# N9597: Enstrom F-28A, registration cancelled 1991-04-25

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 25, 1991
- Status when cancelled: Triennial form not returned
- Airframe: [Enstrom F-28A](https://openairdocs.org/model/enstrom-f-28a) (registry code 3300406)
- Data sheets: [TCDS H1CE](https://openairdocs.org/tcds/H1CE) (OpenAirDocs)
- Serial number: 145
- Type of aircraft: Rotorcraft
- Certificate issued: April 12, 1975
- Last registry action: January 31, 1991
- Mode S code: AD5963
- Owners when cancelled: [Zahuranec William J](https://openairdocs.org/faa-owner/ZAHURANEC%20WILLIAM%20J), [Zahuranec Shirley J](https://openairdocs.org/faa-owner/ZAHURANEC%20SHIRLEY%20J)
- Location: [Warrensville Hgts, OH](https://openairdocs.org/faa-place/OH/Warrensville%20Hgts)
- Owner type: Co-owned
- Owner's area on the map: 41.4399° N, 81.5385° W: Placed by OpenAirDocs at the center of ZIP code 44128, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N9597
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9597
- Page: https://openairdocs.org/deregistered/N9597-1991-04-25

From the FAA registry file of November 12, 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 Enstrom F-28A: https://openairdocs.org/model/enstrom-f-28a.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 NYC90LA200](https://openairdocs.org/ntsb/NYC90LA200), Aug 24, 1990: Enstrom F-28A (N9597), Ravenna, OH, substantial damage. Probable cause: A POWER LOSS, DUE TO CONTAMINATION FROM DETERIORATING FUEL TANK SEALANT, AND THE PILOT'S FAILURE TO NOTICE THE CONTAMINATION DURING PREFLIGHT.

## FAA accident and incident reports (2)

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 19900824036249A](https://openairdocs.org/incident/19900824036249A), Aug 24, 1990: Enstrm F28A (N9597), Ravenna, OH, Substantial damage. Engine lost power shortly after takeoff. Rotors hit uneven ground landing. Fuel contaminated by fuel cell sealant.
- [Incident 19780214006589I](https://openairdocs.org/incident/19780214006589I), Feb 14, 1978: Enstrm F28A (N9597), Stow, OH, Minor damage. Instructor demonstrating an autorotation. Struck runway with the tail rotor.

## Other aircraft with N9597

- [Registered now](https://openairdocs.org/aircraft/N9597): Diamond Aircraft Ind DA 40 NG, S/N 40.NC241, built 2023
- [Cancelled 1948-07-14](https://openairdocs.org/deregistered/N9597-1948-07-14): Waco GXE, S/N 1608. Owner: [Scharf Philip Daniel](https://openairdocs.org/faa-owner/SCHARF%20PHILIP%20DANIEL), [Center Line, MI](https://openairdocs.org/faa-place/MI/Center%20Line)

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