2029
- Mode S code: A18F56
- Registered owner: [Sieders Patrick J](https://openairdocs.org/faa-owner/SIEDERS%20PATRICK%20J)
- Location: [Nashville, TN](https://openairdocs.org/faa-place/TN/Nashville)
- Owner type: Individual
- Owner's area on the map: 36.0670° N, 86.7234° W: Placed by OpenAirDocs at the center of ZIP code 37211, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=2WS
- Page: https://openairdocs.org/aircraft/N2WS

From the FAA registry file of October 21, 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. The registry lists only the engine series, so ADs for every Pratt & Whitney R1340 model are included.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Canadian Car & Foundry HARVARD MK IV)

None in force.

### Matched by engine (Pratt & Whitney R1340 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N2WS.

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 19870711055251I](https://openairdocs.org/incident/19870711055251I), Jul 11, 1987: Namer HARVARDMK4 (N2WS), Detroit, MI, Minor damage. Taxied into empenage of a AT6 N29940 that was ahead on thesame taxiway.

## Service difficulty reports

None filed for this aircraft.

## Related

- Other Canadian Car & Foundry HARVARD MK IV aircraft: https://openairdocs.org/model/canadian-car-foundry-harvard-mk-iv/aircraft.md
- STCs for the Canadian Car & Foundry HARVARD MK IV: https://openairdocs.org/model/canadian-car-foundry-harvard-mk-iv/stcs.md
- The Pratt & Whitney R1340 series engine: https://openairdocs.org/engine/pratt-whitney-r1340-series.md

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