NTSB investigations, 2016, AK

180,616 investigations by the National Transportation Safety Board since 1962: 174,594 accidents, the rest incidents and other occurrences. Each has NTSB’s narrative and, once the investigation is done, its probable cause; since 2008, its findings and sequence of events.

Cases per year

19622026
NTSB investigations, 2016, AK per year, 1962–2026: 9,806 cases
19629
196311
1964171
1965158
1966174
1967167
1968173
1969201
1970211
1971214
1972195
1973211
1974224
1975249
1976296
1977251
1978265
1979228
1980239
1981227
1982199
1983211
1984216
1985203
1986186
1987189
1988179
1989193
1990193
1991176
1992192
1993191
1994138
1995173
1996161
1997157
1998172
1999159
2000140
2001131
2002139
2003120
2004107
2005129
200696
2007105
2008108
2009101
201091
2011104
2012112
201394
201479
201577
201697
201775
201893
201987
202080
202192
202284
202375
202480
202586
202662

Latest 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 year(c.\"eventDate\") = 2016
    AND c.\"eventStateOrRegion\" = 'AK' AND c.\"eventCountry\" = 'USA'
  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.

NTSB ANC17LA013Accident · Minor injuriesLimited investigationFinal reportRobinson Helicopter R22 · Palmer, AKThe pilot's failure to maintain main rotor revolutions per minute (RPM) during a pinnacle landing, which resulted in a main rotor stall condition, a loss of control, and a subsequent impact with terrain. A contributing factor was the flight instructor's…Dec 18, 2016 · N121MR · Substantial damageNTSB ANC17FA012Accident · 2 fatalField investigationFinal reportPiper PA 11 · Aniak, AKThe pilot's intentional flight of the airplane into terrain in an act of suicide.Dec 16, 2016 · N5028H · Substantial damageNTSB GAA17CA101Accident · No injuriesData collectionFinal reportMaule MX 7 · Willow, AKThe pilot’s failure to ensure that the runway was clear of any obstacles before departure, which resulted in the airplane impacting a snowdrift.Dec 15, 2016 · N56681 · Substantial damageNTSB ANC17FA010Accident · 4 fatalField investigationFinal reportPiper PA 28-180 · Port Alsworth, AKUndetermined due to a lack of physical evidence.Dec 7, 2016 · N8648N · Substantial damageNTSB ANC17FA009Accident · 1 fatalClass 3 · FieldFinal reportBellanca 7GCBC · Fairbanks, AKThe pilot’s decision to operate the airplane at an altitude too low to allow for recovery from an intentional aerodynamic stall. Contributing to the accident was the pilot’s lack of knowledge of the stall performance characteristics of the airplane modified…Dec 7, 2016 · N88452 · Substantial damageNTSB ANC17LA011Accident · Minor injuriesLimited investigationFinal reportRobinson Helicopter R22 · Unalaska, AKThe pilot’s failure to maintain adequate clearance from terrain during a precautionary landing in whiteout conditions, which resulted in an in-flight collision with terrain.Dec 2, 2016 · N7085K · Substantial damageNTSB ANC17LA008Accident · No injuriesLimited investigationFinal reportAirborne Extreme SQ-12 · Palmer, AKThe fuel injector manufacturer's inappropriate guidance to use a 5-ampere circuit breaker in place of the required 10-ampere circuit breaker on the fuel injector circuit, which resulted in the circuit breaker opening, a loss of electrical power to the…Nov 25, 2016 · N37PX · Substantial damageNTSB ANC17LA007Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Bethel, AKThe mechanic's failure to install a whistle slot in the engine breather tube, which resulted in a frozen tube, displacement of the crankshaft oil seal, a loss of oil, and smoke in the cockpit, which led to a forced landing.Nov 22, 2016 · N83641 · Substantial damageNTSB ANC17LA014Accident · Serious injuriesLimited investigationFinal reportPiper PA 32R-300 · McGrath, AKThe failure of the nose landing gear to extend and lock due to the failure of the alternator and reduced battery power due to the cold ambient temperature, which prohibited the electrically-driven hydraulic pump from supplying adequate hydraulic pressure to…Nov 21, 2016 · N4352F · Minor damageNTSB ANC17LA006Accident · Minor injuriesLimited investigationFinal reportPiper PA32R · Bethel, AKA total loss of engine power due to oil starvation, which resulted from an oil cooler leak at a fractured brazed seam.Nov 12, 2016 · N9084J · Substantial damageNTSB ANC17LA005Accident · No injuriesLimited investigationFinal reportCessna A185 · Ninilchik, AKA loss of brake system fluid due to leaks in the o-rings, which resulted in asymmetrical braking and a subsequent loss of directional control during the landing roll.Nov 12, 2016 · N4918Q · Substantial damageNTSB GAA17CA057Accident · No injuriesData collectionFinal reportPiper PA18 · Mouth of The Big Susitna River, AKThe pilot’s decision to take off with a gusting quartering tailwind and his subsequent loss of airplane control.Nov 7, 2016 · N62744 · Substantial damageNTSB ANC17FA004Accident · 1 fatalField investigationFinal reportFairchild Heli-Porter Pilatus PC-6 · Port Alsworth, AKThe airplane's collision with mountainous terrain while operating in an area of reduced visibility and icing conditions. Contributing to the accident was the pilot's inadequate preflight planning, which would have identified deteriorating weather conditions…Oct 29, 2016 · N5308F · Substantial damageNTSB ANC17FA003Accident · 1 fatalField investigationFinal reportCessna 172 · Palmer, AKThe student pilot's exceedance of the airplane's critical angle of attack during a steep climbing turn following a touch-and-go landing, which resulted in an aerodynamic stall at too low of an altitude to recover.Oct 29, 2016 · N6353E · Substantial damageNTSB GAA17CA041Accident · No injuriesData collectionFinal reportCessna A185 · Anchorage, AKThe pilot's failure to maintain directional control during the landing roll.Oct 20, 2016 · N7565H · Substantial damageNTSB GAA17CA051Accident · No injuriesData collectionFinal reportCessna 152 · Chickaloon, AKThe flight instructor's delay in aborting the takeoff from a turf runway, which resulted in a runway overrun.Oct 14, 2016 · N488E · Substantial damageNTSB GAA17CA027Accident · Minor injuriesData collectionFinal reportPiper PA18 · Palmer, AKThe airplane's encounter with a depression while the pilot applied excessive braking during the landing roll on a grass airstrip, which resulted in a nose-over.Oct 14, 2016 · N2791P · Substantial damageNTSB GAA17CA023Accident · No injuriesData collectionFinal reportNorth American Navion · Palmer, AKThe pilot's failure to extend the landing gear for landing.Oct 5, 2016 · N8895H · Substantial damageNTSB ANC17MA001Accident · 3 fatalClass 1 · MajorFinal reportCessna 208B · Togiak, AKThe flight crew's decision to continue the visual flight rules flight into deteriorating visibility and their failure to perform an immediate escape maneuver after entry into instrument meteorological conditions, which resulted in controlled flight into…Oct 2, 2016 · N208SD · DestroyedNTSB GAA17CA001Accident · Minor injuriesData collectionFinal reportBellanca 7GCBC · Fairbanks, AKThe pilot’s improper crosswind correction, which resulted in a loss of pitch control and nose-over.Oct 1, 2016 · N8922 · Substantial damageNTSB GAA16CA516Accident · No injuriesData collectionFinal reportPiper PA 18 · Kotzebue, AKThe pilot’s selection of unsuitable terrain for an off-airport precautionary landing, which resulted in a nose-over.Sep 26, 2016 · N2880P · Substantial damageNTSB ANC16LA072Accident · No injuriesLimited investigationFinal reportHelio H-250 · Anchorage, AKThe fatigue fracture failure of both main landing gear (MLG) legs during the landing roll, which resulted in the collapse and separation of both MLG legs.Sep 26, 2016 · N6324V · Substantial damageNTSB ANC16LA071Accident · No injuriesLimited investigationFinal reportHelio H-295 · Delta Junction, AKThe pilot’s decision to take off from a wet, snowy airstrip and his delayed decision to abort the takeoff, which resulted in a runway excursion.Sep 26, 2016 · N68857 · Substantial damageNTSB ANC16CA069Accident · Minor injuriesData collectionFinal reportPiper PA18 · Willow, AKThe pilot's failure to maintain airplane control during the landing roll, which resulted in a nose-over.Sep 25, 2016 · N743R · Substantial damageNTSB GAA16CA503Accident · Minor injuriesData collectionFinal reportCessna 185 · Fairbanks, AKThe pilot’s failure to recognize he was taking off with a tailwind and his inadequate compensation for taking off with a tailwind, which led to the airplane’s failure to attain a climb and a subsequent forced landing.Sep 22, 2016 · N5892T · Substantial damageNTSB ANC16CA073Accident · No injuriesData collectionFinal reportBellanca 7GCBC · Soldotna, AKThe pilot’s failure to maintain an adequate glidepath during landing, which resulted in an unintended touchdown before the chosen landing area.Sep 22, 2016 · N5507K · Substantial damageNTSB ANC16CA066Accident · No injuriesData collectionFinal reportPiper PA 18 · McGrath, AKThe pilot's excessive taxi speed, which resulted in a loss of control and subsequent nose over.Sep 18, 2016 · N5773D · Substantial damageNTSB ANC16LA068Accident · Serious injuriesLimited investigationFinal reportJeffery D Tuttle BDK Carbon Concepts · Wasilla, AKThe structural failure of both wings’ leading-edge slats, which resulted in a loss of airplane control.Sep 16, 2016 · N8008Z · Substantial damageNTSB ANC16LA067Accident · No injuriesLimited investigationFinal reportHelio H 295 · Fairbanks, AKExcessive side loads imposed on the tailwheel A-frame during the takeoff roll, which resulted in a separation of the tailwheel and the subsequent loss of directional control.Sep 16, 2016 · N6464V · Substantial damageNTSB ANC16FA065Accident · 1 fatalField investigationFinal reportHefty Polar Cub · Anchorage, AKThe pilot's severe impairment from carbon monoxide poisoning in flight, which resulted in a loss of control and a subsequent collision with trees and terrain.Sep 11, 2016 · N62905 · DestroyedNTSB GAA16CA482Accident · No injuriesData collectionFinal reportPiper PA18 · Gulkana, AKThe pilot’s failure to maintain clearance from a tree while maneuvering at low altitude.Sep 9, 2016 · N13833 · Substantial damageNTSB ANC16LA062Accident · Serious injuriesClass 3 · LimitedFinal reportDehavilland DHC-2 · Kodiak, AKThe pilot's failure to maintain adequate airspeed during the initial climb and turn after takeoff, which resulted in an exceedance of the airplane's critical angle of attack and an aerodynamic stall.Sep 9, 2016 · N91AK · Substantial damageNTSB GAA16CA486Accident · No injuriesData collectionFinal reportChampion 7GC · Palmer, AKThe pilot’s inadequate preflight inspection and failure to assess the airplane’s fuel quantity before departure, which resulted in fuel exhaustion.Sep 4, 2016 · N4831E · Substantial damageNTSB GAA16CA474Accident · No injuriesData collectionFinal reportCessna 180 · Yakutat, AKThe pilot's inadequate inspection of the off-airport landing area, which resulted in an encounter with standing water and a nose over.Sep 3, 2016 · N54AF · Substantial damageNTSB GAA16CA468Accident · No injuriesData collectionFinal reportMaule M4 · Talkeetna, AKThe pilot's failure to recognize and compensate for tailwind conditions during the landing roll, which resulted in a runway overrun and nose over.Sep 3, 2016 · N40661 · Substantial damageNTSB GAA16CA463Accident · No injuriesData collectionFinal reportCessna 182 · Barrow, AKThe pilot's failure to maintain directional control during the landing roll, which resulted in a runway excursion, a nose over, and substantial damage to the right wing strut and fuselage. Contributing to the accident was the sun glare which inhibited the…Sep 3, 2016 · N9928T · Substantial damageNTSB GAA16CA487Accident · No injuriesData collectionFinal reportCessna 172 · Anchorage, AKThe airplane’s encounter with a developing sink hole during taxi on the ramp area.Sep 1, 2016 · N52950 · Substantial damageNTSB ANC16FA061Accident · 5 fatalField investigationFinal reportCessna 208 · Russian Mission, AKThe failure of both pilots to see and avoid each other while in level cruise flight, which resulted in a midair collision.Aug 31, 2016 · N752RV · 2 aircraft · DestroyedNTSB GAA16CA456Accident · No injuriesData collectionFinal reportPiper PA18 · Kenai, AKThe pilot's improper soft field landing technique on a soft grass airstrip, which resulted in a nose over.Aug 27, 2016 · N7184B · Substantial damageNTSB ANC16LA060Accident · Serious injuriesLimited investigationFinal reportPiper PA 18-150 · Salcha, AKThe pilot's decision to continue visual flight into instrument meteorological conditions, which resulted in an in-flight collision with terrain.Aug 27, 2016 · N8998Y · Substantial damageNTSB GAA16CA458Accident · No injuriesData collectionFinal reportPiper PA18 · Central, AKThe pilot's decision to taxi on unsuitable terrain after landing, which resulted in an encounter with a washed out ditch.Aug 26, 2016 · N9575D · Substantial damageNTSB ANC16CA058Accident · No injuriesData collectionFinal reportPiper J5A · Sterling, AKThe pilot's improper fuel management, which led to fuel exhaustion and a subsequent forced landing on a road too narrow for the airplane.Aug 25, 2016 · N35589 · Substantial damageNTSB GAA16CA445Accident · No injuriesData collectionFinal reportCessna T207 · Nanwalek, AKThe pilot’s unstabilized approach and a subsequent runway overrun while landing on a short runway in variable wind conditions.Aug 23, 2016 · N91025 · Substantial damageNTSB GAA16CA442Accident · No injuriesData collectionFinal reportCessna 172 · Anchorage, AKThe facility's designation of the taxiway for use by maintenance personnel to conduct high thrust tests without appropriate safeguards in place, which led to maintenance personnel conducting high-power, run-up thrust procedures across the active taxiway and…Aug 20, 2016 · N35408 · Substantial damageNTSB GAA16CA440Accident · No injuriesData collectionFinal reportPiper PA 18-150 · Palmer, AKThe pilot's excessive brake application during the landing roll resulting in a nose over.Aug 19, 2016 · N5408Y · Substantial damageNTSB GAA16CA455Accident · No injuriesData collectionFinal reportCessna U206 · Sleetmute, AKThe pilot's exceedance of the critical angle of attack during the landing flare, which resulted in an aerodynamic stall and a hard landing.Aug 17, 2016 · N8076Z · Substantial damageNTSB GAA16CA434Accident · No injuriesData collectionFinal reportCessna 182 · Anchorage, AKThe pilot's failure to maintain a controlled landing flare, which resulted in a hard landing. Contributing to the accident was the pilot's inattention and distraction.Aug 17, 2016 · N2704Q · Substantial damageNTSB GAA16CA436Accident · No injuriesData collectionFinal reportPiper PA18 · Anchor Point, AKThe pilot's failure to maintain clearance from obstacles while landing on a coastal beach.Aug 16, 2016 · N8097N · Substantial damageNTSB ANC16LA059Accident · No injuriesLimited investigationFinal reportWight Carbon CUB CCK-1865 · Wasilla, AKThe failure of the tailwheel suspension assembly during landing due to preexisting fatigue fractures in the suspension system, which resulted in a loss of directional control.Aug 13, 2016 · N625EX · Substantial damageNTSB ANC16FA057Accident · 1 fatalField investigationFinal reportChampion 7ECA · Chugiak, AKThe pilot's failure to maintain proper airspeed and his exceedance of the airplane's critical angle of attack during a steep low-altitude turn following a loss of engine power, which resulted in an aerodynamic stall and subsequent loss of control at too low…Aug 13, 2016 · N9541S · Destroyed