# N991CT: 1999 Diamond Aircraft Ind DA20-C1, registration cancelled 2021-04-05

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 5, 2021
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Diamond Aircraft Ind DA20-C1](https://openairdocs.org/model/diamond-aircraft-ind-da20-c1) (registry code 2990001)
- Engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020)
- Data sheets: [TCDS TA4CH](https://openairdocs.org/tcds/TA4CH), [TCDS E-252](https://openairdocs.org/tcds/E-252) (OpenAirDocs)
- Serial number: C0091
- Year built: 1999
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, utility
- Airworthiness date: August 6, 1999
- Certificate issued: December 29, 2014
- Last registry action: August 2, 2017
- Mode S code: ADD69E
- Owners when cancelled: [Dixon John A](https://openairdocs.org/faa-owner/DIXON%20JOHN%20A), [Roemmler Mike G](https://openairdocs.org/faa-owner/ROEMMLER%20MIKE%20G)
- Location: [Mendocino, CA](https://openairdocs.org/faa-place/CA/Mendocino)
- Physical address: [Little River, CA](https://openairdocs.org/faa-place/CA/Little%20River)
- Owner type: Co-owned
- Owner's area on the map: 39.3054° N, 123.7449° W: Placed by OpenAirDocs at the center of ZIP code 95460, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N991CT
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=991CT
- Page: https://openairdocs.org/deregistered/N991CT-2021-04-05

From the FAA registry file of November 5, 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 Diamond Aircraft Ind DA20-C1: https://openairdocs.org/model/diamond-aircraft-ind-da20-c1.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 DEN00IA133](https://openairdocs.org/ntsb/DEN00IA133), Jul 1, 2000: Diamond Aircraft Industries 20C-1 (N991CT), Spanish Fork, UT, incident, minor damage. Probable cause: The company maintenance personnel's inadequate torquing procedures of the propeller attachment bolts which resulted in the fatigue failure of the propeller attachment bolts and the in-flight…

## 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.

- [Incident 20000701035759I](https://openairdocs.org/incident/20000701035759I), Jul 1, 2000: Diamon DA20C1 (N991CT), Spanish Fork, UT. (-23)Aircraft was in cruise flight, east bound up Spanish Fork canyon at 9,500' when the pilot experienced a vibration. He immediately performed a 180' turn…

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