# N493H: 1975 Enstrom 280, registration cancelled 2012-12-18

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 18, 2012
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Enstrom 280](https://openairdocs.org/model/enstrom-280) (registry code 3300502)
- Engine: [Lycoming I0-360 series](https://openairdocs.org/engine/lycoming-i0-360-series) (registry code 41558)
- Data sheets: [TCDS H1CE](https://openairdocs.org/tcds/H1CE), [TCDS 1E10](https://openairdocs.org/tcds/1E10) (OpenAirDocs)
- Serial number: 1014
- Year built: 1975
- Type of aircraft: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Standard, normal
- Airworthiness date: June 27, 1975
- Certificate issued: June 18, 1984
- Last registry action: July 15, 2008
- Mode S code: A61BEC
- Owner when cancelled: [Ami Incorporated](https://openairdocs.org/faa-owner/AMI%20INCORPORATED)
- Location: [West Chester, PA](https://openairdocs.org/faa-place/PA/West%20Chester)
- Owner type: Corporation
- Owner's area on the map: 39.9874° N, 75.6029° W: Placed by OpenAirDocs at the center of ZIP code 19380, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N493H
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=493H
- Page: https://openairdocs.org/deregistered/N493H-2012-12-18

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 280: https://openairdocs.org/model/enstrom-280.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 NYC90LA090](https://openairdocs.org/ntsb/NYC90LA090), Apr 22, 1990: Enstrom 280 (N493H), Thornton, PA, substantial damage. Probable cause: FAILURE TO ATTAIN A PROPER CLIMB RATE AFTER TAKEOFF FROM A CONFINED AREA. FACTORS INCLUDE GUSTY WINDS AND HIGH OBSTRUCTIONS.

## 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 19900422011739A](https://openairdocs.org/incident/19900422011739A), Apr 22, 1990: Enstrm 280 (N493H), Thornton, PA, Substantial damage. Departing a confined Private helipad,struck trees. Gusty wind and near gross weight contributed.

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