# Final 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 1 of 17 · 830 cases

## Latest cases

- [NTSB WPR26LA203](https://openairdocs.org/ntsb/WPR26LA203.md): Pzl-Swidnik PW-5 · Soap Lake, WA · Accident · No injuries · Class 4 · Limited · Final report · May 23, 2026 · N157AJ · Substantial damage
  > The pilot’s failure to ensure the proper preflight assembly of the glider's wing attachment system, which resulted in substantial damage to the wing structure during flight.
- [NTSB ERA26LA189](https://openairdocs.org/ntsb/ERA26LA189.md): Piper PA-34-220T · Kissimmee, FL · Accident · No injuries · Class 4 · Limited · Final report · Apr 24, 2026 · N6XT · Substantial damage
  > Fracture of the left main landing gear trunnion during landing, which resulted in a loss of directional control during landing and subsequent runway excursion.
- [NTSB WPR26LA159](https://openairdocs.org/ntsb/WPR26LA159.md): Cirrus Design SR22T · Fullerton, CA · Accident · Minor injuries · Class 4 · Limited · Final report · Apr 13, 2026 · N285AH · Substantial damage
  > The pilot’s loss of control during takeoff, due to the seat sliding aft.
- [NTSB CEN26LA166](https://openairdocs.org/ntsb/CEN26LA166.md): Diamond Aircraft Ind DA 42 NG · Colorado Springs, CO · Accident · No injuries · Class 4 · Limited · Final report · Apr 9, 2026 · N311LH · Substantial damage
  > Maintenance personnel's installation of an oversized tire, which prevented the left main landing gear from extending resulting in a precautionary gear up landing.
- [NTSB CEN26LA163](https://openairdocs.org/ntsb/CEN26LA163.md): Textron T206H · Wichita, KS · Accident · No injuries · Class 4 · Limited · Final report · Apr 3, 2026 · N411CV · Substantial damage
  > The flight crew’s failure to ensure that the rear cargo door was properly latched before flight.
- [NTSB ANC26LA022](https://openairdocs.org/ntsb/ANC26LA022.md): Cessna A185F · Skwentna, AK · Accident · No injuries · Class 4 · Limited · Final report · Mar 28, 2026 · N94237 · Substantial damage
  > The pilot’s loss of directional control during landing roll due to contact with wind hardened snow berm and subsequent failure of main landing gear.
- [NTSB WPR26LA143](https://openairdocs.org/ntsb/WPR26LA143.md): Paul D Cannon Kitfox Light Squared · Lincoln, CA · Accident · No injuries · Class 4 · Limited · Final report · Mar 27, 2026 · N11446 · Substantial damage
  > The pilot's failure to properly flare the airplane during landing, which resulted in a hard landing and separation of the main landing gear. Contributing to the accident was the improper installation and over torquing of the landing gear attachment hardware,…
- [NTSB ERA26LA113](https://openairdocs.org/ntsb/ERA26LA113.md): Cessna 320C · Bartow, FL · Accident · No injuries · Class 4 · Limited · Final report · Feb 9, 2026 · N3034T · Substantial damage
  > Maintenance personnel’s failure to perform an adequate inspection of the airplane’s landing gear, which resulted in a collapse of the left main landing gear during landing.
- [NTSB WPR26LA102](https://openairdocs.org/ntsb/WPR26LA102.md): Cessna 172M · Nampa, ID · Accident · No injuries · Class 4 · Limited · Final report · Feb 5, 2026 · N4464R · Substantial damage
  > The pilot’s failure to verify that the seat locking pins were fully engaged before takeoff, which allowed the seat to slide aft during the takeoff roll and resulted in a loss of directional control.
- [NTSB CEN26LA105](https://openairdocs.org/ntsb/CEN26LA105.md): Cessna 441 · Pflugerville, TX · Accident · Minor injuries · Class 4 · Limited · Final report · Jan 31, 2026 · N441EC · Substantial damage
  > The pilot’s failure to maintain airplane control during a rejected takeoff due to a flat nose wheel tire which resulted in a runway excursion and impact with terrain. Contributing to the accident was pilot fatigue which delayed the rejected takeoff.
- [NTSB WPR26LA075](https://openairdocs.org/ntsb/WPR26LA075.md): Maule M-5-235C · Jay Em, WY · Accident · No injuries · Class 4 · Limited · Final report · Jan 1, 2026 · N56500 · Substantial damage
  > The loss of directional control and subsequent nose over due to the inadvertent engagement of the right wheel parking brake as a result of cabin floor carpeting migrating between the right brake master cylinder and parking brake locking lever.
- [NTSB ERA26LA076](https://openairdocs.org/ntsb/ERA26LA076.md): Cessna 172N · East Farmingdale, NY · Accident · No injuries · Class 4 · Limited · Final report · Dec 22, 2025 · N1517E · 2 aircraft · Minor damage
  > A loss of brake effectiveness during taxi, which resulted in a collision with another airplane.
- [NTSB ERA26LA043](https://openairdocs.org/ntsb/ERA26LA043.md): Beech 95-B55 · Dothan, AL · Accident · No injuries · Class 4 · Limited · Final report · Nov 14, 2025 · N711FA · Substantial damage
  > The failure of the left main landing gear actuator rods, which resulted in a gear up landing.
- [NTSB ERA26LA028](https://openairdocs.org/ntsb/ERA26LA028.md): Consolidated Vultee 28-5ACF · Dayton, TN · Accident · No injuries · Class 4 · Limited · Final report · Oct 31, 2025 · N222FT · Substantial damage
  > The collapse of the left main landing gear due to the fatigue fracture of the lower landing gear actuator bolt.
- [NTSB WPR26LA029](https://openairdocs.org/ntsb/WPR26LA029.md): Roderick James Willmore Kitfox S7 Supersport · Kilgore, ID · Accident · No injuries · Class 4 · Limited · Final report · Oct 18, 2025 · N98RW · Substantial damage
  > The pilot's failure to maintain directional control during the takeoff. Contributing to the accident was the separation of the control stick grip.
- [NTSB CEN25LA398](https://openairdocs.org/ntsb/CEN25LA398.md): Piper PA-60-601P · Del Norte, CO · Accident · No injuries · Class 4 · Limited · Final report · Sep 27, 2025 · N3635A · Substantial damage
  > The loss of directional control during landing roll due to a flat tire.
- [NTSB CEN25LA392](https://openairdocs.org/ntsb/CEN25LA392.md): Diamond DA20-C1 · Terre Haute, IN · Accident · No injuries · Class 4 · Limited · Final report · Sep 19, 2025 · N544KC · Substantial damage
  > The failure of the nose landing gear strut and associated nosewheel separation during takeoff.
- [NTSB CEN25LA382](https://openairdocs.org/ntsb/CEN25LA382.md): Beech C23 · South Bend, IN · Accident · No injuries · Class 4 · Limited · Final report · Sep 10, 2025 · N997V · Substantial damage
  > The pilot’s failure to maintain control of the airplane during a go around which resulted in an aerodynamic stall. Contributing to the accident was the loss of directional control during the landing roll.
- [NTSB ERA25LA337](https://openairdocs.org/ntsb/ERA25LA337.md): Larocca Roch B Eracer MK II · Mount Pleasant, SC · Accident · No injuries · Class 4 · Limited · Final report · Sep 5, 2025 · N382RB · Substantial damage
  > The failure of the nose gear actuator bolt during the landing roll, which resulted in the collapse of the nose landing gear and subsequent runway excursion.
- [NTSB WPR25LA300](https://openairdocs.org/ntsb/WPR25LA300.md): Aeronca 7AC · Firebaugh, CA · Accident · No injuries · Class 4 · Limited · Final report · Sep 1, 2025 · N82003 · Substantial damage
  > A loss of directional control during landing due to the partial separation of the right main landing gear oleo strut from a failed weld.
- [NTSB ERA25LA339](https://openairdocs.org/ntsb/ERA25LA339.md): Cirrus Design SR20 · Charleston, WV · Accident · No injuries · Class 4 · Limited · Final report · Aug 24, 2025 · N241MU · Substantial damage
  > A flat left main landing gear tire, which resulted in a loss of directional control and runway excursion during landing.
- [NTSB CEN25LA333](https://openairdocs.org/ntsb/CEN25LA333.md): Parks Fokker D-VII Replica · Englewood, CO · Accident · No injuries · Class 4 · Limited · Final report · Aug 22, 2025 · N18852 · Substantial damage
  > A malfunction of the tailwheel which resulted in a runway excursion and ground loop.
- [NTSB DCA25LA275](https://openairdocs.org/ntsb/DCA25LA275.md): Boeing 737-8 · Denver, CO · Accident · No injuries · Class 4 · Limited · Final report · Jul 26, 2025 · N306SW · Substantial damage
  > The failure of the airplane’s left main landing gear tires and wheels during the takeoff roll due to the thermal relief plugs melting and releasing tire pressure, which resulted in abnormal airplane handling characteristics and led the flight crew to reject…
- [NTSB CEN25LA287](https://openairdocs.org/ntsb/CEN25LA287.md): Aerotek Pitts S-2A · New Holstein, WI · Accident · No injuries · Class 4 · Limited · Final report · Jul 26, 2025 · N83PS · Substantial damage
  > The pilot’s loss of direction control during landing due to an unapproved tailwheel assembly and tail spring that resulted in a tailwheel shimmy and a subsequent ground loop.
- [NTSB ANC25LA076](https://openairdocs.org/ntsb/ANC25LA076.md): Cessna 180H · Gulkana, AK · Accident · No injuries · Class 4 · Limited · Final report · Jul 17, 2025 · N91393 · Substantial damage
  > The failure of the left rudder assembly which resulted in a runway excursion and ground loop.
- [NTSB ANC25LA059](https://openairdocs.org/ntsb/ANC25LA059.md): Cessna 170B · Denali Park, AK · Accident · No injuries · Class 4 · Limited · Final report · Jun 25, 2025 · N2655D · Substantial damage
  > The failure of the left main landing gear spring due to a fatigue fracture during landing on uneven terrain.
- [NTSB ERA25LA223](https://openairdocs.org/ntsb/ERA25LA223.md): Piper PA22 · Hebron, OH · Accident · No injuries · Class 4 · Limited · Final report · Jun 7, 2025 · N6804B · Substantial damage
  > The airplane owner and pilot’s intentional allowance of unapproved maintenance and maintenance personnel’s failure to adequately maintain or service the brake system, which resulted in a total loss of brake pressure.
- [NTSB CEN25LA174](https://openairdocs.org/ntsb/CEN25LA174.md): Piper PA-44-180 · Saint James, MN · Accident · No injuries · Class 4 · Limited · Final report · May 10, 2025 · N453MK · Substantial damage
  > The failure of the left main landing gear tire casing and tube due to excessive wear which resulted in a loss of directional control during the landing.
- [NTSB WPR25LA178](https://openairdocs.org/ntsb/WPR25LA178.md): Piper PA-28R-200 · Vancouver, WA · Accident · No injuries · Class 4 · Limited · Final report · Apr 4, 2025 · N9404N · Substantial damage
  > A failure of the brake system during landing due to a hydraulic fluid leak, which resulted in a runway excursion.
- [NTSB WPR25LA122](https://openairdocs.org/ntsb/WPR25LA122.md): Beech C90A · Helena, MT · Accident · No injuries · Class 3 · Limited · Final report · Mar 16, 2025 · N513JM · Substantial damage
  > The failure of the left main landing gear to fully extend and lock as a result of broken downlock switch wires and the failure of the pilots to complete the manual gear extension checklist.
- [NTSB ANC25LA030](https://openairdocs.org/ntsb/ANC25LA030.md): Cessna A185F · Skwentna, AK · Accident · No injuries · Class 3 · Limited · Final report · Mar 7, 2025 · N1718R · Substantial damage
  > Maintenance personnel’s reuse of worn hardware during the installation of the landing gear assembly and the hardware’s failure and subsequent separation of the gear leg from the landing gear box assembly during taxi.
- [NTSB ANC25LA021](https://openairdocs.org/ntsb/ANC25LA021.md): Gippsland GA-8 · Lihue, HI · Accident · Minor injuries · Class 3 · Limited · Final report · Feb 28, 2025 · N699AV · Substantial damage
  > The failure of the right landing gear leg due to a fatigue crack, which resulted in its separation from the airplane during taxi. Contributing to the accident, was the mechanic’s inadequate inspection of the landing gear leg during the last maintenance…
- [NTSB WPR25LA102](https://openairdocs.org/ntsb/WPR25LA102.md): Cessna 172S · La Verne, CA · Accident · No injuries · Class 3 · Limited · Final report · Feb 23, 2025 · N137RJ · Substantial damage
  > The failure of the right main landing gear tubular spring due to a fatigue crack that originated at the airframe connecting bolt hole and progressed to an overstress fracture.
- [NTSB CEN25LA083](https://openairdocs.org/ntsb/CEN25LA083.md): Raytheon Hawker 800XP · Minneapolis, MN · Accident · No injuries · Class 4 · Limited · Final report · Jan 20, 2025 · N6NR · Substantial damage
  > The failure of the nose landing gear to extend for undetermined reasons.
- [NTSB ERA25LA100](https://openairdocs.org/ntsb/ERA25LA100.md): Consolidated Aeronautics Lake LA-4-200 · Orange, MA · Accident · No injuries · Class 4 · Limited · Final report · Jan 12, 2025 · N8BZ · Substantial damage
  > Failure of the left main landing gear to fully extend and lock for undetermined reasons as a functional test of the landing gear system could not duplicate the anomaly.
- [NTSB ERA25LA096](https://openairdocs.org/ntsb/ERA25LA096.md): Piper PA-44-180 · Pompano Beach, FL · Accident · No injuries · Class 4 · Limited · Final report · Jan 10, 2025 · N555HF · Substantial damage
  > The separation of the securing hardware for the right main landing gear upper and lower torque links for undetermined reasons, which prevented extension of the right main landing gear.
- [NTSB ERA25LA091](https://openairdocs.org/ntsb/ERA25LA091.md): Helio HT-295 · Marion, OH · Accident · No injuries · Class 3 · Limited · Final report · Jan 5, 2025 · N18JC · Substantial damage
  > The failure of the right main landing gear spring due to intergranular stress-corrosion cracking that progressed into fatigue. Contributing to the accident was the improper rework of the spring at an undetermined time.
- [NTSB CEN25LA068](https://openairdocs.org/ntsb/CEN25LA068.md): Cirrus Design SR22T · Lubbock, TX · Accident · Minor injuries · Class 4 · Limited · Final report · Jan 3, 2025 · N725DC · Destroyed
  > The loss of directional control during the takeoff roll for undermined reasons that resulted in an impact with trees.
- [NTSB ERA25LA094](https://openairdocs.org/ntsb/ERA25LA094.md): Beech 58 · Florence, SC · Accident · No injuries · Class 4 · Limited · Final report · Dec 27, 2024 · N458K · Substantial damage
  > The pilot’s failure to follow the emergency procedures and extend the landing gear manually after the landing gear did not initially extend normally.
- [NTSB CEN25LA061](https://openairdocs.org/ntsb/CEN25LA061.md): Piper PA-28R-200 · Crystal, MN · Accident · No injuries · Class 4 · Limited · Final report · Dec 12, 2024 · N4823F · Substantial damage
  > The malfunction of the landing gear system which resulted in a collapse of the main landing gear during the landing roll.
- [NTSB WPR25LA059](https://openairdocs.org/ntsb/WPR25LA059.md): Boeing A75N1(PT17) · El Cajon, CA · Accident · No injuries · Class 4 · Limited · Final report · Dec 8, 2024 · N9199R · Substantial damage
  > The pilot’s inability to maintain directional control during landing with a flat tire.
- [NTSB ERA25LA070](https://openairdocs.org/ntsb/ERA25LA070.md): William M Clapp CLAPP-SABERWING · Valdosta, GA · Accident · Serious injuries · Class 4 · Limited · Final report · Dec 7, 2024 · N100SW · Substantial damage
  > A hard landing and subsequent gear collapse due to the pilot’s failure to securely close the airplane canopy and its subsequent opening on short final.
- [NTSB ANC25LA009](https://openairdocs.org/ntsb/ANC25LA009.md): Cessna 180 · Egegik, AK · Accident · No injuries · Class 3 · Limited · Final report · Nov 29, 2024 · N9140R · Substantial damage
  > A failure of the right main landing gear leg for reasons that could not be determined.
- [NTSB ERA25LA068](https://openairdocs.org/ntsb/ERA25LA068.md): Diamond Aircraft Ind DA 42 NG · Daytona Beach, FL · Accident · No injuries · Class 4 · Limited · Final report · Nov 15, 2024 · N508PA · Substantial damage
  > The maintenance technician’s failure to follow the manufacturer’s recommended procedures during a wheel and tire change to ensure proper clearance of the tire to the wheel well resulting in the right main wheel becoming stuck in the well and subsequent…
- [NTSB ERA25LA030](https://openairdocs.org/ntsb/ERA25LA030.md): Zenith Zodiac 601 HDS · Altoona, PA · Accident · No injuries · Class 3 · Limited · Final report · Oct 17, 2024 · N511JG · Substantial damage
  > The total loss of engine power due to fuel starvation as a result of a deteriorated gascolator gasket. Contributing was the failure of the mechanic to replace the gasket during the most recent condition inspection.
- [NTSB CEN25LA013](https://openairdocs.org/ntsb/CEN25LA013.md): Rotorway Exec · Plymouth, IN · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 11, 2024 · N314AC · Substantial damage
  > A loss of control due to the failed forward tail rotor belt as a result of the owner’s failure to follow the helicopter manufacturer’s tail rotor belt replacement recommendations.
- [NTSB CEN25LA009](https://openairdocs.org/ntsb/CEN25LA009.md): Quicksilver GT 400 · Garden Ridge, TX · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 8, 2024 · N2490H · Substantial damage
  > A loss of engine power that resulted from improper fuel system maintenance and the subsequent fuel starvation due to the leaking fuel pump outlet fuel line.
- [NTSB CEN25LA007](https://openairdocs.org/ntsb/CEN25LA007.md): Mooney M20E · Richmond, TX · Accident · No injuries · Class 3 · Limited · Final report · Oct 8, 2024 · N9151V · Substantial damage
  > The partial separation of a portion of the propeller spinner and its mounting bulkhead along with the upper cowl fairing while in a full-power climb.
- [NTSB CEN25LA002](https://openairdocs.org/ntsb/CEN25LA002.md): Air Tractor AT-402A · Moffett, OK · Accident · No injuries · Class 4 · Limited · Final report · Oct 1, 2024 · N45472 · Substantial damage
  > The tail wheel assembly’s fractured bolt which resulted in the pilot’s loss of directional control during landing.
- [NTSB WPR24LA319](https://openairdocs.org/ntsb/WPR24LA319.md): Bell 206L · Fern Prairie, WA · Accident · No injuries · Class 3 · Limited · Final report · Sep 26, 2024 · N9984K · Substantial damage
  > An aeroelastic interaction between the helicopter’s main rotor blades and nodal beam system, which resulted in oscillations that exceeded the design limits of the tailboom. Contributing to the accident was the failure of the main rotor blade manufacturer to…

Next page: https://openairdocs.org/ntsb-events/330/sequence.md?status=final&page=2

## 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'
  AND 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?status=final

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