# NTSB investigations: Sys/Comp malf/fail (non-power)

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 7 of 20 · 996 cases

## Cases, newest first

- [NTSB DCA21WA214](https://openairdocs.org/ntsb/DCA21WA214.md): Airbus A319 · Edinburgh, United Kingdom · Incident · Class 5 · Foreign · Aug 6, 2021 · G-DBCF · No damage
- [NTSB CEN21LA352](https://openairdocs.org/ntsb/CEN21LA352.md): North American AT-6F · Adrian, MI · Accident · No injuries · Class 4 · Limited · Final report · Jul 28, 2021 · N6601C · Substantial damage
  > The loss of control during landing due to the out of rig condition of the tailwheel which resulted in a ground loop and impact with the runway.
- [NTSB GAA21WA238](https://openairdocs.org/ntsb/GAA21WA238.md): Piper PA31 · Doncaster, United Kingdom · Incident · No injuries · Class 5 · Foreign · Jul 23, 2021 · G-UKCS · Minor damage
- [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 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 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 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 CEN21LA276](https://openairdocs.org/ntsb/CEN21LA276.md): Autogyro Cavalon · Collinsville, TX · Accident · No injuries · Class 3 · Limited · Final report · Jun 16, 2021 · N46JS · Substantial damage
  > The total loss of engine power due to the failure of both fuel pumps, which resulted in fuel starvation. The reason for the failure of both fuel pumps could not be determined based on available evidence.
- [NTSB CEN21LA267](https://openairdocs.org/ntsb/CEN21LA267.md): Great Lakes 2T-1A-1 · Roanoke, TX · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 14, 2021 · N503GL · Substantial damage
  > Inadequate maintenance of the brake system which resulted in the caliper binding closed and the subsequent loss of directional control during the landing roll.
- [NTSB DCA21WA154](https://openairdocs.org/ntsb/DCA21WA154.md): Boeing 777 · London, United Kingdom · Incident · Class 5 · Foreign · Jun 11, 2021 · G-YMMR · No damage
- [NTSB GAA21WA131](https://openairdocs.org/ntsb/GAA21WA131.md): Cessna 340 · Essex, United Kingdom · Accident · No injuries · Class 5 · Foreign · May 28, 2021 · N63EN · Substantial damage
- [NTSB ERA21FA233](https://openairdocs.org/ntsb/ERA21FA233.md): Bhi H60 Helicopters UH-60A · Leesburg, FL · Accident · 4 fatal · Class 3 · Field · Final report · May 25, 2021 · N9FH · Destroyed
  > The failure of the water tank snorkel support structure, which allowed the snorkel to contact the main rotor blades. Contributing to the accident was insufficient Federal Aviation Administration oversight of the supplemental type certificate process for the…
- [NTSB WPR21FA203](https://openairdocs.org/ntsb/WPR21FA203.md): Dassault Mirage F-1 · Las Vegas, NV · Accident · 1 fatal · Class 3 · Field · Final report · May 24, 2021 · N567EM · Destroyed
  > The pilot’s exceedance of the airplane’s critical angle of attack on approach and failure to fly a traffic pattern track consistent with a no-flap configuration. Contributing to the accident was the failure of the airplane’s flaps to extend while in the…
- [NTSB CEN21LA244](https://openairdocs.org/ntsb/CEN21LA244.md): Dehavilland DHC-2 MK.I · Oak Island, MN · Accident · Serious injuries · Class 3 · Limited · Final report · May 22, 2021 · N218RD · Minor damage
  > The failure of an O-ring in the landing gear system, which resulted in the inadvertent extension of the main wheel in the amphibious float. Contributing to the accident was the pilot’s decision to depart with a known hydraulic leak in the landing gear system.
- [NTSB ERA21FA224](https://openairdocs.org/ntsb/ERA21FA224.md): Piper PA-31P · Myrtle Beach, SC · Accident · 1 fatal · Class 3 · Field · Final report · May 21, 2021 · N575BC · Destroyed
  > The mechanic’s inadvertent installation of the elevator trim tabs in reverse, which resulted in the pitch trim system operating opposite of the pilot’s input and the pilot’s subsequent loss of control.
- [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 ERA21LA208](https://openairdocs.org/ntsb/ERA21LA208.md): Israel Aerospace Industries Gulfstream G150 · Ridgeland, SC · Accident · No injuries · Class 3 · Limited · Final report · May 5, 2021 · N22ST · Substantial damage
  > The flight crew’s continuation of an unstable approach and the failure of the ground air brakes to deploy upon touchdown, both of which resulted in the runway overrun. Contributing was the crew’s motivation and response to external pressures to complete the…
- [NTSB ENG21WA030](https://openairdocs.org/ntsb/ENG21WA030.md): De Havilland DHC6 · Wallis & Futuna, Wallis & Futuna · Incident · Class 5 · Foreign · May 3, 2021 · F-OCQZ · No damage
- [NTSB ERA21LA198](https://openairdocs.org/ntsb/ERA21LA198.md): Cessna 172M · Fredericksburg, VA · Accident · No injuries · Class 4 · Limited · Final report · Apr 24, 2021 · N80874 · Substantial damage
  > The student pilot reported that, during the landing roll, he applied brakes and the airplane veered right. He was unable to correct back to the centerline or brake effectively; the airplane exited the runway and struck an embankment before coming to rest. The…
- [NTSB ERA21LA183](https://openairdocs.org/ntsb/ERA21LA183.md): Piper PA-28-140 · Weyers Cave, VA · Accident · Serious injuries · Class 3 · Limited · Final report · Apr 12, 2021 · N7242F · Substantial damage
  > Maintenance personnel’s inadequate inspection of the rudder control system, which resulted in failure of the rudder control assembly and the pilot’s loss of control during a go-around.
- [NTSB ERA21LA177](https://openairdocs.org/ntsb/ERA21LA177.md): Forisch Edward Bushby Mustang M II · Worcester, MA · Accident · No injuries · Class 3 · Limited · Final report · Apr 6, 2021 · N61EF · Substantial damage
  > Binding of the left aileron bellcrank push/pull rod, which resulted in an uncommanded right turn.
- [NTSB WPR21LA362](https://openairdocs.org/ntsb/WPR21LA362.md): Maule MX-7-235 · Ontario, OR · Accident · No injuries · Class 3 · Limited · Final report · Mar 28, 2021 · N235X · Substantial damage
  > A loss of hydraulic fluid and failure of the right brake for reasons that could not be determined due to a lack of available evidence.
- [NTSB DCA21WA107](https://openairdocs.org/ntsb/DCA21WA107.md): Boeing 757-24APF · San Salvador, El Salvador · Incident · Class 5 · Foreign · Mar 24, 2021 · N464UP · No damage
- [NTSB CEN21LA164](https://openairdocs.org/ntsb/CEN21LA164.md): Cameron Balloons Z-90 · Celina, TX · Accident · No injuries · Class 4 · Limited · Final report · Mar 20, 2021 · N4505B · Substantial damage
  > The malfunction of the balloon’s envelope venting system during landing in high wind, which resulted in the balloon being dragged along the ground, substantially damaging the envelope.
- [NTSB ANC21LA022](https://openairdocs.org/ntsb/ANC21LA022.md): Cessna A185F · Skwentna, AK · Accident · No injuries · Class 3 · Limited · Final report · Mar 5, 2021 · N1848R · Substantial damage
  > Installation of improper hardware on the ski check cable. Contributing to the accident was the inadequate inspection of the ski yokes, which resulted in the subsequent failure of the right main landing gear ski yoke and collapse of the right main landing gear…
- [NTSB ERA21LA147](https://openairdocs.org/ntsb/ERA21LA147.md): Cessna P210N · Johnstown, NY · Accident · No injuries · Class 3 · Limited · Final report · Mar 2, 2021 · N4629K · Substantial damage
  > A failure of the landing gear system hydraulic pump assembly for reasons that could not be determined based on available evidence. Contributing was the pilot’s failure to confirm that the landing gear was down and locked before landing.
- [NTSB ERA21LA138](https://openairdocs.org/ntsb/ERA21LA138.md): Dassault Mirage F1 B · Panama City, FL · Accident · Serious injuries · Class 3 · Limited · Final report · Feb 25, 2021 · N601AX · Substantial damage
  > Nose landing gear contact with a raised aircraft arresting system during takeoff, which damaged components of the nose wheel steering system and resulted in an uncommanded left turn and loss of directional control.
- [NTSB DCA21WA087](https://openairdocs.org/ntsb/DCA21WA087.md): Boeing 757 · Leipzig, Germany · Incident · Class 5 · Foreign · Feb 13, 2021 · G-DHKZ · Minor damage
- [NTSB GAA21WA026](https://openairdocs.org/ntsb/GAA21WA026.md): Cessna 340A · Toulouse, France · Accident · No injuries · Class 5 · Foreign · Feb 2, 2021 · N8618G · Substantial damage
- [NTSB GAA21WA020](https://openairdocs.org/ntsb/GAA21WA020.md): Cessna 414 · Guerrero Negro, Mexico · Accident · No injuries · Class 5 · Foreign · Jan 28, 2021 · N141GP · Substantial damage
- [NTSB GAA21WA160](https://openairdocs.org/ntsb/GAA21WA160.md): Socata TB10 · Salamanca, Spain · Accident · No injuries · Class 5 · Foreign · Jan 12, 2021 · EC-FTJ · Minor damage
- [NTSB ERA21LA100](https://openairdocs.org/ntsb/ERA21LA100.md): Murphy Rebel · O'Brien, FL · Accident · No injuries · Class 4 · Limited · Final report · Jan 4, 2021 · N616PM · Substantial damage
  > A partially engaged right wheel brake, which restricted the airplane’s acceleration and the pilot’s ability to pitch to takeoff attitude, and resulted in an aborted takeoff and subsequent runway excursion.
- [NTSB ERA21LA068](https://openairdocs.org/ntsb/ERA21LA068.md): Beech V35A · Attalla, AL · Accident · 1 fatal · Class 3 · Limited · Final report · Dec 12, 2020 · N5470U · Destroyed
  > A loss of control inflight and the failure of a component of the up elevator flight control system due to fatigue, which rendered recovery from a right descending turn improbable.
- [NTSB ERA21LA062](https://openairdocs.org/ntsb/ERA21LA062.md): Ercoupe 415 · South Boston, VA · Accident · No injuries · Class 3 · Limited · Final report · Dec 6, 2020 · N2674H · Substantial damage
  > The improper installation of a fuel filter screen cover gasket, which resulted in its failure, fuel starvation, and a subsequent total loss of engine power during cruise flight. Contributing to the accident was the unapproved fuel sight gauge, which obscured…
- [NTSB CEN21LA070](https://openairdocs.org/ntsb/CEN21LA070.md): Piper PA38 · Franklin, AR · Accident · 2 fatal · Class 3 · Limited · Final report · Nov 30, 2020 · N9879T · Destroyed
  > The impairment of both pilots from carbon monoxide exposure due to a degraded muffler. Contributing to the accident was the inadequate maintenance inspection, which failed to detect the degraded muffler.
- [NTSB ERA21LA044](https://openairdocs.org/ntsb/ERA21LA044.md): Cessna 305 · Ellenville, NY · Accident · No injuries · Class 4 · Limited · Final report · Nov 14, 2020 · N5179G · Substantial damage
  > The failure of the right brake master cylinder lock seal spring washer.
- [NTSB CEN21WA038](https://openairdocs.org/ntsb/CEN21WA038.md): Cessna 208 · Pickle Lake, Canada · Incident · No injuries · Class 5 · Foreign · Oct 27, 2020 · CFPCC · No damage
- [NTSB ERA21LA031](https://openairdocs.org/ntsb/ERA21LA031.md): Sparrowhawk II · North Myrtle Beach, SC · Accident · No injuries · Class 4 · Limited · Final report · Oct 7, 2020 · N40380 · Substantial damage
  > A ruptured fuel line, which resulted in fuel starvation to the engine and a total loss of engine power.
- [NTSB CEN21LA023](https://openairdocs.org/ntsb/CEN21LA023.md): Evolution Revolt · Durango, CO · Accident · No injuries · Class 4 · Limited · Final report · Oct 4, 2020 · N912RE · Substantial damage
  > The pilot’s loss of directional control during landing following a hard landing and failure of the right main tire.
- [NTSB ENG21WA005](https://openairdocs.org/ntsb/ENG21WA005.md): ATR ATR72 · Makassar, Indonesia · Incident · Class 5 · Foreign · Oct 3, 2020 · PK-WGT · No damage
- [NTSB CEN20WA418](https://openairdocs.org/ntsb/CEN20WA418.md): Sikorsky S92 · Sola, Norway · Incident · No injuries · Class 4 · Foreign · Sep 25, 2020 · LN-ONQ · No damage
- [NTSB CEN20CA416](https://openairdocs.org/ntsb/CEN20CA416.md): Cessna 172RG · Lafayette, IN · Accident · No injuries · Class 4 · Data collection · Final report · Sep 21, 2020 · N6330V · Substantial damage
  > The separation failure of a landing gear system hydraulic line and its compression fitting during cruise flight, which resulted in a partial gear up landing.
- [NTSB ANC20LA098](https://openairdocs.org/ntsb/ANC20LA098.md): Cessna 182 · King Salmon, AK · Accident · No injuries · Class 3 · Limited · Final report · Sep 21, 2020 · N182KT · Substantial damage
  > The fatigue fracture failure of the left main landing gear U-bolt during landing, which resulted in the collapse and separation of the left main landing gear spring.
- [NTSB WPR20CA298](https://openairdocs.org/ntsb/WPR20CA298.md): Cessna 208 · Whitmore, AZ · Accident · No injuries · Class 4 · Data collection · Final report · Sep 7, 2020 · N186GC · Substantial damage
  > A loss of directional control during landing due to a flat main landing gear tire, which resulted in a lateral runway excursion and impact with terrain.
- [NTSB WPR20LA288](https://openairdocs.org/ntsb/WPR20LA288.md): Cessna 210 · Chino, CA · Accident · No injuries · Class 3 · Limited · Final report · Aug 26, 2020 · N9540T · Substantial damage
  > The failure of the engine-driven hydraulic pump, which resulted in the main landing gear not fully extending and locking into place during landing. Contributing to the accident was the failure of the emergency gear extension system for reasons that could not…
- [NTSB WPR20LA301](https://openairdocs.org/ntsb/WPR20LA301.md): Lake LA4 · Rawlins, WY · Accident · 1 fatal · Class 3 · Limited · Final report · Aug 25, 2020 · N93AB · Substantial damage
  > The pilot’s decision to depart despite a known mechanical trim malfunction and with a high-density altitude and the airplane at or above its maximum gross weight.
- [NTSB DCA20WA141](https://openairdocs.org/ntsb/DCA20WA141.md): Boeing 737 · Mexico City, Mexico · Incident · No injuries · Foreign investigation · Aug 24, 2020 · N806NN · No damage
  > The DGAC of Mexico has notified the NTSB of an incident involving a Boeing 737 airplane that occurred on August 24, 2020. The NTSB has appointed a U.S. Accredited Representative to assist the DGAC's investigation under the provisions of ICAO Annex 13.All…
- [NTSB CEN20LA353](https://openairdocs.org/ntsb/CEN20LA353.md): Air Tractor AT602 · Inverness, MS · Accident · No injuries · Class 3 · Limited · Final report · Aug 20, 2020 · N604MG · Substantial damage
  > The pilot’s decision to move the power control lever into beta during flight, which resulted in the power control lever and associated linkage becoming stuck in the beta position.
- [NTSB DCA20LA138](https://openairdocs.org/ntsb/DCA20LA138.md): Boeing 767 · Los Angeles, CA · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 19, 2020 · N146FE · Substantial damage
  > The left main landing gear’s failure to extend due to the separation of the brake rod retaining hardware from the aft inboard wheel for reasons that could not be determined based on the available evidence.
- [NTSB CEN20LA330](https://openairdocs.org/ntsb/CEN20LA330.md): Robinson R44 · Logan, IA · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 8, 2020 · N89LA · Substantial damage
  > The failure of the lower actuator bearing support brackets, which resulted in the misalignment of the clutch actuator, a loss of belt tension on the main rotor drive system, and a subsequent forced landing.

Next page: https://openairdocs.org/ntsb-events/330/sequence.md?page=8

## 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."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '330' 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/330/sequence?page=7

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