# NTSB investigations, 2020, OK

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 CEN21LA074](https://openairdocs.org/ntsb/CEN21LA074.md): Zlin Savage Cub-S · Francis, OK · Accident · No injuries · Class 4 · Limited · Final report · Nov 15, 2020 · N9111 · Substantial damage
  > The pilot’s selection of unsuitable terrain for the landing, which resulted in a nose over when the airplane encountered soft sand during the landing roll.
- [NTSB CEN21LA047](https://openairdocs.org/ntsb/CEN21LA047.md): Ercoupe 415 · Ardmore, OK · Accident · Serious injuries · Class 3 · Limited · Final report · Nov 7, 2020 · N331BW · Substantial damage
  > The pilot’s improper decision to takeoff with 3 persons in a 2-place airplane and over maximum gross weight, and his failure to apply carburetor heat when the airplane’s engine experienced carburetor ice and a partial loss of power.
- [NTSB CEN21LA057](https://openairdocs.org/ntsb/CEN21LA057.md): Cirrus SR22 · Tishomingo, OK · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 24, 2020 · N183V · Substantial damage
  > The pilot’s improper adjustment of the engine mixture control, which resulted in a total loss of engine power. Contributing to the accident was a disconnected oil temperature connector, which was likely damaged during maintenance before the accident flight…
- [NTSB CEN20LA413](https://openairdocs.org/ntsb/CEN20LA413.md): Cosmos Phase 3 · Wayne, OK · Accident · Fatal · Class 3 · Limited · Final report · Sep 19, 2020 · N7024L · Substantial damage
  > A loss of control while taxiing for reasons that could not be determined based on available evidence.
- [NTSB CEN20LA378](https://openairdocs.org/ntsb/CEN20LA378.md): Cessna 340 · Oklahoma City, OK · Accident · No injuries · Class 3 · Limited · Final report · Sep 3, 2020 · N5178J · Substantial damage
  > A failure of the windscreen for reasons that could not be determined based on available evidence.
- [NTSB CEN20CA350](https://openairdocs.org/ntsb/CEN20CA350.md): Cessna 140 · Olustee, OK · Accident · No injuries · Class 4 · Data collection · Final report · Aug 18, 2020 · N2207N · Substantial damage
  > The pilot's decision to attempt a takeoff from the middle of the runway in shifting wind conditions, which resulted in an aborted takeoff and runway excursion.
- [NTSB CEN20LA321](https://openairdocs.org/ntsb/CEN20LA321.md): Piper PA28R · Seiling, OK · Accident · No injuries · Class 3 · Limited · Final report · Aug 1, 2020 · N9765C · Substantial damage
  > The pilot’s incorrect takeoff performance calculations and delayed aborted takeoff, which resulted in a runway excursion and collision with trees.
- [NTSB CEN20LA301](https://openairdocs.org/ntsb/CEN20LA301.md): Vans RV4 · Idabel, OK · Accident · No injuries · Class 3 · Limited · Final report · Jul 22, 2020 · N54WP · Substantial damage
  > The pilot’s improper installation of an oil line, resulting in the loss of oil and subsequent total loss of engine power.
- [NTSB CEN20LA292](https://openairdocs.org/ntsb/CEN20LA292.md): Beech A23-24 · Burns Flat, OK · Accident · No injuries · Class 3 · Limited · Final report · Jul 19, 2020 · N3412C · Substantial damage
  > The mechanic’s improper maintenance when he reinstalled the fuel servo during the last annual inspection, which resulted in a loss of engine power during cruise flight when the throttle control rod-end disconnected from the fuel servo throttle linkage.
- [NTSB CEN20LA271](https://openairdocs.org/ntsb/CEN20LA271.md): Cessna T188 · Dustin, OK · Accident · 1 fatal · Class 3 · Limited · Final report · Jul 10, 2020 · N2690J · Substantial damage
  > The pilot’s continued takeoff without ensuring obstacles could be avoided due to his use of a sedating medication, which likely diminished his reaction time and flying performance.
- [NTSB CEN20LA266](https://openairdocs.org/ntsb/CEN20LA266.md): Lancair ES-P · Pauls Valley, OK · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 6, 2020 · N444TW · Destroyed
  > The reason for this accident could not be determined based on the available information.
- [NTSB CEN20CA229](https://openairdocs.org/ntsb/CEN20CA229.md): Cessna T188 · McCurtain, OK · Accident · Serious injuries · Class 4 · Data collection · Final report · Jun 12, 2020 · N2085J · Substantial damage
  > The pilot's failure to maintain the proper airspeed during a low altitude aerial application maneuver and his exceedance of the airplane’s critical angle of attack, which resulted in an aerodymanic stall at too low of an altiutde to recover.
- [NTSB CEN20CA226](https://openairdocs.org/ntsb/CEN20CA226.md): Bellanca 17 30 · Talihina, OK · Accident · No injuries · Class 4 · Data collection · Final report · Jun 7, 2020 · N6681V · Substantial damage
  > The pilot's failure to maintain control of the airplane during a crosswind landing, which resulted in a hard landing and runway excursion.
- [NTSB CEN20CA249](https://openairdocs.org/ntsb/CEN20CA249.md): Mooney M20C · Lahoma, OK · Accident · No injuries · Class 4 · Data collection · Final report · Jun 1, 2020 · N6728U · Substantial damage
  > The loss of engine power due to fuel exhaustion and the pilot’s improper fuel planning before the flight.
- [NTSB CEN20LA173](https://openairdocs.org/ntsb/CEN20LA173.md): Titan Titan Tornado S · Haskell, OK · Accident · Serious injuries · Class 3 · Limited · Final report · May 9, 2020 · N318WH · Substantial damage
  > The student pilot/builder’s addition of winglets to the stabilator, which resulted in flutter and overstress failure of the stabilator control horn.
- [NTSB CEN20CA152](https://openairdocs.org/ntsb/CEN20CA152.md): Cessna 172 · Enid, OK · Accident · No injuries · Data collection · Final report · Apr 16, 2020 · N737RR · Substantial damage
  > The flight instructor's delayed remedial action during a power-off approach and go-around in gusting wind conditions, which resulted in a hard landing, loss of directional control, and a runway excursion onto a field.
- [NTSB CEN20CA074](https://openairdocs.org/ntsb/CEN20CA074.md): Piper PA32 · Kingfisher, OK · Accident · No injuries · Data collection · Final report · Feb 3, 2020 · N711PF · Substantial damage
  > The pilot's improper continuation of a landing in which he landed too far down the runway at too high a speed, which resulted in a loss of directional control and a runway excursion.
- [NTSB CEN20LA053](https://openairdocs.org/ntsb/CEN20LA053.md): Cessna T210 · Ada, OK · Accident · Minor injuries · Class 3 · Limited · Final report · Jan 1, 2020 · N94227 · Substantial damage
  > The pilot’s inadequate fuel management, which resulted in a total loss of engine power due to fuel starvation, and the pilot’s inadequate preflight inspection and preflight fuel planning.

## 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 year(c."eventDate") = 2020
  AND c."eventStateOrRegion" = 'OK' AND c."eventCountry" = 'USA'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?state=OK&year=2020

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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.