# N3771W: 1980 Williams Flying Service OH13H/TOMCAT MK5A, registration cancelled 2013-06-04

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 4, 2013
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Williams Flying Service OH13H/TOMCAT MK5A](https://openairdocs.org/model/williams-flying-service-oh13h-tomcat-mk5a) (registry code 1302760)
- Engine: [Lycoming VO-435 series](https://openairdocs.org/engine/lycoming-vo-435-series) (registry code 41525)
- Data sheets: [TCDS E-279](https://openairdocs.org/tcds/E-279) (OpenAirDocs)
- Serial number: WFS80-1
- Year built: 1980
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: July 8, 1980
- Certificate issued: June 1, 1994
- Last registry action: May 19, 2009
- Mode S code: A4505C
- Owner when cancelled: [A A C Flying Service](https://openairdocs.org/faa-owner/A%20A%20C%20FLYING%20SERVICE)
- Location: [Walnut Ridge, AR](https://openairdocs.org/faa-place/AR/Walnut%20Ridge)
- Owner type: Corporation
- Owner's area on the map: 36.0461° N, 90.9168° W: Placed by OpenAirDocs at the center of ZIP code 72476, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N3771W
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3771W
- Page: https://openairdocs.org/deregistered/N3771W-2013-06-04

From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Williams Flying Service OH13H/TOMCAT MK5A: https://openairdocs.org/model/williams-flying-service-oh13h-tomcat-mk5a.md

## 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 FTW95LA310](https://openairdocs.org/ntsb/FTW95LA310), Jul 21, 1995: Williams Bell OH13H/Tomcat MK5A (N3771W), Alicia, AR, substantial damage. Probable cause: THE PILOT'S FAILURE TO REMOVE THE REFUELING HOSE. A FACTOR WAS THAT HE DIVERTED HIS ATTENTION FROM THE REFUELING OPERATION.

## 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 19950721019309A](https://openairdocs.org/incident/19950721019309A), Jul 21, 1995: Bell OH13H (N3771W), Alicia, AR, Substantial damage. During fueling helicopter. Walked away. Failed remove hose. Then tried take off hose attached. Hit parked pickup.

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