# N552CS: 1978 Enstrom F-28C, registration cancelled 2012-12-11

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 11, 2012
- Status when cancelled: Sale reported, canceled
- 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: 437
- Year built: 1978
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Multiple
- Airworthiness date: February 5, 1980
- Last registry action: April 4, 2005
- Mode S code: A7071C
- Location: [Longmont, CO](https://openairdocs.org/faa-place/CO/Longmont)
- Owner type: Individual
- Owner's area on the map: 40.1656° N, 105.0292° W: Placed by OpenAirDocs at the center of ZIP code 80504, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N552CS
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=552CS
- Page: https://openairdocs.org/deregistered/N552CS-2012-12-11

From the FAA registry file of October 27, 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 DEN03LA018](https://openairdocs.org/ntsb/DEN03LA018), Nov 23, 2002: Enstrom F-28C (N552CS), Morrison, CO, substantial damage. Probable cause: the pilot not maintaining clearance from the telephone lines during landing. Factors contributing to the accident were the pilot not being able to see the telephone lines, the low altitude, and the…
- [NTSB LAX89LA044](https://openairdocs.org/ntsb/LAX89LA044), Nov 16, 1988: Enstrom F-28C (N552CS), Inyokern, CA, destroyed

## 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 20021122033139A](https://openairdocs.org/incident/20021122033139A), Nov 22, 2002: Enstrm F28C (N552CS), Morrison, CO, Substantial damage. (-23) Pilot was attempting a landing at a helipad located at the fort restaurant in Morrison, CO. On approach the pilot was unable to distinguish the flag on…
- [Accident 19881116052289A](https://openairdocs.org/incident/19881116052289A), Nov 16, 1988: Enstrm F28C (N552CS), Inyokern, CA, Substantial damage. Lost power and rotor speed after takeoff. Made hard landing. Helicopter rolled on its side. No defects found.

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