# NTSB investigations: Diamond Aircraft Ind DA20-C1, UT NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. ## Latest cases - [NTSB WPR26LA235](https://openairdocs.org/ntsb/WPR26LA235.md): Diamond Aircraft Ind DA20-C1 · Nephi, UT · Accident · No injuries · Class 3 · Limited · Preliminary report · Jun 25, 2026 · N643DC · Substantial damage > On June 25, 2026, about 0905 mountain daylight time, a Diamond DA20-C1, N643DC, was substantially damaged when it was involved in an accident near Nephi, Utah. The flight instructor and the student pilot were not injured. The airplane was operated as a Title… - [NTSB WPR23LA324](https://openairdocs.org/ntsb/WPR23LA324.md): Diamond DA20 · Fairfield, UT · Accident · No injuries · Class 4 · Limited · Final report · Aug 23, 2023 · N989PA · Substantial damage > The flight pilots improper fuel management, which resulted a total loss of engine power, and impact with terrain during an off-airport landing. Contributing to the accident was the flight instructor’s failure to follow the airplane checklist. - [NTSB WPR22LA131](https://openairdocs.org/ntsb/WPR22LA131.md): Diamond Aircraft Ind DA20-C1 · Spanish Fork, UT · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 26, 2022 · N976PA · Substantial damage > The pilot’s failure to maintain directional control during landing with gusting wind. - [NTSB WPR20CA305](https://openairdocs.org/ntsb/WPR20CA305.md): Diamond DA20 · Fillmore, UT · Accident · No injuries · Class 4 · Data collection · Final report · Sep 11, 2020 · N802CT · Substantial damage > The student pilot's improper landing flare and delayed remedial action to abort the landing, which resulted in a loss of aircraft control, runway excursion and impact with terrain. - [NTSB GAA18CA358](https://openairdocs.org/ntsb/GAA18CA358.md): Diamond Aircraft Ind DA 20 · Spanish Fork, UT · Accident · No injuries · Data collection · Final report · Jun 16, 2018 · N992CT · Substantial damage > The pilot receiving instruction’s failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle of attack during takeoff, which resulted in an aerodynamic stall. - [NTSB GAA17CA088](https://openairdocs.org/ntsb/GAA17CA088.md): Diamond Aircraft Ind DA-20 · Payson, UT · Accident · No injuries · Data collection · Final report · Dec 2, 2016 · N992CT · Substantial damage > The student pilot's improper in-flight fuel planning, which resulted in fuel exhaustion. - [NTSB WPR13CA170](https://openairdocs.org/ntsb/WPR13CA170.md): Diamond DA 20-C1 · Provo, UT · Accident · No injuries · Data collection · Final report · Mar 28, 2013 · N986CT · Substantial damage > The student pilot’s failure to maintain airspeed and airplane control during an attempted go-around. - [NTSB WPR11FA050](https://openairdocs.org/ntsb/WPR11FA050.md): Diamond Aircraft Ind DA20-C1 · Payson, UT · Accident · 2 fatal · Field investigation · Final report · Nov 17, 2010 · N978CT · Substantial damage > 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 spin. Contributing to the accident was the flight school’s… - [NTSB WPR10CA146](https://openairdocs.org/ntsb/WPR10CA146.md): Diamond Aircraft Ind DA 20-C1 · Delta, UT · Accident · No injuries · Data collection · Final report · Feb 23, 2010 · N894CT · Substantial damage > The student pilot's incorrect use of the flaps and failure to attain and maintain an adequate airspeed during the attempted go-around procedure, which led to a stall/mush condition. Contributing to the accident was the student pilot's lack of familiarity with… - [NTSB WPR09CA322](https://openairdocs.org/ntsb/WPR09CA322.md): Diamond Aircraft Ind DA 20-C1 · Spanish Fork, UT · Accident · No injuries · Data collection · Final report · Jul 1, 2009 · N765DC · Substantial damage > The student pilot’s improper landing flare. - [NTSB SEA08LA090](https://openairdocs.org/ntsb/SEA08LA090.md): Diamond Aircraft Industries DA 20-C1 · Spanish Fork, UT · Accident · No injuries · Limited investigation · Final report · Mar 9, 2008 · N765DC · Substantial damage > The fatigue failure of the nose wheel fork assembly attachment stud/bolt during takeoff initial climb, and the collapse of the nose gear during landing. - [NTSB SEA08LA008](https://openairdocs.org/ntsb/SEA08LA008.md): Diamond Aircraft Industries DA 20-C1 · Santaquin, UT · Accident · No injuries · Limited investigation · Final report · Oct 11, 2007 · N465US · Substantial damage > A total loss of engine power for undetermined reasons. Factors include rough/uneven vegetation-covered terrain at the location where the pilot executed his emergency forced landing. - [NTSB DEN01LA122](https://openairdocs.org/ntsb/DEN01LA122.md): Diamond Aircraft Industries DA 20C-1 · Provo, UT · Accident · No injuries · Limited investigation · Final report · Jul 16, 2001 · N981CT · Substantial damage > the inadvertent stall by the pilot during an aborted landing. Contributing factors were an excessive flare, premature retraction of the flaps, and gusty wind conditions. - [NTSB DEN00IA133](https://openairdocs.org/ntsb/DEN00IA133.md): Diamond Aircraft Industries 20C-1 · Spanish Fork, UT · Incident · No injuries · Incident investigation · Final report · Jul 1, 2000 · N991CT · Minor damage > 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 separation of the propeller. ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1 WHERE c."eventStateOrRegion" = 'UT' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('2990001')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?model=2990001&state=UT --- 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.