# 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 179 of 3,613 · 180,630 cases

## Cases, newest first

- [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 GAA21WA181](https://openairdocs.org/ntsb/GAA21WA181.md): Cessna 150 · Marcos Paz, Argentina · Accident · 2 fatal · Class 5 · Foreign · Jul 16, 2021 · LV-JFK · Substantial damage
- [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 ENG21WA047](https://openairdocs.org/ntsb/ENG21WA047.md): Tecnam P2008 · Vardi, India · Accident · 1 fatal · Class 5 · Foreign · Jul 16, 2021 · VT-BRP · Destroyed
- [NTSB DCA21WA181](https://openairdocs.org/ntsb/DCA21WA181.md): Boeing 787 · Dublin, Ireland · Incident · Class 5 · Foreign · Jul 16, 2021 · N873BB · 2 aircraft · Minor damage
- [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 GAA21WA193](https://openairdocs.org/ntsb/GAA21WA193.md): Sikorsky S92 · South Havra, United Kingdom · Accident · Class 5 · Foreign · Jul 15, 2021 · G-MCGI
- [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 ENG21WA034](https://openairdocs.org/ntsb/ENG21WA034.md): Cessna P206 · Kamarang, Guyana · Accident · Class 5 · Foreign · Jul 15, 2021 · 8R-DAC · Substantial damage
- [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 GAA21WA259](https://openairdocs.org/ntsb/GAA21WA259.md): Cessna 208 · Eteringbang, Guyana · Accident · No injuries · Class 5 · Foreign · Jul 14, 2021 · 8R-ABK · Substantial damage
- [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 GAA21WA171](https://openairdocs.org/ntsb/GAA21WA171.md): Bell 412 · Ejea de los Caballeros, Spain · Accident · Class 5 · Foreign · Jul 11, 2021 · EC-MTS · Substantial damage
- [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 ENG21WA032](https://openairdocs.org/ntsb/ENG21WA032.md): Airbus A220 · Copenhagen, Denmark · Incident · Class 4 · Foreign · Jul 11, 2021 · YL-AAQ · No damage
- [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 GAA21WA170](https://openairdocs.org/ntsb/GAA21WA170.md): Joplin Tundra · Athens, Canada · Accident · 1 fatal · Class 5 · Foreign · Jul 10, 2021 · C-IJGB · Substantial damage
- [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.
- [NTSB WPR21LA285](https://openairdocs.org/ntsb/WPR21LA285.md): Cessna T210 · Missoula, MT · Accident · No injuries · Class 4 · Limited · Final report · Jul 9, 2021 · N6856R · Substantial damage
  > The pilot's failure to extend the landing gear during landing. Contributing to the accident was the pilot’s failure to use a pre-landing checklist.
- [NTSB WPR21LA276](https://openairdocs.org/ntsb/WPR21LA276.md): Payne Steven R RV-8 · Hillsboro, OR · Accident · No injuries · Class 4 · Limited · Final report · Jul 9, 2021 · N526KP · 2 aircraft · Substantial damage
  > The second pilot’s diverted attention while taxing which, resulted in his failure to maintain clearance from another airplane holding short of the runway.
- [NTSB GAA21WA252](https://openairdocs.org/ntsb/GAA21WA252.md): Diamond HK36 · Locarno, Switzerland · Incident · No injuries · Class 5 · Foreign · Jul 9, 2021 · HB-2314 · Minor damage
- [NTSB CEN21LA432](https://openairdocs.org/ntsb/CEN21LA432.md): Bell 206L-3 · Berlin, IL · Accident · No injuries · Class 4 · Limited · Final report · Jul 9, 2021 · N170AM · Substantial damage
  > The pilot’s failure to maintain control of the helicopter with a stuck skid, which resulted in a dynamic rollover.
- [NTSB ANC21LA057](https://openairdocs.org/ntsb/ANC21LA057.md): Dehavilland DHC-2-L-20 · Coffman Cove, AK · Accident · No injuries · Class 4 · Limited · Final report · Jul 9, 2021 · N9279Z · Substantial damage
  > The pilot’s impact with a buoy on takeoff which resulted in a nose-over.
- [NTSB GAA21WA210](https://openairdocs.org/ntsb/GAA21WA210.md): Cessna 172 · Beirut, Lebanon · Accident · Class 5 · Foreign · Jul 8, 2021 · OD-AAB · Destroyed
- [NTSB GAA21WA172](https://openairdocs.org/ntsb/GAA21WA172.md): Douglas DC3 · Restrepo, Colombia · Accident · 3 fatal · Class 5 · Foreign · Jul 8, 2021 · HK-2820 · Destroyed
- [NTSB GAA21WA169](https://openairdocs.org/ntsb/GAA21WA169.md): De Havilland DHC2 · Örebro, Sweden · Accident · 9 fatal · Class 5 · Foreign · Jul 8, 2021 · SE-KKD · Destroyed
- [NTSB WPR21LA274](https://openairdocs.org/ntsb/WPR21LA274.md): Scott Mills CCX-2000 · Independence, OR · Accident · No injuries · Class 4 · Limited · Final report · Jul 7, 2021 · N536SJ · Substantial damage
  > The pilot's loss of directional control while landing, which resulted in a runaway excursion and subsequent ground loop.
- [NTSB WPR21LA268](https://openairdocs.org/ntsb/WPR21LA268.md): Bell 212HP · Weed, CA · Accident · No injuries · Class 3 · Limited · Final report · Jul 7, 2021 · N911KW · Substantial damage
  > The pilot’s failure to maintain altitude during an approach to a lake. Contributing to the accident was the pilot’s failure to release the full water bucket as the helicopter was settling, which reduced the helicopter’s out-of-ground-effect performance.

Next page: https://openairdocs.org/ntsb.md?page=180

## 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
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?page=179

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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.
