# N978CT: 1999 Diamond Aircraft Ind DA20-C1, registration cancelled 2011-05-09

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 9, 2011
- Status when cancelled: Triennial form not returned
- Airframe: [Diamond Aircraft Ind DA20-C1](https://openairdocs.org/model/diamond-aircraft-ind-da20-c1) (registry code 2990001)
- Engine: [Continental IO-240 series](https://openairdocs.org/engine/continental-io-240-series) (registry code 17063)
- Data sheets: [TCDS TA4CH](https://openairdocs.org/tcds/TA4CH), [TCDS E7SO](https://openairdocs.org/tcds/E7SO) (OpenAirDocs)
- Serial number: C0078
- Year built: 1999
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, utility
- Airworthiness date: May 21, 1999
- Certificate issued: December 2, 1999
- Last registry action: March 30, 2009
- Mode S code: ADA1A1
- Owner when cancelled: [Utah Valley University](https://openairdocs.org/faa-owner/UTAH%20VALLEY%20UNIVERSITY)
- Location: [Orem, UT](https://openairdocs.org/faa-place/UT/Orem)
- Owner type: Government
- Owner's area on the map: 40.2748° N, 111.7147° W: Placed by OpenAirDocs at the center of ZIP code 84058, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N978CT
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=978CT
- Page: https://openairdocs.org/deregistered/N978CT-2011-05-09

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 Diamond Aircraft Ind DA20-C1: https://openairdocs.org/model/diamond-aircraft-ind-da20-c1.md

## Service difficulty reports (1)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR 2002FA0001239](https://openairdocs.org/sdr/2002FA0001239), Sep 13, 2002: HINGE. CRACKED. DURING 100 HOUR INSPECTION MECHANIC FOUND CRACK ON LOWER RIGHT CORNER OF LOWER RUDDER HINGE SUPPORT TOWER NEXT TO THE WELD LINE. PART WAS REPLACED WITH NEW PART

## 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 WPR11FA050](https://openairdocs.org/ntsb/WPR11FA050), Nov 17, 2010: Diamond Aircraft Ind DA20-C1 (N978CT), Payson, UT, substantial damage, 2 fatal. Probable cause: The pilots' failure to maintain adequate airspeed during a slow flight maneuver that resulted in a stall and spin, and the flight instructor’s delayed or improper remedial actions to recover from the…

## 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 20101117052109A](https://openairdocs.org/incident/20101117052109A), Nov 17, 2010: Diamond DA-20 (N978CT), Payson, UT, Substantial damage, 2 fatal. On November 17, 2010 [privacy data omitted] (flight instructor) and [privacy data omitted] (student) departed provo airport for a training flight in aircraft…

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.