# NTSB investigations, UT: Aerodynamic stall/spin

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 WPR26LA174](https://openairdocs.org/ntsb/WPR26LA174.md): American Champion 7GCBC · Big Water, UT · Accident · Minor injuries · Class 4 · Limited · Final report · May 1, 2026 · N400KB · Substantial damage
  > The pilot’s failure to maintain adequate airspeed and exceedance of the airplanes critical angle of attack while maneuvering at a low altitude, which resulted in a subsequent stall and impact with trees during stall recovery.
- [NTSB WPR24FA035](https://openairdocs.org/ntsb/WPR24FA035.md): Cessna 172G · Provo, UT · Accident · 2 fatal · Class 3 · Field · Final report · Nov 14, 2023 · N3971L · Substantial damage
  > The pilot's exceedance of the airplane's critical angle of attack during a chandelle maneuver, which resulted in an aerodynamic stall and descent into trees and terrain. Contributing to the accident was the pilot’s decision to maneuver into a canyon and…
- [NTSB WPR22FA227](https://openairdocs.org/ntsb/WPR22FA227.md): Cessna 152 · Mendon, UT · Accident · 2 fatal · Class 3 · Field · Final report · Jun 24, 2022 · N934JH · Substantial damage
  > The flight instructor’s failure to recover from a developed spin, which resulted in impact with terrain. Contributing to the accident was the flight instructor’s decision to enter the maneuver below the operator’s altitude limitation.
- [NTSB WPR22LA080](https://openairdocs.org/ntsb/WPR22LA080.md): Walter Tachiki Tachiki 750 Cruzer · Spanish Fork, UT · Accident · Serious injuries · Class 3 · Limited · Final report · Jan 14, 2022 · N145WT · Substantial damage
  > A partial loss of engine power due to an obstructed catalytic converter, which most likely resulted from the pilot’s failure to properly repair or replace it after it was likely damaged during a previous incident. Contributing to the accident was the pilot’s…
- [NTSB WPR20LA238](https://openairdocs.org/ntsb/WPR20LA238.md): Piper PA32R · West Jordan, UT · Accident · 5 fatal · Class 3 · Limited · Final report · Jul 25, 2020 · N7677C · Substantial damage
  > The pilot's failure to maintain the airplane’s speed during takeoff near the airplane’s maximum gross weight in high-density altitude conditions, which resulted in the exceedance of the airplane's critical angle of attack and led to an aerodynamic stall, loss…
- [NTSB WPR20LA196](https://openairdocs.org/ntsb/WPR20LA196.md): Kostrazewa Andre Sonex Light Sport · Centerville, UT · Accident · 2 fatal · Class 3 · Limited · Final report · Jun 25, 2020 · N620AK · Destroyed
  > The pilot flying’s exceedance of the airplane’s critical angle of attack during an attempted forced landing, which resulted in an aerodynamic stall and impact with terrain. The reason for the attempted forced landing could not be determined.
- [NTSB GAA19CA301](https://openairdocs.org/ntsb/GAA19CA301.md): Luscombe 8 · Heber, UT · Accident · No injuries · Data collection · Final report · Jun 1, 2019 · N2689K · Substantial damage
  > The pilot's exceedance of the airplane's critical angle of attack during an aborted landing, which resulted in an aerodynamic stall.
- [NTSB WPR18FA186](https://openairdocs.org/ntsb/WPR18FA186.md): Cessna 320 · Eagle Mountain, UT · Accident · 1 fatal · Class 3 · Field · Final report · Jun 28, 2018 · N320MF · Destroyed
  > The pilot's exceedance of the airplane's critical angle of attack and the airplane experiencing an aerodynamic stall at too low an altitude to recover.
- [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 WPR17FA149](https://openairdocs.org/ntsb/WPR17FA149.md): Aviat A · Herriman, UT · Accident · 2 fatal · Field investigation · Final report · Jul 13, 2017 · N211AM · Destroyed
  > The flight instructor's decision to conduct a low-altitude flight into a box canyon in high density altitude conditions and his failure to maintain airspeed while maneuvering to escape the canyon, which resulted in an exceedance of the airplane's critical…
- [NTSB GAA17CA327](https://openairdocs.org/ntsb/GAA17CA327.md): Cessna 172 · Tooele, UT · Accident · No injuries · Data collection · Final report · Jun 6, 2017 · N741TW · Substantial damage
  > The student pilot’s failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle of attack during an attempted go-around, which resulted in an aerodynamic stall.
- [NTSB WPR16FA144](https://openairdocs.org/ntsb/WPR16FA144.md): Diamond Aircraft Ind DA40 F · Logan, UT · Accident · 1 fatal · Field investigation · Final report · Jul 18, 2016 · N419FP · Destroyed
  > The pilot's exceedance of the airplane's critical angle of attack while maneuvering in turbulence and gusty wind conditions, which resulted in an aerodynamic stall/spin.
- [NTSB GAA15CA257](https://openairdocs.org/ntsb/GAA15CA257.md): Glenn Timothy C Skystar Series 5 · Green River, UT · Accident · No injuries · Data collection · Final report · Sep 12, 2015 · N4291R · Substantial damage
  > The pilot's failure to maintain pitch attitude, which resulted in the airplane exceeding its critical angle of attack and a subsequent aerodynamic stall/spin.
- [NTSB WPR15CA040](https://openairdocs.org/ntsb/WPR15CA040.md): Aerospatiale AS350BA · Panguitch, UT · Accident · Minor injuries · Data collection · Final report · Nov 13, 2014 · N425U · Substantial damage
  > The flight instructor's delayed reaction in taking control of the helicopter during a student pilot's loss of control while landing.
- [NTSB WPR14LA263](https://openairdocs.org/ntsb/WPR14LA263.md): Knell ASC Spirit · Lehi, UT · Accident · 1 fatal · Limited investigation · Final report · Jun 22, 2014 · N127JK · Substantial damage
  > The pilot’s exceedance of the glider’s critical angle of attack while maneuvering in a steep turn at low altitude, which resulted in an aerodynamic stall.
- [NTSB WPR12FA235](https://openairdocs.org/ntsb/WPR12FA235.md): Cirrus SR20 · Duck Creek Village, UT · Accident · 4 fatal · Field investigation · Final report · May 29, 2012 · N187PG · Substantial damage
  > The pilot's failure to maintain sufficient airspeed and airplane control while maneuvering a heavily loaded airplane over high mountainous terrain in a high density altitude environment. Contributing to the accident was the pilot’s lack of experience…
- [NTSB WPR12FA230](https://openairdocs.org/ntsb/WPR12FA230.md): Cessna 172S · St. George, UT · Accident · 4 fatal · Field investigation · Final report · May 26, 2012 · N953SP · Substantial damage
  > The pilot's failure to maintain adequate airspeed during an aggressive pitch-up maneuver, which resulted in a low-altitude aerodynamic stall shortly after takeoff. Contributing to the accident was the pilot's impairment from alcohol consumption and an…
- [NTSB WPR12FA001](https://openairdocs.org/ntsb/WPR12FA001.md): Vaughn Pulsar · West Jordan, UT · Accident · 2 fatal · Field investigation · Final report · Oct 4, 2011 · N91BV · Substantial damage
  > The pilot’s failure to maintain sufficient airspeed and airplane control while initiating a turn during the initial climb after takeoff in a high density altitude environment, above the airplane’s maximum allowable gross weight, and with an overly rich…
- [NTSB WPR11FA450](https://openairdocs.org/ntsb/WPR11FA450.md): Cone James A RV-6A · West Jordan, UT · Accident · 1 fatal · Field investigation · Final report · Sep 15, 2011 · N641JC · Substantial damage
  > The pilot’s execution of an abrupt maneuver, likely to avoid birds, which resulted in a stall and spin.
- [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 WPR10LA377](https://openairdocs.org/ntsb/WPR10LA377.md): Glaser Dirks DG300 · Morgan, UT · Accident · 1 fatal · Limited investigation · Final report · Jul 31, 2010 · N30AS · Substantial damage
  > The pilot's failure to maintain adequate airspeed while maneuvering, which resulted in a stall/spin and ground impact.
- [NTSB WPR09CA469](https://openairdocs.org/ntsb/WPR09CA469.md): Cessna 182 · Parowan, UT · Accident · No injuries · Data collection · Final report · Sep 26, 2009 · N1040D · Substantial damage
  > The pilot's improper flare and recovery from a bounced landing.
- [NTSB WPR09LA026](https://openairdocs.org/ntsb/WPR09LA026.md): Silfvast Starduster TOO · Cedar Fort, UT · Accident · 2 fatal · Limited investigation · Final report · Oct 28, 2008 · N78DS · Destroyed
  > The pilot's failure to maintain an adequate airspeed and/or angle of attack to avoid a stall/spin during an aerobatic maneuver.
- [NTSB SEA08FA175](https://openairdocs.org/ntsb/SEA08FA175.md): Cessna 180K · Garden City, UT · Accident · 2 fatal · Field investigation · Final report · Aug 9, 2008 · N63217 · Substantial damage
  > The pilot's failure to maintain adequate airspeed, which led to an aerodynamic stall/spin.
- [NTSB LAX08LA179](https://openairdocs.org/ntsb/LAX08LA179.md): Cessna 172S · Beaver, UT · Accident · Serious injuries · Limited investigation · Final report · Jun 12, 2008 · N233GW · Substantial damage
  > The pilot's failure to attain and maintain an adequate airspeed during the initial climb as a result of his inadequate preflight planning and improper use of the mixture control. Contributing to the accident were the tailwind and high density altitude.

## 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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '241' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/241/sequence?state=UT

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