# N74840: 1952 Sikorsky S-52-3

- Status: Valid registration
- Airframe: [Sikorsky S-52-3](https://openairdocs.org/model/sikorsky-s-52-3) (registry code 8141306, 4 seats)
- Engine: [Franklin 6V6 series](https://openairdocs.org/engine/franklin-6v6-series) (registry code 27036)
- Data sheets: [TCDS 1H2](https://openairdocs.org/tcds/1H2) (Vertical Aviation Technologies Inc.) (OpenAirDocs)
- Serial number: 52041
- Year built: 1952
- Type: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard
- Airworthiness date: July 9, 1962
- Certificate issued: April 17, 2002
- Expires: January 31, 2030
- Mode S code: AA133F
- Registered owner: [Orlando Helicopter Airways Inc](https://openairdocs.org/faa-owner/ORLANDO%20HELICOPTER%20AIRWAYS%20INC)
- Location: [Deland, FL](https://openairdocs.org/faa-place/FL/Deland)
- Owner type: Corporation
- Owner's area on the map: 29.0572° N, 81.2256° W: Placed by OpenAirDocs at the center of ZIP code 32724, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=74840
- Page: https://openairdocs.org/aircraft/N74840

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 6V6 model are included.

## ADs that may apply (OpenAirDocs): 1 in force

### Matched by airframe (Sikorsky S-52-3)

- [AD 60-19-01](https://openairdocs.org/ad/60-19-01): Component Lines · Sikorsky S-52-3

### Matched by engine (Franklin 6V6 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N74840.

## 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.

- [Incident 19930604021649I](https://openairdocs.org/incident/19930604021649I), Jun 4, 1993: Skrsky S523 (N74840), Sanford, FL, Minor damage. Partial loss of power after liftoff. Attemped 180 degree turn to ramp. Made a hard landing. Found faulty carburetor

## 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) (4)

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 airframe (Sikorsky S-52-3)

- [STC SH3319NM](https://openairdocs.org/stc/SH3319NM): Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,. Precise Flight Inc
- [STC SR02704SE](https://openairdocs.org/stc/SR02704SE): Installation and maintenance of the Sunspot 36 and 46 series lights. AeroLED's Holdings LLC
- [STC SR00359BO](https://openairdocs.org/stc/SR00359BO): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies
- [STC SR02394AK](https://openairdocs.org/stc/SR02394AK): Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system. Seaplanes North LLC

## Related

- Other Sikorsky S-52-3 aircraft: https://openairdocs.org/model/sikorsky-s-52-3/aircraft.md
- The Franklin 6V6 series engine: https://openairdocs.org/engine/franklin-6v6-series.md

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