# N79AR: Sikorsky CH34C

- Status: Valid registration
- Airframe: [Sikorsky CH34C](https://openairdocs.org/model/sikorsky-ch34c) (registry code 8141815, 15 seats)
- Engine: [Wright 1820G102 105](https://openairdocs.org/engine/wright-1820g102-105) (registry code 67026)
- Data sheets: [TCDS H8SW](https://openairdocs.org/tcds/H8SW) (Consolidated Air Crane Inc.) (OpenAirDocs)
- Serial number: 57-1709
- Type: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: September 20, 1976
- Certificate issued: July 20, 2015
- Expires: July 31, 2028
- Mode S code: AAB5BC
- Registered owner: [Vi 1 LLC](https://openairdocs.org/faa-owner/VI%201%20LLC)
- Location: [Brewster, WA](https://openairdocs.org/faa-place/WA/Brewster)
- Owner type: LLC
- Owner's area on the map: 48.1315° N, 119.8060° W: Placed by OpenAirDocs at the center of ZIP code 98812, 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=79AR
- Page: https://openairdocs.org/aircraft/N79AR

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): 1 in force

### Matched by airframe (Sikorsky CH34C)

- [AD 95-26-09](https://openairdocs.org/ad/95-26-09): Main Rotor Shaft · Consolidated Air Crane CH34A, CH34C, HSS-1N/UH-34J and 12 more. Effective Jan 4, 1996

### Matched by engine (Wright 1820G102 105)

None in force.

## 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 OAK78FVG30](https://openairdocs.org/ntsb/OAK78FVG30), May 2, 1978: Sikorsky S-58 (N79AR), Kelseyville, CA, 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 19780502011029A](https://openairdocs.org/incident/19780502011029A), May 2, 1978: Skrsky S58E (N79AR), Kelseyville, CA, Substantial damage. Eng quit when boost pump turned off at 250FT AGL.flt manual statemp should be on blo 2000FT.

## 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 CH34C)

- [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 CH34C aircraft: https://openairdocs.org/model/sikorsky-ch34c/aircraft.md
- The Wright 1820G102 105 engine: https://openairdocs.org/engine/wright-1820g102-105.md

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