NTSB investigations, AK
115 cases where the phase of flight was Standing.
Cases per year
| 1964 | 7 |
|---|---|
| 1965 | 2 |
| 1966 | 3 |
| 1967 | 3 |
| 1968 | 2 |
| 1969 | 9 |
| 1970 | 3 |
| 1971 | 2 |
| 1972 | 4 |
| 1973 | 2 |
| 1974 | 2 |
| 1975 | 2 |
| 1976 | 4 |
| 1977 | 3 |
| 1978 | 1 |
| 1979 | 1 |
| 1980 | 5 |
| 1982 | 2 |
| 1984 | 3 |
| 1986 | 1 |
| 1987 | 2 |
| 1988 | 4 |
| 1989 | 3 |
| 1990 | 1 |
| 1992 | 2 |
| 1993 | 3 |
| 1994 | 4 |
| 1995 | 1 |
| 1996 | 1 |
| 1998 | 3 |
| 1999 | 4 |
| 2000 | 1 |
| 2002 | 2 |
| 2003 | 1 |
| 2004 | 4 |
| 2005 | 1 |
| 2006 | 2 |
| 2009 | 1 |
| 2011 | 2 |
| 2012 | 4 |
| 2014 | 2 |
| 2015 | 2 |
| 2018 | 2 |
| 2020 | 1 |
| 2025 | 1 |
Where
Latest cases
Query with SQL
duckdb -csv -c "WITH phase_names(main, name) AS (VALUES (100, 'Prior to flight'), (150, 'Standing'), (200, 'Pushback/towing'), (250, 'Taxi'), (300, 'Takeoff'), (350, 'Initial climb'), (400, 'Enroute'), (450, 'Maneuvering'), (500, 'Approach'), (550, 'Landing'), (600, 'Emergency descent'), (650, 'Uncontrolled descent'), (700, 'Post-impact'), (750, 'After landing'), (800, 'Other'), (990, 'Unknown')),
crosswalk(code, main, name) AS (VALUES (500, 150, 'Standing'), (501, 150, 'Standing - pre-flight'), (502, 150, 'Standing - starting engine(s)'), (503, 150, 'Standing - engine(s) operating'), (504, 150, 'Standing - engine(s) not operating'), (505, 150, 'Standing - idling rotors'), (510, 250, 'Taxi'), (511, 200, 'Taxi - pushback/tow'), (512, 250, 'Taxi - to takeoff'), (513, 250, 'Taxi - from landing'), (514, 250, 'Taxi - aerial'), (520, 300, 'Takeoff'), (521, 300, 'Takeoff - roll/run'), (522, 350, 'Takeoff - initial climb'), (523, 300, 'Takeoff - aborted'), (530, 400, 'Climb'), (531, 400, 'Climb - to cruise'), (540, 400, 'Cruise'), (541, 400, 'Cruise - normal'), (542, 400, 'Maneuvering - holding (IFR)'), (550, 400, 'Descent'), (551, 400, 'Descent - normal'), (552, 600, 'Descent - emergency'), (553, 650, 'Descent - uncontrolled'), (560, 500, 'Approach'), (561, 500, 'Approach - VFR pattern - downwind'), (562, 500, 'Approach - VFR pattern - base turn'), (563, 500, 'Approach - VFR pattern - base leg/base to final'), (564, 500, 'Approach - VFR pattern - final approach'), (565, 500, 'Go-around (VFR)'), (566, 500, 'Approach - IAF to FAF/outer marker (IFR)'), (567, 500, 'Approach - FAF/outer marker to threshold (IFR)'), (568, 500, 'Circling (IFR)'), (569, 500, 'Missed approach (IFR)'), (570, 550, 'Landing'), (571, 550, 'Landing - flare/touchdown'), (572, 550, 'Landing - roll'), (573, 550, 'Landing - aborted'), (574, 550, 'Emergency landing'), (575, 550, 'Emergency landing after takeoff'), (576, 600, 'Emergency descent/landing'), (580, 450, 'Maneuvering'), (581, 450, 'Maneuvering - aerial application'), (582, 450, 'Maneuvering - turn to reverse direction'), (583, 450, 'Maneuvering - turn to landing area (emergency)'), (590, 450, 'Hover'), (591, 450, 'Hover - in ground effect'), (592, 450, 'Hover - out of ground effect'), (600, 800, 'Other'), (610, 990, 'Unknown')),
current_codes AS (
SELECT e.case_mkey, TRY_CAST(e.\"tier1Number\" AS INTEGER) AS code,
row_number() OVER (PARTITION BY e.case_mkey ORDER BY coalesce(e.\"isDefiningEvent\", false) DESC, e.position) AS n
FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e
WHERE e.aircrafts_position = 1 AND e.\"tier1Number\" GLOB '[1-9][0-9]*'
AND (e.\"isDefiningEvent\" OR e.case_mkey IN (SELECT \"mKey\" FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' WHERE \"isPre1982\"))
),
phases AS (
SELECT case_mkey, 'current' AS scheme, code, CASE WHEN code >= 990 THEN 990 ELSE code // 50 * 50 END AS main
FROM current_codes WHERE n = 1
UNION ALL
SELECT o.case_mkey, 'older', o.\"phaseOfFlightCode\", w.main
FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o JOIN crosswalk w ON w.code = o.\"phaseOfFlightCode\"
WHERE o.aircrafts_position = 1 AND o.\"occurrenceNumber\" = 1 AND o.case_mkey NOT IN (SELECT case_mkey FROM current_codes)
),
case_phases AS (
SELECT p.*, c.\"eventDate\", c.\"highestInjuryLevel\" = 'Fatal' AS fatal, a.aircraft_model_code
FROM phases p JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = p.case_mkey
LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = p.case_mkey AND a.position = 1
WHERE c.\"eventDate\" >= DATE '1962-01-01' AND p.main IN (SELECT main FROM phase_names)
)
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 case_mkey FROM case_phases WHERE main = 150)
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.
WITH phase_names(main, name) AS (VALUES (100, 'Prior to flight'), (150, 'Standing'), (200, 'Pushback/towing'), (250, 'Taxi'), (300, 'Takeoff'), (350, 'Initial climb'), (400, 'Enroute'), (450, 'Maneuvering'), (500, 'Approach'), (550, 'Landing'), (600, 'Emergency descent'), (650, 'Uncontrolled descent'), (700, 'Post-impact'), (750, 'After landing'), (800, 'Other'), (990, 'Unknown')),
crosswalk(code, main, name) AS (VALUES (500, 150, 'Standing'), (501, 150, 'Standing - pre-flight'), (502, 150, 'Standing - starting engine(s)'), (503, 150, 'Standing - engine(s) operating'), (504, 150, 'Standing - engine(s) not operating'), (505, 150, 'Standing - idling rotors'), (510, 250, 'Taxi'), (511, 200, 'Taxi - pushback/tow'), (512, 250, 'Taxi - to takeoff'), (513, 250, 'Taxi - from landing'), (514, 250, 'Taxi - aerial'), (520, 300, 'Takeoff'), (521, 300, 'Takeoff - roll/run'), (522, 350, 'Takeoff - initial climb'), (523, 300, 'Takeoff - aborted'), (530, 400, 'Climb'), (531, 400, 'Climb - to cruise'), (540, 400, 'Cruise'), (541, 400, 'Cruise - normal'), (542, 400, 'Maneuvering - holding (IFR)'), (550, 400, 'Descent'), (551, 400, 'Descent - normal'), (552, 600, 'Descent - emergency'), (553, 650, 'Descent - uncontrolled'), (560, 500, 'Approach'), (561, 500, 'Approach - VFR pattern - downwind'), (562, 500, 'Approach - VFR pattern - base turn'), (563, 500, 'Approach - VFR pattern - base leg/base to final'), (564, 500, 'Approach - VFR pattern - final approach'), (565, 500, 'Go-around (VFR)'), (566, 500, 'Approach - IAF to FAF/outer marker (IFR)'), (567, 500, 'Approach - FAF/outer marker to threshold (IFR)'), (568, 500, 'Circling (IFR)'), (569, 500, 'Missed approach (IFR)'), (570, 550, 'Landing'), (571, 550, 'Landing - flare/touchdown'), (572, 550, 'Landing - roll'), (573, 550, 'Landing - aborted'), (574, 550, 'Emergency landing'), (575, 550, 'Emergency landing after takeoff'), (576, 600, 'Emergency descent/landing'), (580, 450, 'Maneuvering'), (581, 450, 'Maneuvering - aerial application'), (582, 450, 'Maneuvering - turn to reverse direction'), (583, 450, 'Maneuvering - turn to landing area (emergency)'), (590, 450, 'Hover'), (591, 450, 'Hover - in ground effect'), (592, 450, 'Hover - out of ground effect'), (600, 800, 'Other'), (610, 990, 'Unknown')),
current_codes AS (
SELECT e.case_mkey, TRY_CAST(e."tier1Number" AS INTEGER) AS code,
row_number() OVER (PARTITION BY e.case_mkey ORDER BY coalesce(e."isDefiningEvent", false) DESC, e.position) AS n
FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e
WHERE e.aircrafts_position = 1 AND e."tier1Number" GLOB '[1-9][0-9]*'
AND (e."isDefiningEvent" OR e.case_mkey IN (SELECT "mKey" FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' WHERE "isPre1982"))
),
phases AS (
SELECT case_mkey, 'current' AS scheme, code, CASE WHEN code >= 990 THEN 990 ELSE code // 50 * 50 END AS main
FROM current_codes WHERE n = 1
UNION ALL
SELECT o.case_mkey, 'older', o."phaseOfFlightCode", w.main
FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o JOIN crosswalk w ON w.code = o."phaseOfFlightCode"
WHERE o.aircrafts_position = 1 AND o."occurrenceNumber" = 1 AND o.case_mkey NOT IN (SELECT case_mkey FROM current_codes)
),
case_phases AS (
SELECT p.*, c."eventDate", c."highestInjuryLevel" = 'Fatal' AS fatal, a.aircraft_model_code
FROM phases p JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = p.case_mkey
LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = p.case_mkey AND a.position = 1
WHERE c."eventDate" >= DATE '1962-01-01' AND p.main IN (SELECT main FROM phase_names)
)
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 case_mkey FROM case_phases WHERE main = 150)
ORDER BY c."eventDate" DESC, c."ntsbNumber" 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.
NTSB ANC25LA097Accident · No injuriesClass 4 · LimitedFinal reportAirbus Helicopters AS350B3e · Skwentna, AKThe pilot’s inadvertent entanglement of a lightweight Kevlar long line into the helicopters operating main rotor system, resulting in a severe imbalance and separation of the main rotor gearbox.NTSB ANC20CA068Accident · No injuriesClass 4 · Data collectionFinal reportRobinson R44 · Ketchikan, AKThe crew leader's decision to throw a chainsaw bar into the moving arc of the main rotor blade.NTSB GAA18CA534Accident · No injuriesData collectionFinal reportRobinson R44 · Girdwood, AKThe fisherman's fishing rod striking the helicopter’s rotating main rotor disk during loading.NTSB GAA18CA289Accident · No injuriesData collectionFinal reportAerospatiale AS350 B2 Ecureuil · Yakutat, AKThe helicopter’s movement during startup in gusting wind conditions, which resulted in the main rotor striking the tailboom.NTSB GAA16CA009Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Ketchikan, AKThe pilot's failure to maintain directional control during the engine start sequence, which resulted in the helicopter sliding on a steel deck and impacting a crane. Contributing to the accident was the absence of traction material on the helicopter…NTSB ANC15LA035Accident · 1 fatalLimited investigationFinal reportPiper PA 18-150 · McCarthy, AKThe pilot's failure to ensure adequate clearance from the spinning propeller while traversing the area between the leading edge of the wing and the nose of the airplane. Contributing to the accident was the decision to leave the cockpits of the airplanes…NTSB ANC14CA088Accident · No injuriesData collectionFinal reportPiper PA 12 · Holy Cross, AKThe pilot's selection of unsuitable terrain for takeoff/landing and failure to maintain control of the aircraft.NTSB ANC14LA041Accident · No injuriesClass 3 · LimitedFinal reportAirbus/Eurocopter AS 350 B3 · Anchorage, AKThe pilot’s improper engine start procedure, which resulted in an overspeed of the engine and main rotor drive system.NTSB ANC12CA100Accident · No injuriesData collectionFinal reportAerospatiale AS350 B2 · Talkeetna, AKThe entanglement of a plastic tarp in the helicopter’s tail rotor after becoming dislodged from its securement.NTSB ANC12CA077Accident · No injuriesData collectionFinal reportBell 206L-3 · Circle, AKThe pilot's selection of unsuitable terrain for landing.NTSB ANC12CA032Accident · No injuriesData collectionFinal reportRobinson Helicopter R22 Alpha · Palmer, AKThe pilot's selection of unsuitable terrain for landing, which resulted in a tailrotor strike.NTSB ANC12CA018Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Beluga, AKGround personnel's movement of cargo in windy conditions, which allowed a previously secured cargo sack to blow into the main rotor blades.NTSB ANC11LA108Accident · No injuriesLimited investigationFinal reportEurocopter AS 350 BA · Juneau, AKUpslope wind conditions while the helicopter was operating at ground idle, which resulted in the helicopter rollover. Contributing to the accident was the lack of manufacturer data regarding the effect of upslope wind conditions on helicopter ground idle…NTSB ANC11CA056Accident · No injuriesData collectionFinal reportHughes 500D · Ambler, AKThe pilot's misalignment of the helicopter on the landing structure.NTSB ANC09CA078Accident · Serious injuriesData collectionFinal reportTaylorcraft BC12-D · Anchorage, AKThe pilot's failure to remain clear of the propeller after starting the float-equipped airplane's engine by hand-propping.NTSB ANC07LA008Accident · No injuriesLimited investigationFinal reportBoeing 747-228F · Anchorage, AKThe failure of the deicing truck crew to maintain sufficient distance from the parked airplane during deicing, which resulted in a collision and substantial damage to the airplane.NTSB ANC06CA053Accident · No injuriesData collectionFinal reportCessna 207 · Akiachak, AKThe failure of the driver of an all terrain vehicle to maintain adequate visual lookout while maneuvering on the ramp, which resulted in a collision with the parked accident airplane's elevator.NTSB ANC05CA084Accident · No injuriesData collectionFinal reportPiper PA-18 · Pamler, AKThe student pilot's failure to obtain/maintain adequate airspeed during takeoff-initial climb, which resulted in an in-flight collision with trees. Factors associated with the accident are a tailwind and diminished braking capability.NTSB ANC04LA079Accident · No injuriesLimited investigationFinal reportHughes 500D · Iliamna, AKThe ground crew's failure to use proper procedures while securing a sling load to the helicopter, which resulted in foreign object damage to the helicopter's main rotor system while idling.NTSB ANC04LA077Accident · No injuriesLimited investigationFinal reportHughes 369D · Nome, AKThe pilot's inadequate compensation for wind conditions while the helicopter was standing, which resulted in the coasting main rotor blade contacting the tail boom. A factor associated with the accident was the gusty wind condition.NTSB ANC04IA058Incident · Minor injuriesIncident investigationFinal reportBoeing 757-251 · Anchorage, AKThe failure of the flight attendant to follow the appropriate door opening procedure by remaining clear of the door handle when the passenger door was opened from the outside by customer service personnel, which resulted in a wrist injury to the flight…NTSB ANC04LA052Accident · No injuriesLimited investigationFinal reportDouglas C-54B · McGrath, AKA fuel tank explosion in the left wing auxiliary fuel tank, and subsequent fuel fire that occurred during engine start for an undetermined reason.NTSB ANC03LA030Accident · No injuriesLimited investigationFinal reportCessna 208B · Russian Mission, AKThe failure of the pilot to use a tail stand while loading passengers, which resulted in the airplane's tail impacting the ground.NTSB ANC02LA043Accident · No injuriesLimited investigationFinal reportRobinson R-44 · Galena, AKThe pilot's selection of unsuitable terrain for landing which precipitated a grass fire. Factors contributing to the accident were the manufacturer's inadequate design of the helicopter's exhaust system, placing it low to the ground, and terrain conditions…NTSB ANC02LA031Accident · No injuriesLimited investigationFinal reportCessna 172 · Fairbanks, AKThe pilots improper starting procedure. Factors associated with the accident are the continued operation of the airplane with a known mechanical deficiency, and failure to use wheel chocks and/or tie-down rope/straps to restrain the airplane during the engine…NTSB ANC00FA081Accident · 1 fatalField investigationFinal reportCessna 337C · Marshall, AKThe pilot's attempted takeoff with known deficiencies in equipment (an inoperable rear engine) and an inadvertent stall. Factors associated with the accident were the pilot's improper retraction of the landing gear, his over confidence in the airplane's…NTSB ANC99LA129Accident · No injuriesLimited investigationFinal reportTaylorcraft BC12-D · Anchorage, AKThe pilot's inadequate preflight planning/preparation, and improper starting procedure.NTSB ANC99LA107Accident · No injuriesLimited investigationFinal reportde Havilland DHC-6-300 · Ketchikan, AKA failure of ground handling personnel to verify a release procedure/directive, and removal of the airplane's tiedown, and subsequent collision with a parked airplane.NTSB ANC99LA094Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Teller, AKThe pilot's improper starting procedure.NTSB ANC99TA090Accident · No injuriesFinal reportBell 206B · Deadhorse, AKA failure of the pilot-in-command to perform an adequate preflight inspection, and remove a rotor blade tie-down strap.NTSB ANC98TA162Accident · Serious injuriesFinal reportHughes 369D · Homer, AKThe passenger not following the instructions given by the pilot. Contributing factors were the rising terrain and the pilot's diverted attention during the toe in landing.NTSB ANC98TA125Accident · No injuriesFinal reportBell 206B II · Chickaloon, AKA fracture of the main rotor drag pin assembly.NTSB ANC98IA026Incident · No injuriesIncident investigationFinal reportBoeing 737-205 · Anchorage, AKThe dynamic imbalance in the yaw rate gyro, which provided input to the yaw damper and rudder. A factor was the deteriorated grease in the gyro bearings.NTSB ANC96TA092Accident · No injuriesFinal reportHughes 369D · Ketchikan, AKThe pilot's failure to maintain control of the helicopter. The pilot's selection of unsuitable terrain for landing was a factor in the accident.NTSB ANC95LA062Accident · No injuriesLimited investigationFinal reportAerospatiale AS-350-B2 · Skagway, AKThe pilot's selection of unsuitable terrain for landing. Factors in the accident were the uneven and icy terrain.NTSB ANC95LA012Accident · 1 fatalLimited investigationFinal reportBell 206 · Juneau, AKThe employee's disregard for company training and policies about the dangers of helicopter rotor blades. The running aircraft with the rotors turning was a factor in the accident.NTSB ANC94LA136Accident · No injuriesLimited investigationFinal reportCessna 140 · Willow, AKThe pilot's improper starting procedures. Factors in the accident were the unavailability of a parking brake and tiedowns to secure the airplane.NTSB ANC94FA089Accident · No injuriesField investigationFinal reportAerospatiale AS-350 · Juneau, AKThe pilot's selection of unsuitable landing terrain. A factor was the crevasse in the ice.NTSB ANC94LA064Accident · No injuriesLimited investigationFinal reportHiller FH1100 · Tyonek, AKThe pilot's selection of unsuitable terrain for landing which resulted in a dynamic rollover. A factor was the soft landing area selected.NTSB ANC93IA183Incident · No injuriesIncident investigationFinal reportCessna 180C · Anchorage, AKA frayed fuel hose.NTSB ANC93LA171Accident · 1 fatalLimited investigationFinal reportPiper PA-12 · Ptarmigan Pass, AKThe pilot inadvertently walked into a turning propeller. Factors in the accident were the soft runway which mired the airplane and the pilot's diverted attention during the attempt to free the airplane.NTSB ANC93LA105Accident · Serious injuriesLimited investigationFinal reportPiper PA-31-350 · Gambell, AKIntentional personal injury. Factors in the accident were: the person's psychological condition, and the lack of sufficient procedures/airport staff by the operator(s).NTSB ANC93LA022Accident · No injuriesLimited investigationFinal reportCessna 172 · Juneau, AKImproper airport ramp operations, specifically, the vehicle driver's operation of a loaded forklift near taxiing aircraft and standing aircraft.NTSB ANC92LA090Accident · No injuriesLimited investigationFinal reportMcDonnell Douglas MD-500D · Polk Inlet, AKThe pilot's failure to follow proper procedure and the company's inadequate procedures and directives. A factor was the uneven terrain.NTSB ANC90LA078Accident · No injuriesLimited investigationFinal reportChampion Aeronca 7DC · Elmendorf, AKFailure of the pilot to properly tie down and chock the aircraft and/or obtain proper assistance, and his failure to properly set the throttle, while hand propping to start the engine.NTSB ANC89LA180Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Windy Fork, AKImproper planning/decision by the pilot.NTSB ANC89LA109Accident · No injuriesLimited investigationFinal reportPiper PA-28 · Kenai, AKFailure of the pilot to obtain proper assistance in starting the engine and/or his inadequate supervision. The passenger's lack of familiarity with the aircraft resulted in her improper use of the throttle which contributed to the accident.NTSB ANC89IA032Incident · No injuriesIncident investigationFinal reportBoeing 727-222 · Anchorage, AKImproper placement of the 727 on the ramp and the failure of the 747 crew to maintain separation.NTSB ANC89LA014Accident · No injuriesLimited investigationFinal reportCessna TU206A · Soldotna, AKThe ATP certificated pilot and his two passengers were returning from a hunting trip when the turbocharged Cessna 206 caught fire soon after landing. The pilot stated that the engine quit during the landing roll and an attempt at restarting the engine as the…NTSB SEA88LA127Accident · No injuriesLimited investigationFinal reportEnstrom F-28F · Haines, AKThe pilot purchased the helicopter with an undocumented modification designed to restrain the collective. Reportedly, hereceived no guidance regarding the use of the collective hold-down device. According to the aircraft manufacturer there existed no Enstrom…