# N51684: 1977 Enstrom F-28C, registration cancelled 2013-04-01

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 1, 2013
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Enstrom F-28C](https://openairdocs.org/model/enstrom-f-28c) (registry code 3300407)
- Engine: [Lycoming HIO-360 series](https://openairdocs.org/engine/lycoming-hio-360-series) (registry code 41524)
- Data sheets: [TCDS H1CE](https://openairdocs.org/tcds/H1CE), [TCDS 1E10](https://openairdocs.org/tcds/1E10) (OpenAirDocs)
- Serial number: 409
- Year built: 1977
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Multiple
- Airworthiness date: August 9, 1982
- Certificate issued: April 13, 1982
- Last registry action: March 23, 1991
- Mode S code: A67B46
- Owner when cancelled: [Hileman Randall L](https://openairdocs.org/faa-owner/HILEMAN%20RANDALL%20L)
- Location: [Mcdonald, KS](https://openairdocs.org/faa-place/KS/Mcdonald)
- Owner type: Individual
- Owner's area on the map: 39.8076° N, 101.3454° W: Placed by OpenAirDocs at the center of ZIP code 67745, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N51684
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=51684
- Page: https://openairdocs.org/deregistered/N51684-2013-04-01

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 Enstrom F-28C: https://openairdocs.org/model/enstrom-f-28c.md

## NTSB investigations (2)

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 LAX83FA266](https://openairdocs.org/ntsb/LAX83FA266), Jun 7, 1983: Enstrom F28C (N51684), Mesa, AZ, destroyed
- [NTSB CHI78FEX16](https://openairdocs.org/ntsb/CHI78FEX16), May 8, 1978: Enstrom F28C (N51684), Wheatland, IN, substantial damage

## 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 19830607022289A](https://openairdocs.org/incident/19830607022289A), Jun 7, 1983: Enstrm F28C (N51684), Mesa, AZ, Destroyed. Indicates pilot unfamiliar with type. Allowed rotor RPM decay on climbout. Made hard semiautorotation landing.
- [Accident 19780508012909A](https://openairdocs.org/incident/19780508012909A), May 8, 1978: Enstrm 280 (N51684), Wheatland, IN, Substantial damage

## Other aircraft with N51684

- [Cancelled 1955-10-11](https://openairdocs.org/deregistered/N51684-1955-10-11): Fairchild M-62A, S/N T42-23320. Owner: [Joiner Robert L Kenneth A Patsch](https://openairdocs.org/faa-owner/JOINER%20ROBERT%20L%20KENNETH%20A%20PATSCH), [Sandusky, OH](https://openairdocs.org/faa-place/OH/Sandusky)

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