# N37AC: 1968 Flug & Fahrzeugwerke FFA HBV-DIAMANT 16.5, registration cancelled 2012-11-09

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 9, 2012
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Flug & Fahrzeugwerke FFA HBV-DIAMANT 16.5](https://openairdocs.org/model/flug-fahrzeugwerke-ffa-hbv-diamant-16-5) (registry code 3550808)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Serial number: 049
- Year built: 1968
- Type of aircraft: Glider
- Engine type: None
- Airworthiness: Standard
- Airworthiness date: August 15, 1969
- Certificate issued: May 10, 2002
- Last registry action: April 15, 2008
- Mode S code: A43175
- Owner when cancelled: [O'Brien Kevin](https://openairdocs.org/faa-owner/O'BRIEN%20KEVIN)
- Location: [Dunedin, FL](https://openairdocs.org/faa-place/FL/Dunedin)
- Owner type: Individual
- Owner's area on the map: 28.0310° N, 82.7895° W: Placed by OpenAirDocs at the center of ZIP code 34698, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N37AC
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=37AC
- Page: https://openairdocs.org/deregistered/N37AC-2012-11-09

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 Flug & Fahrzeugwerke FFA HBV-DIAMANT 16.5: https://openairdocs.org/model/flug-fahrzeugwerke-ffa-hbv-diamant-16-5.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 CHI83LA314](https://openairdocs.org/ntsb/CHI83LA314), Jul 10, 1983: Flug-Und Fahrzeugwerke Diamant (N37AC), Frankfort, MI, 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 19830710037129A](https://openairdocs.org/incident/19830710037129A), Jul 10, 1983: Farzwk DIAMANT165 (N37AC), Frankfort, MI, Substantial damage. Glider caught wing tip in tall grass during winch tow launch.

## Other aircraft with N37AC

- [Registered now](https://openairdocs.org/aircraft/N37AC): Learjet 31, S/N 012

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