NTSB defining event · CICTT: Fuel
CICTT occurrence categories (PDF)CICTT phases of flight (PDF)
- Defining event in
- 202 cases
- In the sequence of
- 225 cases
- Fatal cases
- 29
- NTSB code
- 193
NTSB has coded findings and defining events since 2008. Earlier cases used its older occurrence and cause codes, so they aren’t counted here.
When and where
In green, cases where it was the defining event; in gray, cases where it came elsewhere in the sequence. The map shows the cases where it was the defining event. Events are coded with the final report, so the latest years are incomplete.
Cases per year
| 2008 | 17 |
|---|---|
| 2009 | 14 |
| 2010 | 18 |
| 2011 | 12 |
| 2012 | 10 |
| 2013 | 13 |
| 2014 | 8 |
| 2015 | 22 |
| 2016 | 11 |
| 2017 | 15 |
| 2018 | 10 |
| 2019 | 13 |
| 2020 | 11 |
| 2021 | 10 |
| 2022 | 12 |
| 2023 | 14 |
| 2024 | 11 |
| 2025 | 4 |
Where
Open the mapQuery with SQL
duckdb -csv -c "SELECT year(c.\"eventDate\") AS year, count(DISTINCT e.case_mkey) AS cases,
count(DISTINCT e.case_mkey) FILTER (WHERE e.\"isDefiningEvent\") AS defining
FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = e.case_mkey
WHERE e.\"tier2Number\" = '193' AND e.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE \"isDefiningEvent\")
GROUP BY 1
ORDER BY 1"Prints the counts as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT year(c."eventDate") AS year, count(DISTINCT e.case_mkey) AS cases, count(DISTINCT e.case_mkey) FILTER (WHERE e."isDefiningEvent") AS defining FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = e.case_mkey WHERE e."tier2Number" = '193' AND e.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent") GROUP BY 1 ORDER BY 1
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.
In these cases
Aircraft matched to the registry by N-number and date.
Query with SQL
duckdb -csv -c "WITH defining AS (SELECT * FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE \"tier2Number\" = '193' AND \"isDefiningEvent\")
SELECT * FROM (
SELECT 'Phase of flight' AS kind, e.\"tier1Number\" AS code, max(e.\"eventTier1Name\") AS name, count(DISTINCT e.case_mkey) AS cases
FROM defining e
GROUP BY ALL
UNION ALL
SELECT 'Finding in the probable cause', left(f.\"findingCode\", 8), max(f.\"tier4Name\"), count(DISTINCT f.case_mkey)
FROM defining e JOIN 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f ON f.case_mkey = e.case_mkey AND f.aircrafts_position = e.aircrafts_position AND f.\"inProbableCause\"
WHERE f.\"findingCode\" GLOB '[0-9][0-9]*'
GROUP BY ALL
UNION ALL
SELECT 'Aircraft model', a.aircraft_model_code, any_value(concat_ws(' ', m.manufacturer, m.model)), count(DISTINCT e.case_mkey)
FROM defining e JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = e.case_mkey AND a.position = e.aircrafts_position
LEFT JOIN 'https://openairdocs.org/data/latest/faa_aircraft_model.parquet' m ON m.code = a.aircraft_model_code
WHERE a.aircraft_model_code IS NOT NULL
GROUP BY ALL
)
QUALIFY row_number() OVER (PARTITION BY kind ORDER BY cases DESC) <= 10
ORDER BY kind, cases DESC"Prints the counts as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
WITH defining AS (SELECT * FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "tier2Number" = '193' AND "isDefiningEvent")
SELECT * FROM (
SELECT 'Phase of flight' AS kind, e."tier1Number" AS code, max(e."eventTier1Name") AS name, count(DISTINCT e.case_mkey) AS cases
FROM defining e
GROUP BY ALL
UNION ALL
SELECT 'Finding in the probable cause', left(f."findingCode", 8), max(f."tier4Name"), count(DISTINCT f.case_mkey)
FROM defining e JOIN 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f ON f.case_mkey = e.case_mkey AND f.aircrafts_position = e.aircrafts_position AND f."inProbableCause"
WHERE f."findingCode" GLOB '[0-9][0-9]*'
GROUP BY ALL
UNION ALL
SELECT 'Aircraft model', a.aircraft_model_code, any_value(concat_ws(' ', m.manufacturer, m.model)), count(DISTINCT e.case_mkey)
FROM defining e JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = e.case_mkey AND a.position = e.aircrafts_position
LEFT JOIN 'https://openairdocs.org/data/latest/faa_aircraft_model.parquet' m ON m.code = a.aircraft_model_code
WHERE a.aircraft_model_code IS NOT NULL
GROUP BY ALL
)
QUALIFY row_number() OVER (PARTITION BY kind ORDER BY cases DESC) <= 10
ORDER BY kind, cases DESCRun 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.
Newest cases · 202
NTSB CEN26LA084Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · Taylor, TXThe pilot’s inadequate preflight inspection that resulted in a loss of engine power due to water contamination.NTSB ERA25LA315Accident · Serious injuriesClass 4 · LimitedFinal reportPatriot CX1900A · Centreville, ALThe pilot’s failure to detect and remove water contamination from the airplane’s fuel system before the flight, which resulted in a total loss of engine power during initial climb.NTSB WPR25LA004Accident · No injuriesClass 3 · LimitedFinal reportCessna 172L · El Monte, CAA total loss of engine power due to contaminated fuel.NTSB ANC24FA102Accident · 1 fatalClass 3 · FieldFinal reportCessna 206 · Chalkyitsik, AKA loss of engine power due to water-contaminated fuel as a result of the pilot’s inadequate preflight inspection. Contributing to the accident was the operator’s failure to ensure replacement filters were available for use during refueling operations.NTSB CEN24LA316Accident · No injuriesClass 3 · LimitedFinal reportCessna A185E · Eveleth, MNWater contamination of the fuel system which resulted in a total loss of engine power. Contributing was the pilot’s inadequate preflight.NTSB CEN24LA291Accident · No injuriesClass 3 · LimitedFinal reportAyres S2R-G6 · Antioch, NEA total loss of engine power due to fuel contamination from an undetermined source.NTSB ERA24LA257Accident · No injuriesClass 3 · LimitedFinal reportPiper PA28 · Zephyrhills, FLA partial loss of engine power during initial climb due to fuel contamination that resulted from corrosion and loose corrosion debris in the carburetor, which restricted fuel flow to the engine.NTSB WPR24LA174Accident · No injuriesClass 3 · LimitedFinal reportBeech 35-C33A · San Diego, CAA partial loss of engine power due to water contamination of the fuel system.NTSB CEN24LA184Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-22 · Enderlin, NDThe pilot’s failure to properly inspect and sump the fuel system before the flight and the maintenance personnel’s inadequate maintenance of the fuel system which resulted in fuel starvation and the subsequent loss of engine power due to the contamination of…NTSB ERA24LA179Accident · No injuriesClass 3 · LimitedFinal reportCessna R172 · Rocky Mount, NCThe pilot and mechanic’s failure to identify and completely eliminate the water and debris contamination present in the airplane’s fuel system before embarking on the flight, which resulted in a total loss of engine power.
See all 202 casesQuery 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.\"mKey\" IN (SELECT e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.\"isDefiningEvent\" AND e.\"tier2Number\" = '193') 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."mKey" IN (SELECT e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '193') 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.