NTSB investigations, AK
278 cases where the first occurrence was “In flight encounter with weather”.
Cases per year
| 1982 | 13 |
|---|---|
| 1983 | 11 |
| 1984 | 12 |
| 1985 | 11 |
| 1986 | 8 |
| 1987 | 9 |
| 1988 | 3 |
| 1989 | 12 |
| 1990 | 10 |
| 1991 | 10 |
| 1992 | 9 |
| 1993 | 3 |
| 1994 | 4 |
| 1995 | 11 |
| 1996 | 16 |
| 1997 | 15 |
| 1998 | 18 |
| 1999 | 20 |
| 2000 | 20 |
| 2001 | 17 |
| 2002 | 11 |
| 2003 | 9 |
| 2004 | 6 |
| 2005 | 5 |
| 2006 | 10 |
| 2007 | 5 |
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 o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 240)
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 o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 240) 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 ANC08FA025Accident · 4 fatalField investigationFinal reportEurocopter Deutschland BK117C1 · Whittier, AKThe pilot's decision to continue VFR flight into night instrument meteorological conditions. Contributing to the accident were the operator's failure to adhere to an FAA-approved and mandated safety risk management program, the FAA's failure to provide…NTSB ANC08CA020Accident · No injuriesData collectionFinal reportCessna 170B · Nikolai, AKThe pilot's continued flight into adverse weather (icing conditions), which resulted in a loss of engine power during a go-around. Factors contributing to the accident were icing conditions, and carburetor/induction icing.NTSB ANC07FA068Accident · 5 fatalField investigationFinal reportde Havilland DHC-2 · Ketchikan, AKThe pilot's decision to continue under visual flight rules into an area of instrument metrological conditions. Contributing to the accident was the pilot's inadequate weather evaluation, and the FAA's inadequate surveillance of the commercial air tour…NTSB ANC07CA033Accident · No injuriesData collectionFinal reportCessna 185 · Cantwell, AKThe pilot's inadequate compensation for wind conditions during takeoff initial climb, which resulted in a descent into high vegetation, and a nose over. Factors contributing to the accident were the pilot's inadequate weather evaluation and a downdraft.NTSB ANC07CA019Accident · No injuriesData collectionFinal reportAero Commander 100 · Manokotak, AKThe pilot's continued VFR cruise flight into instrument meteorological conditions, which resulted in an in-flight collision with terrain. Factors associated with the accident were fog, low ceilings, snow showers, and snow-covered terrain.NTSB ANC07LA003Accident · Minor injuriesLimited investigationFinal reportCessna 207 · Tuntutuliak, AKThe pilot's misjudgment of distance/altitude during the landing approach, which resulted in an undershoot and in-flight collision with a river embankment. Factors contributing to the accident were reduced visibility due to rain and mist.NTSB ANC07LA001Accident · Serious injuriesLimited investigationFinal reportPiper PA-32-260 · Port Alsworth, AKThe pilot's inadequate compensation for wind conditions, which resulted in a loss of control while maneuvering, and an in-flight collision with tree covered terrain. Factors associated with the accident are the pilot's inadequate evaluation of weather…NTSB ANC06CA133Accident · No injuriesData collectionFinal reportPiper PA-18 · Koliganek, AKThe pilot's failure to maintain adequate altitude/clearance from rising terrain while maneuvering at a low altitude, which resulted in an in-flight collision with terrain. Factors associated with the accident were a downdraft, the pilot's intentional low…NTSB ANC06FA131Accident · 2 fatalField investigationFinal reportde Havilland DHC-2 · Skwentna, AKThe pilot's continued VFR flight into instrument meteorological conditions, which resulted in an in-flight collision with mountainous terrain. A factor associated with the accident was a low cloud ceiling.NTSB ANC06LA119Accident · Serious injuriesLimited investigationFinal reportCessna U206G · Whittier, AKThe pilot's continued VFR flight into instrument meteorological conditions, which resulted in a collision with terrain while maneuvering to reverse direction in a pass. A factor contributing to the accident was clouds in the pass.NTSB ANC06CA088Accident · No injuriesData collectionFinal reportCessna 206F · Fairbanks, AKThe pilot's inadequate weather evaluation, which resulted in the airplane encountering a severe downdraft during takeoff initial climb, and an in-flight collision with terrain. Factors associated with the accident were a thunderstorm and a downdraft.NTSB ANC06FA089Accident · 1 fatalField investigationFinal reportPiper PA-28 · Manley Hot Spng, AKThe pilot's continued cruise flight into known adverse weather conditions, his failure to maintain aircraft control while maneuvering, and his exceeding the design stress limits of the airplane, which resulted in an in-flight break-up. Factors associated with…NTSB ANC06LA066Accident · Minor injuriesLimited investigationFinal reportBell 206L-1 · Juneau, AKThe pilot's failure to maintain adequate altitude/clearance from terrain while maneuvering in adverse weather conditions. Factors associated with the accident are the pilot's decision to continue flight into adverse weather, fog, whiteout and flat light…NTSB ANC06LA025Accident · No injuriesLimited investigationFinal reportRobinson R44 · Ilimana, AKThe pilot's continued flight into adverse weather conditions, and his spatial disorientation and loss of control during a subsequent landing attempt. Factors associated with the accident are flat light and whiteout conditions, fog, and snow-covered terrain.NTSB ANC06LA015Accident · 1 fatalLimited investigationFinal reportCessna 180 · Seward, AKThe pilot's inadequate weather evaluation, which resulted in an in-flight encounter with low ceilings, turbulence, and downdrafts in cruise flight, and the pilot's failure to maintain altitude/clearance while maneuvering, which resulted in an in-flight…NTSB ANC05LA150Accident · Minor injuriesLimited investigationFinal reportCessna 550 · Ft Yukon, AKThe pilot's improper use of anti-icing equipment during cruise flight, which resulted in ice ingestion into both engines (foreign object damage), the complete loss of engine power in both engines, and an emergency descent and landing on tree covered terrain.…NTSB ANC05LA088Accident · No injuriesLimited investigationFinal reportAerospatiale ATR-42-300 · Anchorage, AKA lightning strike during a normal descent for landing, which resulted in structural damage to the airplane's left aileron.NTSB ANC05CA050Accident · Minor injuriesData collectionFinal reportPiper PA-18 · False Pass, AKThe pilot's inadequate compensation for the wind conditions during the initial climb after takeoff, which resulted in a collision with the ground and subsequent nose over. Factors contributing to the accident were a downdraft, and the pilot's inadequate…NTSB ANC05CA049Accident · No injuriesData collectionFinal reportBell 206B · Elim, AKThe pilot's continued flight into adverse weather conditions, and his failure to maintain adequate clearance while maneuvering, which resulted in an in-flight collision with terrain. Factors associated with the accident are flat light, whiteout conditions,…NTSB ANC05LA027Accident · 3 fatalLimited investigationFinal reportCessna U206 · Port Alsworth, AKThe pilot's continued VFR flight into instrument meteorological conditions (IMC), his improper in-flight planning and decision making, and his failure to maintain clearance from terrain while maneuvering to reverse direction at a low altitude. Factors…NTSB ANC05FA008Accident · 1 fatalField investigationFinal reportPiper PA-18 · Anchorage, AKThe pilot's failure to maintain control of the airplane due to spatial disorientation, which resulted in an uncontrolled descent and collision with water during maneuvering flight. Factors contributing to the accident were fog and low ceilings.NTSB ANC04LA098Accident · 1 fatalLimited investigationFinal reportde Havilland DHC-3 · McGrath, AKThe pilot's inadequate in-flight planning/decision making, his continued VFR flight into instrument meteorological conditions, and his failure to maintain obstacle clearance. Factors contributing to the accident were low ceilings due to smoke, rain, and mist.NTSB ANC04CA076Accident · No injuriesData collectionFinal reportCessna 180J · Bettles, AKThe pilot's inadequate compensation for the wind conditions during takeoff/initial climb, which resulted in a loss of control and in-flight collision with terrain. Factors contributing to the accident were the pilot's inadequate weather evaluation, and a…NTSB ANC04LA059Accident · No injuriesLimited investigationFinal reportPiper PA-31-350 · Goodnews, AKThe pilot's inadequate weather evaluation which resulted in an in-flight encounter with severe turbulence, and his exceedence of the design stress limits resulting in overstress of the wings. A factor contributing to the accident was the presence of…NTSB ANC04FA049Accident · 1 fatalField investigationFinal reportBell 206L-3 · Deadhorse, AKThe pilot's continued VFR flight into instrument meteorological conditions (IMC), and his spatial disorientation and loss of control during a subsequent landing. Factors associated with the accident are flat light and whiteout conditions, fog, and…NTSB ANC04LA018Accident · Serious injuriesLimited investigationFinal reportPiper PA-31-350 · Koyukuk, AKThe pilot's continued flight into adverse weather conditions, and his failure to maintain clearance from terrain, which resulted in an in-flight collision with terrain. Factors associated with the accident were fog and whiteout weather conditions.NTSB ANC04LA014Accident · No injuriesLimited investigationFinal reportPiper PA-32-260 · Larson Bay, AKThe loss of engine power for an unknown reason while maneuvering, which resulted in the pilot ditching the airplane. Factors contributing to the accident were a low ceiling and a snow squall.NTSB ANC04LA010Accident · No injuriesLimited investigationFinal reportdeHAVILLAND DHC-2 · Kodiak, AKThe pilot's inadequate evaluation of the weather conditions, and his failure to maintain adequate altitude/clearance, which resulted in a collision with terrain during the final landing approach. A factor contributing to the accident was the presence of a…NTSB ANC03FA106Accident · 3 fatalField investigationFinal reportCessna T206H · Chickaloon, AKThe pilot's continued VFR flight into instrument meteorological conditions, and subsequent collision with mountainous terrain while maneuvering. Factors contributing to the accident were weather conditions consisting of clouds/mist and low ceilings, and the…NTSB ANC03LA071Accident · Serious injuriesLimited investigationFinal reportCessna 208B · Kotzebue, AKThe airplane encountered unforecast turbulence, which resulted in serious injury to the pilot.NTSB ANC03FA061Accident · 2 fatalField investigationFinal reportCessna 172 · Skagway, AKThe pilot's continued visual flight into instrument meteorological conditions, which resulted in an in-flight collision with mountainous terrain. Factors associated with the accident were low ceilings, rain, and fog.NTSB ANC03LA060Accident · No injuriesLimited investigationFinal reportLongren Centaur L-13 · Chickaloon, AKThe loss of engine power during the takeoff initial climb for an undetermined reason, which resulted in an in-flight collision with water.NTSB ANC03LA048Accident · No injuriesLimited investigationFinal reportPiper PA-18-160 · Skwentna, AKThe pilot's failure to use carburetor heat, which resulted in the accumulation of carburetor ice, a partial loss of engine power, and a subsequent forced landing. Factors contributing to the accident are a downdraft, the pilot operating the airplane at a low…NTSB ANC03LA041Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Cantwell, AKThe pilot's selection of an unsuitable landing area in deep snow, which resulted in the nose over of the airplane on touchdown. A factor associated with the accident was a snow-covered airstrip.NTSB ANC03LA029Accident · Minor injuriesLimited investigationFinal reportCessna 208 · Kotzebue, AKThe pilot's continued VFR flight into instrument meteorological conditions, and his failure to maintain altitude/clearance above the ground, resulting in a collision with snow and ice covered terrain during the final approach phase of a VFR landing. Factors…NTSB ANC03LA003Accident · Serious injuriesLimited investigationFinal reportMaule M-7-235 · Wrangell, AKThe pilot's inadequate weather evaluation, his continued flight into instrument meteorological conditions (IMC), and his failure to maintain adequate altitude/clearance from terrain/water, which resulted in a collision with water while maneuvering. Factors…NTSB ANC02LA110Accident · Serious injuriesLimited investigationFinal reportCessna 185 · Port Alsworth, AKThe pilot's inadequate evaluation of the area weather conditions, and his subsequent inability to maintain terrain clearance upon encountering a downdraft, which resulted in an in-flight collision with tree-covered mountainous terrain. A factor in the…NTSB ANC02LA067Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Talkeetna, AKThe pilot's inadequate weather evaluation, which resulted in a turbulence encounter and subsequent collision with a river embankment during maneuvering flight. A contributing factor was the presence of terrain induced turbulence.NTSB ANC02FA057Accident · 1 fatalField investigationFinal reportHughes OH-6A · Central, AKThe pilot's intentional flight into adverse weather conditions, and his failure to maintain altitude/clearance, which resulted in an in-flight collision with terrain. Factors contributing to the accident were the snow and whiteout weather conditions.NTSB ANC02FA042Accident · No injuriesField investigationFinal reportPiper PA-18-150 · Anchorage, AKThe pilot's selection of a fuel tank that did not contain a usable quantity of fuel. Factors associated with the accident are the dirt berm, meteorological conditions conducive to carburetor icing, and carburetor ice.NTSB ANC02FA038Accident · 2 fatalField investigationFinal reportPiper PA-18 · Lime Village, AKThe pilot's inadequate evaluation of weather and his inability to maintain aircraft control. A contributing factor was high winds due to thunderstorm outflow activity.NTSB ANC02LA039Accident · No injuriesLimited investigationFinal reportCessna 185 · Talkeetna, AKThe pilot's inadequate evaluation of weather conditions, which precipitated an in-flight loss of control and subsequent collision with terrain. A factor contributing to the accident was the tailwind.NTSB ANC02FA025Accident · 1 fatalField investigationFinal reportPiper PA-28-235 · Manokotak, AKThe pilot's continued VFR flight into instrument meteorological conditions, and subsequent collision with terrain during cruise flight. Factors in the accident were low ceilings, snow, and mountainous snow-covered terrain.NTSB ANC02LA021Accident · No injuriesLimited investigationFinal reportRobinson R-22 · Whittier, AKThe pilot's Failure to maintain a proper descent rate during landing. Factors associated with the accident are variable wind conditions, and the pilot's improper approach to the landing site.NTSB ANC02FA020Accident · No injuriesField investigationFinal reportCessna 208B · Barrow, AKThe pilot's continued flight into adverse weather conditions, and an inadvertent stall. Factors associated with the accident are fog, obscuration, and icing conditions.NTSB ANC02FA014Accident · 1 fatalField investigationFinal reportCessna 206 · Bethel, AKThe pilot's continued VFR flight into instrument meteorological conditions, and his failure to maintain adequate ground clearance, which resulted in an in flight collision with terrain. Factors associated with the accident were flat light conditions, and…NTSB ANC01LA144Accident · No injuriesLimited investigationFinal reportBellanca 7GCBC · Mentasta, AKThe pilot's inadequate compensation for wind conditions while landing. Factors associated with the accident were the pilot's inadequate recovery from a bounced landing, and a variable wind.NTSB ANC01LA139Accident · No injuriesLimited investigationFinal reportEurocopter AS 350 BA · Skagway, AKThe pilot's misjudged flare while landing. Factors associated with the accident were whiteout conditions, and snow-covered terrain.NTSB ANC01LA135Accident · Serious injuriesLimited investigationFinal reportColburn Murphy Rebel · Kotzebue, AKThe pilot's inadequate compensation for wind conditions during takeoff. Factors associated with the accident were variable winds, and trees.NTSB ANC01LA129Accident · Minor injuriesLimited investigationFinal reportde Havilland C-7A · Port Alsworth, AKThe captain's failure to maintain the proper glidepath, and improper short field landing procedures. Factors in the accident were a downdraft, and the captain's inadequate evaluation of the weather conditions.