NTSB investigations, 2016
191 cases where the phase of flight was Takeoff.
Cases per year
| 1962 | 4 |
|---|---|
| 1963 | 5 |
| 1964 | 352 |
| 1965 | 314 |
| 1966 | 410 |
| 1967 | 449 |
| 1968 | 327 |
| 1969 | 364 |
| 1970 | 345 |
| 1971 | 383 |
| 1972 | 265 |
| 1973 | 299 |
| 1974 | 343 |
| 1975 | 315 |
| 1976 | 281 |
| 1977 | 333 |
| 1978 | 344 |
| 1979 | 321 |
| 1980 | 251 |
| 1981 | 289 |
| 1982 | 254 |
| 1983 | 247 |
| 1984 | 238 |
| 1985 | 192 |
| 1986 | 182 |
| 1987 | 187 |
| 1988 | 168 |
| 1989 | 162 |
| 1990 | 185 |
| 1991 | 191 |
| 1992 | 146 |
| 1993 | 140 |
| 1994 | 175 |
| 1995 | 197 |
| 1996 | 145 |
| 1997 | 154 |
| 1998 | 153 |
| 1999 | 175 |
| 2000 | 162 |
| 2001 | 148 |
| 2002 | 153 |
| 2003 | 162 |
| 2004 | 129 |
| 2005 | 143 |
| 2006 | 127 |
| 2007 | 150 |
| 2008 | 170 |
| 2009 | 205 |
| 2010 | 198 |
| 2011 | 188 |
| 2012 | 184 |
| 2013 | 153 |
| 2014 | 188 |
| 2015 | 184 |
| 2016 | 191 |
| 2017 | 195 |
| 2018 | 172 |
| 2019 | 197 |
| 2020 | 193 |
| 2021 | 179 |
| 2022 | 176 |
| 2023 | 204 |
| 2024 | 216 |
| 2025 | 203 |
| 2026 | 179 |
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 year(c.\"eventDate\") = 2016
AND c.\"mKey\" IN (SELECT case_mkey FROM case_phases WHERE main = 300)
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 year(c."eventDate") = 2016
AND c."mKey" IN (SELECT case_mkey FROM case_phases WHERE main = 300)
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 ERA17WA076Accident · 1 fatalForeign investigationAir Tractor AT802 · Santa Juana, ChileNTSB DCA17WA047Accident · Minor injuriesForeign investigationBoeing 737 · Dabolim, Goa, IndiaThe India Air Accident Investigation Bureau (AAIB) has notified the NTSB of an accident involving a Boeing 737-800 airplane that occurred on December 27, 2016. The NTSB has appointed a U.S. Accredited Representative to assist the AAIB's investigation under…NTSB CEN17LA061Accident · Minor injuriesLimited investigationFinal reportMead RV 8A · Farmington, MOThe pilot's failure to maintain airplane control during takeoff in crosswind conditions.NTSB DCA17WA044Accident · 3 fatalForeign investigationBoeing 727 · Puerto Carreno, ColombiaThe Accident Investigation Group (AIG) of Colombia has notified the NTSB of an accident involving a Boeing 727 airplane that occurred on December 20, 2016. The NTSB has appointed a U.S. Accredited Representative to assist the AIG of Colombia's investigation…NTSB CEN17LA057Accident · No injuriesLimited investigationFinal reportStinson 108-3 · Ionia, MIA failure of the aft support cable on the left main landing ski due to an inadequately formed nicopress sleeve, which allowed the ski to rotate into a vertical position shortly after liftoff, and its unavoidable separation during the subsequent landing.NTSB 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.NTSB ERA17WA080Accident · 6 fatalForeign investigationNeiva EMB-721D · Manaus, BrazilOn December 7, 2016, about 1150 UTC, an Industria Aeronautica Neiva S/A EMB 721D, Brazilian registration PT-REI, registered to and operated by a foreign individual, collided with trees then terrain shortly after takeoff. Visual meteorological conditions…NTSB ERA17LA063Accident · No injuriesLimited investigationFinal reportCirrus Design SR22 · Bluefield, WVThe pilot's failure to maintain directional control during the aborted takeoff.NTSB CEN17LA042Accident · Serious injuriesLimited investigationFinal reportNorthwing Navajo · Daingerfield, TXThe noncertificated pilot’s unfamiliarity with the aircraft, which resulted in a loss of control during an unintentional takeoff.NTSB GAA17CA081Accident · No injuriesData collectionFinal reportCessna 172 · Destin, FLThe student pilot’s overcorrection with right rudder, which resulted in a loss of directional control, and the flight instructor’s delayed remedial action.NTSB GAA17CA070Accident · Minor injuriesData collectionFinal reportRobinson Helicopter R44 · Stone Lake, WIThe pilot’s failure to maintain lateral control while in a hover and the helicopter’s subsequent impact with a tree.NTSB WPR17LA019Accident · Serious injuriesLimited investigationFinal reportBell 206B · Yuma, AZThe pilot’s inability to maintain helicopter control after its skid got caught on the landing pad while he was maneuvering the helicopter to land on it, which resulted in a dynamic roll-over.NTSB GAA17CA073Accident · No injuriesData collectionFinal reportCarter Richard L Buddy Baby Lakes · Hurricane, UTThe pilot's failure to maintain directional control during takeoff, which resulted in a runway excursion.NTSB GAA17CA076Accident · No injuriesData collectionFinal reportCessna 172 · Salmon, IDThe airplane's encounter with a depression in a dirt runway during takeoff, which resulted in a tail strike.NTSB 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.NTSB GAA17CA056Accident · No injuriesData collectionFinal reportBeech 76 · Davis, CAThe pilot's failure to maintain directional control during a simulated left engine failure during takeoff. Also causal to the accident was the flight instructor's delayed remedial action to maintain directional control and reduce the right engine mixture…NTSB CEN17FA035Accident · 1 fatalField investigationFinal reportStamper RV-10 · Dubois, WYThe pilot's failure to maintain adequate airspeed after becoming distracted by the opening of the gull-wing cabin door during takeoff, which resulted in the airplane exceeding its critical angle of attack and experiencing an aerodynamic stall at a low…NTSB CEN17LA029Accident · No injuriesLimited investigationFinal reportBeech 100 · Jeffersonville, INThe pilot’s inadequate preflight planning, his decision to take off knowing the airplane was over its gross takeoff weight, and his failure to abort the takeoff after he realized that the airplane was not accelerating as expected, which resulted in a runway…NTSB DCA17FA021Accident · Serious injuriesClass 1 · FieldFinal reportBoeing 767 · Chicago, ILThe failure of the high-pressure turbine (HPT) stage 2 disk, which severed the main engine fuel feed line and breached the right main wing fuel tank, releasing fuel that resulted in a fire on the right side of the airplane during the takeoff roll. The HPT…NTSB CEN17LA031Accident · No injuriesLimited investigationFinal reportPiper PA 28-236 · Lexington, MOA total loss of engine power during takeoff for reasons that could not be determined based on available information.NTSB CEN17FA026Accident · 1 fatalField investigationFinal reportRoe Cleo Wittman Tailwind W10 · Pearland, TXThe pilot's failure to maintain adequate airspeed and his exceedance of the airplane's critical angle of attack during a climbing turn after takeoff, which resulted in an aerodynamic stall/spin. Contributing to the accident was the pilot's inadequate training…NTSB CEN17LA032Accident · No injuriesLimited investigationFinal reportBoeing A75N1 (PT17) · Ingleside, TXThe pilot's failure to maintain proper yaw and roll control during takeoff, which resulted in excessive adverse yaw upon liftoff.NTSB CEN17LA025Accident · Serious injuriesLimited investigationFinal reportCessna 182Q · Buffalo, WYThe pilot’s failure to set the proper flap position before the short field takeoff, which resulted in a runway excursion and impact with terrain.NTSB WPR17LA009Accident · No injuriesLimited investigationFinal reportGray Jim Robert Exec 90 · Caldwell, IDThe pilot's failure to properly tighten the tension bolts during the installation of the alternator belt, which resulted in inadequate voltage to sustain ignition and the subsequent partial loss of engine power.NTSB GAA17CA033Accident · Minor injuriesData collectionFinal reportStinson 108 3 · Boulder City, NVThe pilot’s failure to ensure that the aerial pickup towline was not entangled around the horizontal stabilizer after the banner pickup.NTSB GAA17CA042Accident · No injuriesData collectionFinal reportCessna 152 · Miami, FLThe student pilot's failure to maintain directional control during the aborted takeoff, which resulted in a runway excursion.NTSB ERA17LA020Accident · Minor injuriesLimited investigationFinal reportTaylorcraft BC12 D · Vaughn, GAA total loss of engine power for reasons that could not be determined because postaccident examination of the airplane and engine did not reveal any evidence of preimpact malfunctions or failures that would have precluded normal operation.NTSB CEN17WA017Accident · 1 fatalForeign investigationCessna F150 · Cambridge, United KingdomOn October 17, 2016, at 1021 coordinated universal time, a Reims Cessna F150M airplane, G-BDZC, crashed after takeoff at the Bourn Airfield (EGSN), Cambridge, United Kingdom. The pilot was fatally injured.The accident investigation is under the jurisdiction…NTSB 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.NTSB GAA17CA020Accident · No injuriesData collectionFinal reportRemos Remos GX · Lowell, ARThe pilot’s decision to take off with a prevailing tailwind and insufficient distance to ensure obstacle clearance, which resulted in a collision with a tree.NTSB DCA17WA006Incident · No injuriesForeign investigationBoeing 777 · Melbourne, AustraliaThe Australian Transport Safety Bureau (ATSB) has notified the NTSB of an incident involving a BOEING 777 airplane that occurred on October 09, 2016. The NTSB has appointed a U.S. Accredited Representative to assist the government of Australia's investigation…NTSB GAA17CA014Accident · No injuriesData collectionFinal reportCessna 172 · Phoenix, AZThe flight instructor’s delayed remedial action, which resulted in his failure to maintain directional control during a go-around and a runway excursion.NTSB GAA17CA011Accident · No injuriesData collectionFinal reportFuller Neil H Glasair SH 2 · Bellingham, WAThe pilot’s failure to maintain directional control during the takeoff roll in crosswind conditions, which resulted in a runway excursion.NTSB WPR17CA001Accident · No injuriesData collectionFinal reportCessna R172K · Rosamond, CAThe pilot's improper use of the control lock, combined with his incomplete execution of two pre-departure procedures, which resulted in a takeoff with the control lock installed.NTSB CEN17LA001Accident · Serious injuriesLimited investigationFinal reportDrake Kitfox Speedster · Jennings, LAThe pilot’s failure to maintain adequate airspeed during takeoff, which resulted in an exceedance of the airplane’s critical angle of attack and subsequent aerodynamic stall.NTSB DCA16WA227Incident · No injuriesForeign investigationBoeing 777 · Abu Dhabi, United Arab EmiratesThe General Civil Aviation Authority (GCAA) of the United Arab Emirates has notified the NTSB of an incident involving a Boeing 777 that occurred on September 27, 2016. The NTSB has appointed a U.S. Accredited Representative to assist the GCAA's investigation…NTSB 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.NTSB GAA16CA526Accident · No injuriesData collectionFinal reportSix Chuter Legend XL · Arcadia, FLThe pilot’s decision to take off in high-density altitude conditions, which resulted in the powered parachute being unable to maintain a sufficient climb rate and its subsequent impact with power lines.NTSB 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.NTSB CEN16FA378Accident · 2 fatalField investigationFinal reportPiper PA 28-235 · Lee's Summit, MOThe pilot's improper control inputs during takeoff, which resulted in the exceedance of the airplane's critical angle of attack and subsequent departure stall, and loss of airplane control.NTSB ENG16IA037Incident · No injuriesIncident investigationFinal reportAirbus A320 · Miami, FLthe incorrect latching of the #2 Engine Fan Cowl following a routine maintenance check that resulted in separation of the cowl during takeoff.NTSB CEN16LA375Accident · No injuriesLimited investigationFinal reportPiper PA 32R-300 · Grants, NMA loss of engine power for reasons that could not be determined based on the available information.NTSB WPR16LA185Accident · Minor injuriesLimited investigationFinal reportHoover David Arnold AR 6 · Reno, NVThe pilot of Race 11’s failure to maintain clearance from Race 1 during takeoff, and the insufficient abort procedures specified within the race rules. Contributing to the accident was the pilot of Race 1’s decision to shut down the engine on the runway and…NTSB GAA16CA499Accident · No injuriesData collectionFinal reportAlex Michael Bantum/Tercel USA TERCEL-GYROPLANE · Blairstown, NJThe student pilot’s incorrect takeoff procedure, which resulted in a loss of main rotor rpm and the subsequent loss of directional control and runway excursion.NTSB GAA16CA498Accident · No injuriesData collectionFinal reportAirtime Cygnet · Venice, FLThe student pilot’s failure to maintain directional control during the takeoff roll and the flight instructor’s delayed remedial action, which resulted in a runway excursion.NTSB 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.NTSB WPR16FA176Accident · Serious injuriesField investigationFinal reportCessna 310N · Wickenburg, AZTotal loss of power to the right engine during takeoff due to a fuel contaminant, which blocked the fuel flow transducer and resulted in fuel starvation to the engine.NTSB GAA16CA477Accident · No injuriesData collectionFinal reportPacific Aerospace 750XL · Warrenton, VAThe pilot's failure to set the wing flaps for takeoff, which resulted in an aerodynamic stall, an aborted takeoff, and a runway overrun.NTSB GAA16CA478Accident · No injuriesData collectionFinal reportCessna 180 · Clemson, SCThe pilot’s loss of directional control during the takeoff roll, which resulted in a runway excursion.NTSB 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.