# Final NTSB investigations

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.

Page 108 of 3,432 · 171,594 cases

## Cases, newest first

- [NTSB CEN21LA450](https://openairdocs.org/ntsb/CEN21LA450.md): Cessna 140 · Caddo Mills, TX · Accident · No injuries · Class 4 · Limited · Final report · Jul 22, 2021 · N84BC · Substantial damage
  > The missing vertical stabilizer hardware, which resulted in a severe uncommanded yawing motion that necessitated an emergency landing, during which the airplane nosed over and sustained substantial damage to the vertical stabilizer.
- [NTSB CEN21LA373](https://openairdocs.org/ntsb/CEN21LA373.md): Mooney M20F · New Albany, MS · Accident · No injuries · Class 4 · Limited · Final report · Jul 22, 2021 · N6474Q · Substantial damage
  > The pilot’s delayed decision to abort the landing that resulted in a collision with a fence post. Contributing to the accident was the failure of the alternator drive belt during cruise flight for unknown reasons and the subsequent inoperative electrical…
- [NTSB WPR21LA295](https://openairdocs.org/ntsb/WPR21LA295.md): Cessna 172I · Renton, WA · Accident · No injuries · Class 4 · Limited · Final report · Jul 21, 2021 · N46287 · Substantial damage
  > The boat operator’s failure to remain a safe distance from the floatplane during the takeoff run, which resulted in a collision.
- [NTSB ERA21LA298](https://openairdocs.org/ntsb/ERA21LA298.md): Carpenter Stol CH750 · Rockwell, NC · Accident · No injuries · Class 3 · Limited · Final report · Jul 21, 2021 · N750RS · Substantial damage
  > The total loss of engine power due to carburetor ice. Also causal was the pilot’s failure to apply carburetor heat at any time during the flight.
- [NTSB ERA21LA296](https://openairdocs.org/ntsb/ERA21LA296.md): Cessna 560XL · Reading, PA · Accident · No injuries · Class 4 · Limited · Final report · Jul 21, 2021 · N46CF · Substantial damage
  > The captain’s improper decision to continue an unstabilized approach despite several go-around calls by the pilot monitoring, which resulted in a runway excursion and substantial damage to the pressure vessel.
- [NTSB CEN21LA332](https://openairdocs.org/ntsb/CEN21LA332.md): Madera RV-3 · Jacksonville, IL · Accident · No injuries · Class 4 · Limited · Final report · Jul 21, 2021 · N3S · Substantial damage
  > The pilot’s improper flare during landing which resulted in an attempted go-around, loss of control, and aerodynamic stall.
- [NTSB CEN21LA452](https://openairdocs.org/ntsb/CEN21LA452.md): Robinson Helicopter R44 · Mineral Point, WI · Accident · No injuries · Class 4 · Limited · Final report · Jul 20, 2021 · N44XB · Substantial damage
  > The pilot’s failure to see and avoid a wire during an aerial application flight, resulting in a collision with the wire.
- [NTSB CEN21LA339](https://openairdocs.org/ntsb/CEN21LA339.md): Robinson Helicopter R44 II · West Liberty, IA · Accident · Minor injuries · Class 4 · Limited · Final report · Jul 20, 2021 · N983HA · Substantial damage
  > The pilot’s failure to see and avoid a wire while maneuvering at low altitude during an aerial application flight, resulting in a collision with the wire.
- [NTSB ERA21LA301](https://openairdocs.org/ntsb/ERA21LA301.md): Cessna 172 · Rochester, NY · Accident · No injuries · Class 4 · Limited · Final report · Jul 19, 2021 · N489MA · Substantial damage
  > The pilot’s excessive speed and improper landing flare which resulted in abnormal runway contact, porpoising, and substantial damage.
- [NTSB ERA21LA295](https://openairdocs.org/ntsb/ERA21LA295.md): Robinson Helicopter R44 II · Point Harbor, NC · Accident · 2 fatal · Class 3 · Limited · Final report · Jul 19, 2021 · N4529J · Destroyed
  > The noncertificated pilot’s decision to continue visual flight rules flight into instrument meteorological conditions, which resulted in spatial disorientation over a large body of water and a high velocity impact with the water. Contributing to the accident…
- [NTSB ERA21LA294](https://openairdocs.org/ntsb/ERA21LA294.md): Turbine Cubs Of Wyoming PA-18 Super CUB · Dinwiddie, VA · Accident · No injuries · Class 4 · Limited · Final report · Jul 19, 2021 · N507TC · Substantial damage
  > The pilot’s failure to maintain control while taxiing on soft ground, which resulted in a nose-over.
- [NTSB CEN21LA331](https://openairdocs.org/ntsb/CEN21LA331.md): Cessna 180 · Brenham, TX · Accident · No injuries · Class 4 · Limited · Final report · Jul 19, 2021 · N9024M · Substantial damage
  > The pilot’s failure to maintain control of the airplane during takeoff from a rough field.
- [NTSB CEN21LA329](https://openairdocs.org/ntsb/CEN21LA329.md): Grumman Acft ENG Cor-Schweizer G-164B · Amana, IA · Accident · No injuries · Class 3 · Limited · Final report · Jul 19, 2021 · N8422K · Substantial damage
  > The loss of engine power for reasons that could not be determined.
- [NTSB CEN21FA330](https://openairdocs.org/ntsb/CEN21FA330.md): Robinson R44 · Elgin, MN · Accident · 1 fatal · Class 3 · Field · Final report · Jul 19, 2021 · N44BJ · Destroyed
  > The pilot’s decision to operate the helicopter under powerlines, which resulted in a main rotor blade striking a powerline, causing the helicopter to descend from a low altitude and impact terrain.
- [NTSB ANC21LA062](https://openairdocs.org/ntsb/ANC21LA062.md): Dehavilland DHC-2 MK 1 · King Salmon, AK · Accident · No injuries · Class 4 · Limited · Final report · Jul 19, 2021 · N68080 · Substantial damage
  > The pilot’s exceedance of the floatplane’s critical angle of attack, which resulted in an aerodynamic stall and subsequent loss of control.
- [NTSB WPR21LA281](https://openairdocs.org/ntsb/WPR21LA281.md): Piper PA-20 · Cascade, ID · Accident · No injuries · Class 4 · Limited · Final report · Jul 18, 2021 · N2712A · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll, which resulted in a runway excursion and collision with terrain.
- [NTSB ERA21LA293](https://openairdocs.org/ntsb/ERA21LA293.md): Ercoupe 415-C · Frostproof, FL · Accident · Minor injuries · Class 4 · Limited · Final report · Jul 18, 2021 · N3044H · Substantial damage
  > The pilot’s loss of directional control during takeoff as a result of a child reaching for and manipulating the flight controls.
- [NTSB CEN21LA325](https://openairdocs.org/ntsb/CEN21LA325.md): Beech 35-C33 · Longmont, CO · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 18, 2021 · N18AR · Substantial damage
  > The airplane’s lack of climb performance after takeoff in high density altitude conditions for reasons that could not be determined based on the available evidence.
- [NTSB CEN21FA327](https://openairdocs.org/ntsb/CEN21FA327.md): Luscombe 8F · Comstock, TX · Accident · 1 fatal · Class 3 · Field · Final report · Jul 18, 2021 · N2054B · Destroyed
  > Impact with terrain for reasons that could not be determined based on the available information.
- [NTSB CEN21LA326](https://openairdocs.org/ntsb/CEN21LA326.md): Gary James Lail Zenith CH 750 Cruzer · Blossom, TX · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 17, 2021 · N9667Z · Substantial damage
  > The improper swaging of the rudder control cable, which disconnected during flight and resulted in the loss of control.
- [NTSB WPR21FA273](https://openairdocs.org/ntsb/WPR21FA273.md): Beech V35 · Angwin, CA · Accident · 3 fatal · Class 3 · Field · Final report · Jul 16, 2021 · N112TW · Destroyed
  > The pilot's exceedance of the airplane’s critical angle of attack during an aborted landing after an unstabilized approach and hard landing, which resulted in an aerodynamic stall and impact with trees and terrain. Contributing to the accident was the pilot’s…
- [NTSB ERA21LA292](https://openairdocs.org/ntsb/ERA21LA292.md): Robinson Helicopter R44 II · Princeton, KY · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 16, 2021 · N512RT · Substantial damage
  > The pilot’s inadequate preflight planning in that he failed to accurately determine the takeoff weight of the helicopter, which resulted in exceeding the helicopter’s maximum weight capability.
- [NTSB CEN21LA323](https://openairdocs.org/ntsb/CEN21LA323.md): Cessna P210N · Refugio, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 16, 2021 · N174R · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll with a tailwind.
- [NTSB ANC21LA061](https://openairdocs.org/ntsb/ANC21LA061.md): Cessna 172 · Skwentna, AK · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 16, 2021 · N7137T · Substantial damage
  > A partial loss of engine power due to detonation/preignition damage to the No. 2 cylinder. The reason for the detonation/preignition damage could not be determined based on the available evidence.
- [NTSB ANC21LA060](https://openairdocs.org/ntsb/ANC21LA060.md): Piper PA-18-135 · Skwentna, AK · Accident · No injuries · Class 4 · Limited · Final report · Jul 16, 2021 · N99640 · Substantial damage
  > The pilot’s use of excessive braking which resulted in a nose-over.
- [NTSB WPR21LA271](https://openairdocs.org/ntsb/WPR21LA271.md): Vans RV6 · Riverside, CA · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 15, 2021 · N468AC · Substantial damage
  > A total loss of engine power for reasons that could not be determined from available evidence.
- [NTSB WPR21FA272](https://openairdocs.org/ntsb/WPR21FA272.md): Mooney M20J · Dinsmore, CA · Accident · 4 fatal · Class 3 · Field · Final report · Jul 15, 2021 · N4474H · Destroyed
  > The airplane’s degraded engine performance due to wear to the intake cam lobes, which diminished the airplane’s takeoff and climb performance, resulting in a subsequent collision with trees.
- [NTSB ERA21LA329](https://openairdocs.org/ntsb/ERA21LA329.md): Alexander Schleicher ASW 27-18 · Sterling, MA · Accident · No injuries · Class 4 · Limited · Final report · Jul 15, 2021 · N129MG · Substantial damage
  > The pilot’s failure to maintain the glider’s stability in the roll axis during the takeoff roll, which resulted in a dragged wingtip and ground loop.
- [NTSB ERA21LA290](https://openairdocs.org/ntsb/ERA21LA290.md): Cameron 0-105 · Piermont, NH · Accident · 1 fatal · Class 3 · Limited · Final report · Jul 15, 2021 · N2925L · Substantial damage
  > The balloon pilot’s delay in relighting the burner, which resulted in a hard landing and his ejection from the balloon.
- [NTSB ERA21LA289](https://openairdocs.org/ntsb/ERA21LA289.md): Piper PA-23 · Easton, MD · Accident · No injuries · Class 3 · Limited · Final report · Jul 15, 2021 · N776MC · Substantial damage
  > A total loss of left engine power and uncommanded feathering of the left propeller for reasons that could not be determined.
- [NTSB ERA21LA288](https://openairdocs.org/ntsb/ERA21LA288.md): Dehavilland Canada DHC-1 Chipmunk X · Lebanon, TN · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 15, 2021 · N47YC · Substantial damage
  > A total loss of engine power during the initial climb for reasons that could not be determined based on the available evidence.
- [NTSB CEN21LA324](https://openairdocs.org/ntsb/CEN21LA324.md): Aeronca 7AC · Rhinelander, WI · Accident · No injuries · Class 4 · Limited · Final report · Jul 15, 2021 · N84318 · Substantial damage
  > The pilot’s failure to maintain directional control during landing.
- [NTSB CEN21LA322](https://openairdocs.org/ntsb/CEN21LA322.md): Air Tractor AT502 · Edcouch, TX · Accident · No injuries · Class 4 · Limited · Final report · Jul 15, 2021 · N334LA · Substantial damage
  > The pilot’s inadequate compensation for a gusting wind during takeoff.
- [NTSB CEN21FA320](https://openairdocs.org/ntsb/CEN21FA320.md): Piper PA-28-180 · Muscatine, IA · Accident · 2 fatal · Class 3 · Field · Final report · Jul 14, 2021 · N2801T · Destroyed
  > The noninstrument-rated pilot’s continued visual flight under a thunderstorm, where he encountered reduced visibility due to heavy precipitation, resulting in a loss of control due to spatial disorientation.
- [NTSB WPR21FA270](https://openairdocs.org/ntsb/WPR21FA270.md): Cessna 421C · Monterey, CA · Accident · 2 fatal · Class 3 · Field · Final report · Jul 13, 2021 · N678SW · Destroyed
  > The pilot’s failure to maintain airplane control due to spatial disorientation during an instrument departure procedure in instrument meteorological conditions which resulted in a collision with terrain. Contributing to the accident was the pilot’s lack of…
- [NTSB ERA21LA291](https://openairdocs.org/ntsb/ERA21LA291.md): Cessna A150K · Brooksville, FL · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 13, 2021 · N8412M · Substantial damage
  > A total loss of engine power as a result of carburetor icing.
- [NTSB CEN21LA319](https://openairdocs.org/ntsb/CEN21LA319.md): Air Tractor AT-401 · Carroll, IA · Accident · No injuries · Class 3 · Limited · Final report · Jul 13, 2021 · N7315P · Substantial damage
  > The wear-related failure of the airframe fuel boost pump, which resulted in fuel starvation and a 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 WPR21LA267](https://openairdocs.org/ntsb/WPR21LA267.md): Just JA30 Superstol · May, ID · Accident · No injuries · Class 4 · Limited · Final report · Jul 11, 2021 · N17VP · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll, which resulted in a ground-loop and collision with terrain.
- [NTSB ERA21LA284](https://openairdocs.org/ntsb/ERA21LA284.md): Cessna 150 · Elba, AL · Accident · No injuries · Class 3 · Limited · Final report · Jul 11, 2021 · N8172S · Substantial damage
  > The partial loss of engine power due to the formation of carburetor ice, which resulted in reduced climb capability and impact with trees during takeoff.
- [NTSB CEN21LA316](https://openairdocs.org/ntsb/CEN21LA316.md): Cessna 172F · Eagle Butte, SD · Accident · No injuries · Class 3 · Limited · Final report · Jul 11, 2021 · N5340R · Substantial damage
  > A total loss of engine power due to the fatigue failure of the No. 6 connecting rod.
- [NTSB CEN21LA313](https://openairdocs.org/ntsb/CEN21LA313.md): Air Tractor AT802 · Newell, IA · Accident · No injuries · Class 4 · Limited · Final report · Jul 11, 2021 · N949TM · Substantial damage
  > The pilot’s failure to maintain adequate clearance from crops during an agricultural flight.
- [NTSB ANC21LA063](https://openairdocs.org/ntsb/ANC21LA063.md): Beech F35 · Yakutat, AK · Accident · No injuries · Class 4 · Limited · Final report · Jul 11, 2021 · N891JH · Substantial damage
  > The pilot’s failure to ensure adequate runway distance for landing.
- [NTSB ANC21LA059](https://openairdocs.org/ntsb/ANC21LA059.md): Cessna 170 · Rampart, AK · Accident · No injuries · Class 3 · Limited · Final report · Jul 11, 2021 · N2583C · Substantial damage
  > The pilot’s selection of unsuitable terrain for landing, which resulted in a nose over.
- [NTSB WPR21LA287](https://openairdocs.org/ntsb/WPR21LA287.md): Beech A36TC · Chandler, AZ · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 10, 2021 · N222HC · Substantial damage
  > The pilot’s delayed decision to abort the takeoff due to insufficient airspeed.
- [NTSB WPR21LA269](https://openairdocs.org/ntsb/WPR21LA269.md): Cessna 172R · Petaluma, CA · Accident · No injuries · Class 4 · Limited · Final report · Jul 10, 2021 · N996RA · Substantial damage
  > The pilot’s improper landing flare which resulted in a hard landing following a partial loss of electrical power. Contributing to the accident was the pilot’s distraction and hampered visual function.
- [NTSB WPR21FA266](https://openairdocs.org/ntsb/WPR21FA266.md): Beech C90 · Wikieup, AZ · Accident · 2 fatal · Class 3 · Field · Final report · Jul 10, 2021 · N3688P · Destroyed
  > The failure and separation of the left wing’s outboard section due to a fatigue crack in the lower spar cap. Contributing to the accident was the operator’s decision to repair the wing spar instead of replacing it as recommended by the aircraft manufacturer.…
- [NTSB WPR21FA265](https://openairdocs.org/ntsb/WPR21FA265.md): North Wing Mustang · Albany, OR · Accident · 2 fatal · Class 3 · Field · Final report · Jul 10, 2021 · UNREG · Substantial damage
  > The noncertificated pilot’s loss of aircraft control after a low-level turn with a bank angle that exceeded the manufacturer’s operating limitations.
- [NTSB ERA21LA283](https://openairdocs.org/ntsb/ERA21LA283.md): Bailey N Moyes Dragonfly · Charlestown, NH · Accident · 1 fatal · Class 3 · Limited · Final report · Jul 10, 2021 · N346FL · Substantial damage
  > The passenger’s decision to continue an unstable approach while at low altitude and in proximity to a known obstacle, which resulted in a collision with power lines.
- [NTSB CEN21LA315](https://openairdocs.org/ntsb/CEN21LA315.md): Cessna 421C · Longmont, CO · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 10, 2021 · N66NC · Substantial damage
  > The loss of performance for reasons that could not be determined.

Next page: https://openairdocs.org/ntsb.md?status=final&page=109

## 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."completionStatus" = 'Completed'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?page=108&status=final

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