# NTSB investigations: Fabrication

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 CEN24LA317](https://openairdocs.org/ntsb/CEN24LA317.md): Vans RV8 · Guthrie, OK · Accident · No injuries · Class 3 · Limited · Final report · Aug 15, 2024 · N184DC · Substantial damage
  > A loss of engine power due to the separation and ingestion of an air filter retaining bracket into the engine cylinder.
- [NTSB ERA24LA195](https://openairdocs.org/ntsb/ERA24LA195.md): Reddick Jonathan L Zodiac 601XLB · Dunbar, PA · Accident · No injuries · Class 4 · Limited · Final report · Apr 27, 2024 · N601DR · Destroyed
  > A total loss of engine power as a result of an improperly fabricated fuel-air mixture cable bracket. Contributing was the pilot’s decision to fly the airplane with a known mechanical engine issue, and the presence of another airplane that was back taxiing on…
- [NTSB CEN24LA038](https://openairdocs.org/ntsb/CEN24LA038.md): Bede BD-4 · Lowell, IN · Accident · Minor injuries · Class 3 · Limited · Final report · Nov 14, 2023 · N931AS · Substantial damage
  > Fatigue cracking of the propeller blade root, which resulted in the in-flight separation of the propeller blade from its root. Contributing to the accident was the improper machining of the blade root threads, which resulted in chatter/ratchet marks that…
- [NTSB WPR22FA169](https://openairdocs.org/ntsb/WPR22FA169.md): Bearhawk LSA · Kalispell, MT · Accident · 2 fatal · Class 3 · Field · Final report · Apr 30, 2022 · N1908A · Substantial damage
  > An excessive pitch control input for undetermined reasons while the airplane was operating above maneuvering speed, which led to a structural failure of the right wing during cruise flight. Contributing to the accident was the poor construction quality of the…
- [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 CEN21LA241](https://openairdocs.org/ntsb/CEN21LA241.md): Pipistrel Alpha Trainer · Fort Collins, CO · Accident · Serious injuries · Class 3 · Limited · Final report · May 28, 2021 · N119JP · Substantial damage
  > A partial loss of engine power due to the failure of the throttle control cable, which resulted in the loss of control of the dual carburetor system. The cable failure was a result of improper soldering at the throttle cable input terminal on the splitter…
- [NTSB WPR21LA108](https://openairdocs.org/ntsb/WPR21LA108.md): Abbett Gerry Lancair Evolution · Saratoga, WY · Accident · No injuries · Class 3 · Limited · Final report · Feb 8, 2021 · N7569A · Substantial damage
  > A windshield failure during cruise flight due to stress concentrations in the bond area as a result of improper assembly of the windshield.
- [NTSB WPR20LA035](https://openairdocs.org/ntsb/WPR20LA035.md): Zenith Stol CH701 · Byron, CA · Accident · No injuries · Class 3 · Limited · Final report · Nov 29, 2019 · N701WJ · Substantial damage
  > The pilot/builder's improper construction of the cowling, which resulted in inadequate venting of the engine, its overheating, and a partial loss of engine power.
- [NTSB WPR18FA260](https://openairdocs.org/ntsb/WPR18FA260.md): Robert L Coons RotorWay RW 1 · Billings, MT · Accident · 1 fatal · Field investigation · Final report · Sep 12, 2018 · N166LC · Substantial damage
  > The pilot's failure to maintain clearance with a hangar while maneuvering to his hangar. Contributing to the accident was the pilot's limited experience in helicopters.
- [NTSB ERA18FA240](https://openairdocs.org/ntsb/ERA18FA240.md): Lance M Hooley Jetez · Covington, TN · Accident · 1 fatal · Field investigation · Final report · Sep 1, 2018 · N815EY · Destroyed
  > The improper manufacture of the left wing, which resulted in a left wing flutter event and failure at low altitude and high speed.
- [NTSB WPR17FA128](https://openairdocs.org/ntsb/WPR17FA128.md): Prescot E. Wilkie RV-3 · Payette, ID · Accident · 1 fatal · Field investigation · Final report · Jun 17, 2017 · N177TT · Destroyed
  > The in-flight failure of the left wing due to the owner's use of improper hardware and his improper assembly of the airplane, which reduced the strength of the left wing and resulted in its subsequent failure following a sharp pullup maneuver.
- [NTSB CEN17LA057](https://openairdocs.org/ntsb/CEN17LA057.md): Stinson 108-3 · Ionia, MI · Accident · No injuries · Limited investigation · Final report · Dec 16, 2016 · N812C · Substantial damage
  > A failure of the aft support cable on the left main landing ski due to an inadequately formed nicopress sleeve, which allowed the ski to rotate into a vertical position shortly after liftoff, and its unavoidable separation during the subsequent landing.
- [NTSB CEN16LA273](https://openairdocs.org/ntsb/CEN16LA273.md): Brandt Sonex · Lodi, WI · Accident · No injuries · Limited investigation · Final report · Jul 19, 2016 · N393SX · Substantial damage
  > The separated rocker arm assembly for undetermined reasons, which resulted in the partial loss of engine power and led to the landing gear collapsing during the subsequent forced landing.
- [NTSB ERA16LA260](https://openairdocs.org/ntsb/ERA16LA260.md): Sorensen Danny Pitts S1 S · Somerville, TN · Accident · No injuries · Limited investigation · Final report · Jul 15, 2016 · N4714H · Substantial damage
  > The failure of the left landing gear leg due to fatigue, which resulted in a ground loop during landing. Contributing to the accident was the airplane builder's installation of a custom-built landing gear rather than the landing gear included with the…
- [NTSB ERA15FA331](https://openairdocs.org/ntsb/ERA15FA331.md): Cornell W F/Sahakian J A JR Giles 202 (G202) · Newburgh, NY · Accident · 1 fatal · Field investigation · Final report · Aug 28, 2015 · N18FJ · Destroyed
  > Separation of the vertical and horizontal stabilizers from the fuselage due to a fracture that initiated at the bond between the left horizontal stabilizer and the flange that attached the horizontal stabilizer to the fuselage skin. The failure was likely…
- [NTSB ANC15LA037](https://openairdocs.org/ntsb/ANC15LA037.md): Dehavilland DHC-3T · Skwentna, AK · Accident · No injuries · Limited investigation · Final report · Jun 4, 2015 · N3125N · Substantial damage
  > The flutter failure of the right elevator servo tab due to the improper fabrication of the servo tab and maintenance personnel’s subsequent failure to detect anomalies with the servo tab.
- [NTSB ANC14LA035](https://openairdocs.org/ntsb/ANC14LA035.md): Dehavilland DHC-3T · Homer, AK · Accident · No injuries · Limited investigation · Final report · May 30, 2014 · N3125N · Substantial damage
  > The flutter failure of the right elevator servo tab due to the improper fabrication of the servo tab and maintenance personnel’s subsequent failure to detect anomalies with the servo tab.
- [NTSB ERA14LA174](https://openairdocs.org/ntsb/ERA14LA174.md): N/A N/A · Patillas, PR · Accident · 1 fatal · Limited investigation · Final report · Mar 26, 2014 · UNREG · Substantial damage
  > The pilot’s failure to maintain airplane control during approach for landing, which resulted in a stall/spin.
- [NTSB WPR14CA136](https://openairdocs.org/ntsb/WPR14CA136.md): Norman Quad City Challenger · Monroe, WA · Accident · No injuries · Data collection · Final report · Mar 13, 2014 · N345MN · Substantial damage
  > The pilot's inadequate construction of the propeller bracket, which resulted in its failure during the initial climb and the propeller subsequently departing the airplane.
- [NTSB WPR12LA113](https://openairdocs.org/ntsb/WPR12LA113.md): Haycraft Sport Hornet · Mariposa, CA · Accident · No injuries · Limited investigation · Final report · Feb 21, 2012 · N72PD · Substantial damage
  > Improper clearance and inadequate heat shielding between engine components and the exhaust system, which resulted in an in-flight fire.
- [NTSB CEN11LA588](https://openairdocs.org/ntsb/CEN11LA588.md): Hendryx Steve/Wiley Ross Super Rebel · La Porte City, IA · Accident · Minor injuries · Limited investigation · Final report · Aug 21, 2011 · N540AF · Substantial damage
  > The improper assembly of the aileron cable by the airplane builder.
- [NTSB CEN11FA528](https://openairdocs.org/ntsb/CEN11FA528.md): Wright B Flyer Wright B Flyer · Springfield, OH · Accident · 2 fatal · Field investigation · Final report · Jul 30, 2011 · N453WB · Substantial damage
  > The flight crew’s failure to maintain airplane control following a partial loss of engine thrust during cruise flight. Contributing to the accident was the failed weld as a result of incomplete welding on the left propeller shaft, which led to the partial…
- [NTSB WPR11FA258](https://openairdocs.org/ntsb/WPR11FA258.md): Bowley Murphy · Aguila, AZ · Accident · No injuries · Field investigation · Final report · Jun 12, 2011 · N189SB · Substantial damage
  > A fire that originated from a fuel leak at an undetermined location in the engine compartment. Contributing to the accident was the builder's use of non-aviation hardware for engine fluid fittings and lines.
- [NTSB ANC11CA013](https://openairdocs.org/ntsb/ANC11CA013.md): Piper PA-18 · Sterling, AK · Accident · No injuries · Data collection · Final report · Feb 23, 2011 · N623MP · Substantial damage
  > The airplane owner improper fabrication of a fuel line, and subsequent inadequate inspection by an aviation mechanic, resulting in a loss of engine power.
- [NTSB WPR10CA398](https://openairdocs.org/ntsb/WPR10CA398.md): Kirkpatrick Buzzard · Lincoln, CA · Accident · Serious injuries · Data collection · Final report · Aug 4, 2010 · N84BS · Substantial damage
  > A loss of control due to the mechanical disconnection of an aileron pushrod from its bellcrank as a result of the mechanic's failure to properly secure the pushrod attach hardware. Also causal was the pilot's inadequate preflight inspection.
- [NTSB WPR10LA208](https://openairdocs.org/ntsb/WPR10LA208.md): Bibbee Cozy Mark IV · North Las Vegas, NV · Accident · Minor injuries · Limited investigation · Final report · Apr 16, 2010 · N68TF · Substantial damage
  > The airplane's inability to recover from a stall due to the builder's failure to comply with design specifications and update the pilot’s operating handbook, which would have highlighted the discrepancies in the airplane's build-up.
- [NTSB WPR09LA219](https://openairdocs.org/ntsb/WPR09LA219.md): Ellumax Leasing Epic LT · Astoria, OR · Accident · No injuries · Limited investigation · Final report · Apr 24, 2009 · N653SB · Substantial damage
  > The partial loss of engine power during climb to cruise due to the failure of the engine's fuel control unit. Contributing to the accident was the incorrect machining of an internal component of the fuel control unit, and the failure of the assembling…
- [NTSB ERA09FA228](https://openairdocs.org/ntsb/ERA09FA228.md): Cirrus Design SR22 · Northport, FL · Incident · No injuries · Field investigation · Final report · Apr 3, 2009 · N509SR · Minor damage
  > Inadequate torque on one of the No. 6 connecting rod bolt retaining nuts, which resulted in the connecting rod’s separation from the crankshaft and a subsequent total loss of engine power.
- [NTSB NYC08LA213](https://openairdocs.org/ntsb/NYC08LA213.md): Marrin Pitts S-1 · St. Petersburg, FL · Accident · Minor injuries · Limited investigation · Final report · Jun 12, 2008 · N347MM · Substantial damage
  > The pilot's failure to maintain adequate airspeed following a partial loss of engine power, which resulted in an aerodynamic stall. Contributing to the accident was improper maintenance practices during the construction of the airplane, which resulted in…
- [NTSB LAX08LA118](https://openairdocs.org/ntsb/LAX08LA118.md): Cessna C175A · Groveland, CA · Accident · Serious injuries · Limited investigation · Final report · Apr 20, 2008 · N6868E · Substantial damage
  > A total loss of engine power due to fuel starvation as a result of a blocked fuel line that was improperly fabricated by the pilot. Also causal was the pilot's excessive ground speed during the taxi tests that resulted in an inadvertent takeoff.

## 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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '02062025'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/02062025/cases

---
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.
