# N76H: Curtiss Wright ROBIN C-1

- Status: Valid registration
- Airframe: [Curtiss Wright ROBIN C-1](https://openairdocs.org/model/curtiss-wright-robin-c-1) (registry code 2620806, 3 seats)
- Engine: [Continental R670-SERIES series](https://openairdocs.org/engine/continental-r670-series-series) (registry code 17016)
- Data sheets: [TCDS ATC 143](https://openairdocs.org/tcds/ATC%20143) (Curtiss-Wright Corporation) (OpenAirDocs)
- Serial number: 446
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Airworthiness date: August 14, 1961
- Certificate issued: August 23, 2017
- Expires: August 31, 2027
- Mode S code: AA3FDE
- Registered owners: [Mcmahan Charles B](https://openairdocs.org/faa-owner/MCMAHAN%20CHARLES%20B), [Mcmahan Sandra L](https://openairdocs.org/faa-owner/MCMAHAN%20SANDRA%20L)
- Location: [Gakona, AK](https://openairdocs.org/faa-place/AK/Gakona)
- Owner type: Co-owned
- Owner's area on the map: 62.6910° N, 144.2373° W: Placed by OpenAirDocs at the center of ZIP code 99586, within about 24 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=76H
- Page: https://openairdocs.org/aircraft/N76H

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 Continental R670-SERIES model are included.

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

### Matched by airframe (Curtiss Wright ROBIN C-1)

None in force.

### Matched by engine (Continental R670-SERIES series)

- [AD 95-21-15](https://openairdocs.org/ad/95-21-15): Aviation Gasoline · Continental Motors A-65-8, C85-12F, C85-12FJ and 77 more. Effective Nov 28, 1995

### Historical (superseded or no longer in force)

- [AD 94-14-12](https://openairdocs.org/ad/94-14-12) (historical): Octane Aviation Gasoline · Teledyne Continental Motors A-65-8, C85-12, E185-11 and 68 more

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N76H.

## FAA accident and incident reports

None matched to N76H.

## 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) (5)

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 (Curtiss Wright ROBIN C-1)

- [STC SA01406NY](https://openairdocs.org/stc/SA01406NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K017 on single and multi-engine fixed light aircraft and rotary wing. Airwolf Filter Corporation
- [STC SA3277WE](https://openairdocs.org/stc/SA3277WE): Installation of wood truss type wing ribs in place of original aluminum ribs. Walter Lane Tufts

### Approved for the engine (Continental R670-SERIES 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 R-670-B
- [STC SA4005NM](https://openairdocs.org/stc/SA4005NM): Precise Flight Inc. Pulselite Control System. Precise Flight Inc. Lists R-670-B
- [STC SE5879SW](https://openairdocs.org/stc/SE5879SW): Use of Phillips X/C II 20W-50 and25W-60 oil (OSS 55875) in all Avco reciprocating aircraft engines from 65 to 450 BHP. Phillips Petroleum Co

## Related

- Other Curtiss Wright ROBIN C-1 aircraft: https://openairdocs.org/model/curtiss-wright-robin-c-1/aircraft.md
- The Continental R670-SERIES series engine: https://openairdocs.org/engine/continental-r670-series-series.md

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