# N975M: 1931 Viking Flying Boat KITTY HAWK B-8

- Status: Valid registration
- Airframe: [Viking Flying Boat KITTY HAWK B-8](https://openairdocs.org/model/viking-flying-boat-kitty-hawk-b-8) (registry code 9520104, 3 seats)
- Engine: [Kinner R5 series](https://openairdocs.org/engine/kinner-r5-series) (registry code 37504)
- Data sheets: [TCDS ATC 392](https://openairdocs.org/tcds/ATC%20392) (Viking Flying Boat Company) (OpenAirDocs)
- Serial number: 28
- Year built: 1931
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Airworthiness date: April 3, 1959
- Certificate issued: February 9, 2012
- Expires: February 29, 2028
- Mode S code: AD974B
- Registered owner: [Coolbaugh Robert J](https://openairdocs.org/faa-owner/COOLBAUGH%20ROBERT%20J)
- Location: [New Market, VA](https://openairdocs.org/faa-place/VA/New%20Market)
- Owner type: Individual
- Owner's area on the map: 38.6616° N, 78.6581° W: Placed by OpenAirDocs at the center of ZIP code 22844, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=975M
- Page: https://openairdocs.org/aircraft/N975M

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 Kinner R5 model are included.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Viking Flying Boat KITTY HAWK B-8)

None in force.

### Matched by engine (Kinner R5 series)

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 NYC75FNC02](https://openairdocs.org/ntsb/NYC75FNC02), Jul 13, 1974: Viking B-8 (N975M), Laconia, NH, 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 19740713022649A](https://openairdocs.org/incident/19740713022649A), Jul 13, 1974: Viking KITTYHAWKB8 (N975M), Laconia, NH, Substantial damage. Acft float equipped had compete power loss. Made emerg ldg on farm,nosed over.

## 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) (1)

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 (Viking Flying Boat KITTY HAWK B-8)

- [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC

## Related

- Other Viking Flying Boat KITTY HAWK B-8 aircraft: https://openairdocs.org/model/viking-flying-boat-kitty-hawk-b-8/aircraft.md
- The Kinner R5 series engine: https://openairdocs.org/engine/kinner-r5-series.md

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