# N4924C: 1960 Continental Copters TOMCAT MK5A

- Status: Valid registration
- Airframe: [Continental Copters TOMCAT MK5A](https://openairdocs.org/model/continental-copters-tomcat-mk5a) (registry code 2390101, 3 seats)
- Engine: [Franklin 6V4 series](https://openairdocs.org/engine/franklin-6v4-series) (registry code 27033)
- Data sheets: [TCDS H5SW](https://openairdocs.org/tcds/H5SW) (Scott's-Bell 47 Inc), [TCDS E-244](https://openairdocs.org/tcds/E-244) (Franklin Sp. z.o.o.) (OpenAirDocs)
- Serial number: 2
- Year built: 1960
- Type: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: May 3, 1961
- Certificate issued: October 31, 2006
- Expires: January 31, 2029
- Mode S code: A61A6D
- Registered owner: [Britton John E](https://openairdocs.org/faa-owner/BRITTON%20JOHN%20E)
- Location: [Emmett, ID](https://openairdocs.org/faa-place/ID/Emmett)
- Owner type: Individual
- Owner's area on the map: 43.9368° N, 116.5052° W: Placed by OpenAirDocs at the center of ZIP code 83617, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4924C
- Page: https://openairdocs.org/aircraft/N4924C

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 Franklin 6V4 model are included.

## ADs that may apply (OpenAirDocs): 2 in force

### Matched by airframe (Continental Copters TOMCAT MK5A)

None in force.

### Matched by engine (Franklin 6V4 series)

- [AD 69-09-01](https://openairdocs.org/ad/69-09-01): Eisemann Magnetos · Eisemann Magnetos, 2A4-45-B2, 2A4-49-B2 and 158 more
- [AD 51-28-02](https://openairdocs.org/ad/51-28-02): Oil Pump Gears · Wytwornia Sprzetu Komunikacyjnego 6V4-178-B3, 6V4-178-B31, 6V4-178-B32 and 3 more

## Information bulletins (advisory)

None matched.

## NTSB investigations (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 FTW75DPG70](https://openairdocs.org/ntsb/FTW75DPG70), May 26, 1975: Tomcat MK-5 (N4924C), Corning, AR, substantial damage

## NTSB investigations on N4924C 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 NYC67A0185](https://openairdocs.org/ntsb/NYC67A0185), Jun 23, 1967: Bell 47D1 (N4924C), Pleasantville, PA, substantial damage

## 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, 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.

- [Accident 19750526013239A](https://openairdocs.org/incident/19750526013239A), May 26, 1975: Bell 47G (N4924C), Corning, AR, Substantial damage

## 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) (6)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the engine (Franklin 6V4 series)

- [STC SE04651CH](https://openairdocs.org/stc/SE04651CH): To allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22. Swift Fuels LLC. Lists 6V4-200-C32
- [STC SE2932SW](https://openairdocs.org/stc/SE2932SW): Install carburetor air temperature indicator. Approved for Aircooled Motors (Franklin Engine Co.) equipped with float carburetors. Model eligibility included here may not be inclusive. Alcor LLC. Lists 6V4-178-B3
- [STC SE1311SO](https://openairdocs.org/stc/SE1311SO): Installation of Shivers carburetor temperature gauge with a Richter Aero Equipment B-5 carburetor temperature probe. LegacySTC.com. Lists 6V4-178-B3
- [STC SE03309CH](https://openairdocs.org/stc/SE03309CH): Installation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt application. Hartzell Propeller Inc. Lists 6V4-178-B3
- [STC SE01966WI](https://openairdocs.org/stc/SE01966WI): Use of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft engines. General Aviation Modifications Inc. Lists 6V4-178-B3
- [STC SE1-201](https://openairdocs.org/stc/SE1-201): Installation of the Richter Aero Equipment Type B-4 or B-5 Temperature Probe. (O-360 SERIES (excl. A1C, C2B, C2D)). MidContinent Instru Co Inc. Lists 6V4-178-B3

## Related

- Other Continental Copters TOMCAT MK5A aircraft: https://openairdocs.org/model/continental-copters-tomcat-mk5a/aircraft.md
- The Franklin 6V4 series engine: https://openairdocs.org/engine/franklin-6v4-series.md

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