NTSB investigations, AK
13 cases where the sequence of events included Aircraft structural failure.
Cases per year
| 2009 | 1 |
|---|---|
| 2010 | 3 |
| 2012 | 1 |
| 2014 | 1 |
| 2016 | 2 |
| 2018 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2024 | 1 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "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.\"eventStateOrRegion\" = 'AK' AND c.\"eventCountry\" = 'USA'
AND c.\"mKey\" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '337' 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"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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."eventStateOrRegion" = 'AK' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '337' 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
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB DCA25LA061Accident · No injuriesClass 3 · LimitedFinal reportLockheed 382G-44K-30 · St. Mary's, AKThe fatigue failure of the forward pressure bulkhead canted web that originated from stress corrosion cracking areas. Contributing to the failure were inspection procedures and intervals inadequate to identify the fatigue cracks.NTSB ANC22LA040Accident · No injuriesClass 3 · LimitedFinal reportCessna U206F · Kodiak, AKThe failure of the right main landing gear leg due to fatigue cracks that initiated from corrosion pitting.NTSB ANC21FA015Accident · 2 fatalClass 3 · FieldFinal reportCessna 185 · Chitina, AKAn in-flight breakup during cruise flight for reasons that could not be determined based on available evidence.NTSB ANC20LA059Accident · No injuriesClass 3 · LimitedFinal reportPiper PA 12 · Anchorage, AKThe fatigue fracture of the American Iron and Steel Institute (AISI) 1025 carbon steel rudder post, which resulted in structural failure of the rudder. Contributing to the fatigue failure was the post’s susceptibility to fatigue cracking under normal service…NTSB GAA18CA321Accident · Minor injuriesData collectionFinal reportDehavilland Beaver DHC 2 · Ketchikan, AKThe pilot’s failure to maintain pitch and directional control during a water landing.NTSB ANC16LA048Accident · No injuriesLimited investigationFinal reportStinson 108 · Haines, AKThe pilot’s failure to maintain directional control of the airplane during the landing roll with a quartering tailwind, which resulted in a ground loop and overstress failure of the left main landing gear wheel axle.NTSB DCA16LA096Accident · No injuriesLimited investigationFinal reportLockheed 382G · Iliamna, AKThe fatigue failure of the forward pressure bulkhead canted web that originated from stress corrosion cracking areas. Contributing to the failure were inspection procedures and intervals inadequate to identify the crack.NTSB ENG14IA016Incident · No injuriesIncident investigationFinal reportDouglas C 118A · Emmonak, AKThe fatigue failure of the lower wing skin due to aging mechanisms. Contributing to the failure were lower wing skin inspection procedures insufficient to identify the crack.NTSB ANC12FA066Accident · 2 fatalField investigationFinal reportPiper PA-32R-301 · Fairbanks, AKThe noninstrument-rated pilot's decision to continue visual flight into instrument meteorological conditions likely leading to spatial disorientation, which resulted in a loss of airplane control and in-flight structural failure.NTSB ANC10LA081Accident · No injuriesLimited investigationFinal reportStinson 108-2 · Port Alsworth, AKThe overstress fracture and failure of a main landing gear wheel during landing, resulting in the right wing striking the ground.NTSB ANC10CA051Accident · No injuriesData collectionFinal reportStinson 108-1 · Galena, AKThe pilot's failure to maintain directional control during takeoff, resulting in a ground-loop, and collapse of the right main landing gear.NTSB ANC10LA026Accident · No injuriesLimited investigationFinal reportCessna 170B · Anchorage, AKThe structural failure of the right main landing gear leg, resulting in the collapse of the landing gear.NTSB ANC09LA083Accident · No injuriesLimited investigationFinal reportCessna 185 · McCarthy, AKThe separation of the right main landing gear wheel from the airplane during landing for undetermined reasons, which resulted in an inability to control the airplane.