# NTSB investigations, 2021, 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 CEN22FA070](https://openairdocs.org/ntsb/CEN22FA070.md): Cessna 310J · Inola, OK · Accident · 1 fatal · Class 3 · Field · Final report · Dec 12, 2021 · N3187L · Destroyed
  > The loss of airplane control for reasons that could not be determined based on the available evidence.
- [NTSB CEN22LA066](https://openairdocs.org/ntsb/CEN22LA066.md): Piper PA-22-135 · Tahlequah, OK · Accident · No injuries · Class 4 · Limited · Final report · Dec 3, 2021 · N3372A · Substantial damage
  > A loss of yaw control while on final approach, which resulted in the pilot performing an off-runway landing, and a subsequent nose over. The reason for the loss of yaw control could not be determined based on the available evidence.
- [NTSB CEN22LA055](https://openairdocs.org/ntsb/CEN22LA055.md): Ray Earl D Flightstar Iisc · Haskell, OK · Accident · Minor injuries · Class 4 · Limited · Final report · Nov 28, 2021 · N2772R · Substantial damage
  > A sudden loss of engine power after takeoff for undetermined reasons based on the information available.
- [NTSB CEN22FA053](https://openairdocs.org/ntsb/CEN22FA053.md): Bell 206 · Perry, OK · Accident · 1 fatal · Class 3 · Field · Final report · Nov 28, 2021 · N59600 · Destroyed
  > A loss of lateral control during a hover that resulted in an impact with terrain. Based on the available evidence, the reason for the loss of lateral control could not be determined.
- [NTSB CEN22FA016](https://openairdocs.org/ntsb/CEN22FA016.md): AutoGyro Cavalon · Stroud, OK · Accident · 1 fatal · Class 3 · Field · Final report · Oct 18, 2021 · N419LB · Substantial damage
  > The pilot’s lack of experience in the gyroplane and his decision to takeoff with a tailwind. As a result, the gyroplane did not generate enough lift to takeoff before it struck a barbed wire fence. Contributing to the accident was the pilot’s failure to wear…
- [NTSB CEN21LA396](https://openairdocs.org/ntsb/CEN21LA396.md): Monnett Moni · Tulsa, OK · Accident · 1 fatal · Class 3 · Limited · Final report · Sep 6, 2021 · N983JV · Substantial damage
  > An aerodynamic stall/spin and loss of control for reasons that could not be determined based on the available information.
- [NTSB CEN21LA408](https://openairdocs.org/ntsb/CEN21LA408.md): Cessna 150 · Heavener, OK · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 15, 2021 · N50055 · Substantial damage
  > A total loss of engine power due to the failure of the No. 2 cylinder exhaust valve for reasons that could not be determined.
- [NTSB CEN21LA338](https://openairdocs.org/ntsb/CEN21LA338.md): Aeronca 7AC · Harrah, OK · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 23, 2021 · N83365 · Substantial damage
  > The pilot’s decision to fly the airplane without a carburetor heat control in atmospheric conditions conducive to the development of serious carburetor icing, which resulted in a partial loss of engine power.
- [NTSB CEN21FA314](https://openairdocs.org/ntsb/CEN21FA314.md): PZL Mielec M18 · Seiling, OK · Accident · 1 fatal · Class 3 · Field · Final report · Jul 12, 2021 · N9310R · Destroyed
  > The pilot’s in-flight loss of control due to the structural failure of a wing fitting and separation of the outboard wing section. Also causal were the inadequate wing fitting inspections, which failed to detect the initial corrosion and crack before it…
- [NTSB CEN21LA311](https://openairdocs.org/ntsb/CEN21LA311.md): Eslinger C W/Eslinger S M Cassutt · Pryor, OK · Accident · Minor injuries · Class 4 · Limited · Final report · Jul 7, 2021 · N8277S · Substantial damage
  > The pilot’s high flare and failure to execute a go-around which resulted in a hard landing and runway excursion.
- [NTSB CEN21FA300](https://openairdocs.org/ntsb/CEN21FA300.md): Beech 35-33 · Roff, OK · Accident · 2 fatal · Class 3 · Field · Final report · Jul 2, 2021 · N302Z · Destroyed
  > The pilot’s loss of airplane control due to spatial disorientation during low-level nighttime flight.
- [NTSB CEN21LA218](https://openairdocs.org/ntsb/CEN21LA218.md): Cessna R182 · Tulsa, OK · Accident · No injuries · Class 4 · Limited · Final report · May 13, 2021 · N8051B · Substantial damage
  > The pilot’s inability to extend the main landing gear due to incomplete maintenance, which resulted in a partial wheels-up landing and the mechanic’s failure to follow proper maintenance procedures that led to the loss of main landing gear system hydraulic…
- [NTSB CEN21LA216](https://openairdocs.org/ntsb/CEN21LA216.md): Aerospatiale AS350 B2 Ecureuil · Yukon, OK · Accident · No injuries · Class 3 · Limited · Final report · May 12, 2021 · N841BP · Destroyed
  > The pilot receiving instruction’s untimely and unidentified inadvertent activation of the hydraulic cut-off switch, which turned off the hydraulic system while the helicopter was at slow airspeed followed by a rapid power increase, which resulted in a loss of…
- [NTSB CEN21LA188](https://openairdocs.org/ntsb/CEN21LA188.md): Cessna 150M · Tishomingo, OK · Accident · No injuries · Class 4 · Limited · Final report · Apr 10, 2021 · N439WT · Substantial damage
  > The pilot’s decision to abort the takeoff on encountering a wind gust and his landing beyond the end of the runway that resulted in the airplane impacting a ditch collapsing the nose landing gear.
- [NTSB CEN21LA173](https://openairdocs.org/ntsb/CEN21LA173.md): Robinson Helicopter R44 II · Dustin, OK · Accident · Serious injuries · Class 3 · Limited · Final report · Mar 26, 2021 · N178DF · Substantial damage
  > The pilot’s insufficient monitoring of the helicopter’s power while flying at low altitude and at low airspeed, which resulted in the loss of rotor rpm and impact with a tree and terrain.
- [NTSB CEN21LA153](https://openairdocs.org/ntsb/CEN21LA153.md): Eurocopter EC130 · Tulsa, OK · Accident · No injuries · Class 4 · Limited · Final report · Feb 25, 2021 · N259AM · Substantial damage
  > The pilot’s improper decision to approach the airport and enter a low altitude hover with a gusting quartering tailwind, which resulted in a loss of tail rotor effectiveness during a turn at a low altitude.
- [NTSB CEN21LA110](https://openairdocs.org/ntsb/CEN21LA110.md): Air Tractor AT-502 · Cushing, OK · Accident · No injuries · Class 4 · Limited · Final report · Jan 9, 2021 · N4540C · Substantial damage
  > The pilot’s decision to takeoff from unsuitable terrain which resulted in an aerodynamic stall and subsequent impact with terrain.

## 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") = 2021
  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=2021

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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.