# N4893: 1969 Enstrom F-28A, registration cancelled 2012-08-08

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 8, 2012
- Status when cancelled: Revoked, canceled
- Airframe: [Enstrom F-28A](https://openairdocs.org/model/enstrom-f-28a) (registry code 3300406)
- Engine: [Lycoming HO-360 series](https://openairdocs.org/engine/lycoming-ho-360-series) (registry code 41513)
- Data sheets: [TCDS H1CE](https://openairdocs.org/tcds/H1CE), [TCDS E-286](https://openairdocs.org/tcds/E-286) (OpenAirDocs)
- Serial number: 045
- Year built: 1969
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard
- Certificate issued: January 3, 1974
- Last registry action: June 18, 1977
- Mode S code: A60CC9
- Owner when cancelled: [D & H Helicopter & Enterprises Inc](https://openairdocs.org/faa-owner/D%20%26%20H%20HELICOPTER%20%26%20ENTERPRISES%20INC)
- Location: [San Francisco, CA](https://openairdocs.org/faa-place/CA/San%20Francisco)
- Owner type: Corporation
- Owner's area on the map: 37.7585° N, 122.3995° W: Placed by OpenAirDocs at the center of ZIP code 94107, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4893
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4893
- Page: https://openairdocs.org/deregistered/N4893-2012-08-08

From the FAA registry file of October 28, 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 OAK76FVM01](https://openairdocs.org/ntsb/OAK76FVM01), Jul 5, 1975: Enstrom F28A (N4893), San Francisco, CA, 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 19750705019359A](https://openairdocs.org/incident/19750705019359A), Jul 5, 1975: Enstrm F28A (N4893), San Francisco, CA, Substantial damage. Local sightseeing flt. Tail boom attach bolt failed.

## Other aircraft with N4893

- [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N4893-undated): International F-17, S/N 33. Owner: [International Aircraft Corp](https://openairdocs.org/faa-owner/INTERNATIONAL%20AIRCRAFT%20CORP), [Cincinnati, OH](https://openairdocs.org/faa-place/OH/Cincinnati)

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