# N300MT: Keck David HELICYCLE, registration cancelled 1992-08-20

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 20, 1992
- Status when cancelled: Valid registration
- Airframe: [Keck David HELICYCLE](https://openairdocs.org/model/keck-david-helicycle) (registry code 05616CV)
- Serial number: 014
- Type of aircraft: Rotorcraft
- Certificate issued: October 25, 1990
- Last registry action: January 7, 1991
- Mode S code: A32077
- Owner when cancelled: [Thomsic Michael F](https://openairdocs.org/faa-owner/THOMSIC%20MICHAEL%20F)
- Location: [Gering, NE](https://openairdocs.org/faa-place/NE/Gering)
- Owner type: Individual
- Owner's area on the map: 41.7391° N, 103.6790° W: Placed by OpenAirDocs at the center of ZIP code 69341, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N300MT
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=300MT
- Page: https://openairdocs.org/deregistered/N300MT-1992-08-20

From the FAA registry file of November 4, 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 Keck David HELICYCLE: https://openairdocs.org/model/keck-david-helicycle.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 CHI92DCJ02](https://openairdocs.org/ntsb/CHI92DCJ02), Mar 15, 1992: Extra Flugzeugbau 300 (N300MT), Grant, NE, substantial damage, 2 fatal. Probable cause: THE PILOT'S INADEQUATE AIRCRAFT CONTROL WHILE PERFORMING AEROBATIC MANEUVERS.

## Other aircraft with N300MT

- [Registered now](https://openairdocs.org/aircraft/N300MT): Embraer EMB 312F, S/N 312500
- [Cancelled 2014-08-26](https://openairdocs.org/deregistered/N300MT-2014-08-26): Beech E-90, S/N LW-143, built 1975. Exported to Paraguay. Owner: [Ridgeaire Inc](https://openairdocs.org/faa-owner/RIDGEAIRE%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington)

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