# N777BT: 1943 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-4-88
- Year built: 1943
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, exhibition
- Airworthiness date: May 24, 2006
- Certificate issued: August 21, 2021
- Expires: August 31, 2028
- Mode S code: AA8333
- Registered owner: [Nikodem James E](https://openairdocs.org/faa-owner/NIKODEM%20JAMES%20E)
- Location: [Crystal Lake, IL](https://openairdocs.org/faa-place/IL/Crystal%20Lake)
- Owner type: Individual
- Owner's area on the map: 42.2303° N, 88.3297° W: Placed by OpenAirDocs at the center of ZIP code 60014, 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=777BT
- Page: https://openairdocs.org/aircraft/N777BT

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. 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 N777BT.

## FAA accident and incident reports (2)

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

- [Incident 19931113047749I](https://openairdocs.org/incident/19931113047749I), Nov 13, 1993: Namer HARVARDMK4 (N777BT), Denver, CO, Minor damage. Pilot forgot to lower landing gear. Landed gear up.
- [Incident 19830103002519I](https://openairdocs.org/incident/19830103002519I), Jan 3, 1983: Namer HARVARDMK4 (N777BT), Coffeyville, KS, Minor damage. Left main gear failed to lock down and collapsed on landing. Retract cylinder rod broken.

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