NTSB investigations, 1992
146 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 | 204 |
| 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\") = 1992
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") = 1992
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 ATL93LA042Accident · No injuriesLimited investigationFinal reportPitts S2B · Tuscaloosa, ALThe failure of the pilot to maintain directional control of the aircraft, during the take off roll. A factor was the wind gust.NTSB NYC93LA047Accident · No injuriesLimited investigationFinal reportBeech C-24R · Meriden, CTThe pilot's improper airplane preflight, resulting in no airspeed indication during takeoff, and the subsequent abort with insufficient runway available to stop prior to a collision with the terrain.NTSB SEA93FA040Accident · Serious injuriesField investigationFinal reportDassault-Breguet Falcon 10 · Mccall, IDThe failure of the flight crew to follow the checklist and release the parking brake before takeoff. The inoperative parking brake warning light and the failure of the pilot to abort the takeoff were factors.NTSB NYC93LA039Accident · No injuriesLimited investigationFinal reportCessna 152 · Alberta, VAThe pilot attempted to take off on rough uneven terrain and could not attain rotation speed, which resulted in the airplane striking a tree during the ground run. A factor in this accident was inadequate pre flight planning.NTSB NYC93LA036Accident · Minor injuriesLimited investigationFinal reportPiper PA-32RT-301T · Jaffrey, NHAn improper weld by other maintenance personnel which resulted in the nose gear collapsing, and a loss of directional control on takeoff.NTSB ATL93LA032Accident · No injuriesLimited investigationFinal reportVan Arsdell/Brent,M. Rutan Long EZ · Charleston, SCThe pilot's inadequate pre-flight planning and his failure to note the raised arresting device near the runway threshold.NTSB SEA93LA028Accident · No injuriesLimited investigationFinal reportCessna A152 · Tremonton, UTDelayed remedial action. Factors include a tailwind.NTSB DEN93LA013Accident · No injuriesLimited investigationFinal reportMitsubishi MU-2B-25 · Broomfield, COA failure by FBO personnel to properly connect the nose wheel torque link after towing the aircraft.NTSB LAX93LA036Accident · Minor injuriesLimited investigationFinal reportBeech F33A · Phoenix, AZThe dual students premature retraction of the landing gear during the takeoff portion of a touch and go, and, the inadequate supervision of the flight by the instructor pilot. Factors which contributed to the accident were the deactivation of the landing gear…NTSB MIA93LA016Accident · No injuriesLimited investigationFinal reportCessna 172N · Ormond Beach, FLA fire of an undetermined source which erupted in the left cabin area during takeoff.NTSB BFO93LA004Accident · No injuriesLimited investigationFinal reportCessna 402 · Brookville, OHThe presence of animals on the runway, causing the pilot to execute an aborted takeoff and overrun the runway in an attempt to avoid the animals. Factors related to the accident were low lighting conditions and wet grass.NTSB ATL93LA023Accident · 1 fatalLimited investigationFinal reportBede BD-5B · Guntersville, ALThe pilot's inadvertent stall of the airplane, during the base to final turn, at too low an altitude to effect recovery. Factors were the improper lift off, which resulted in the airplane re contacting the runway after lift off, and served to distract the…NTSB BFO93FA001Accident · 1 fatalField investigationFinal reportPiper J5A · Lumberton, NJThe pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall and an uncontrolled descent at an altitude not possible for recovery.NTSB ATL93LA020Accident · No injuriesLimited investigationFinal reportMaule M4-210C · Pickens, SCThe pilot's failure to follow normal before takeoff procedures which included placing the propeller lever in the high RPM low pitch position. The pilot also delayed in aborting the takeoff attempt and applied hard braking which resulted in a nose over.NTSB NYC93LA035Accident · No injuriesLimited investigationFinal reportCessna 172M · Mallory, WVThe pilot failed to maintain control of the airplane, which resulted in the airplane departing the runway and striking a tree.NTSB FTW93LA016Accident · No injuriesLimited investigationFinal reportVuncannon Rotorway R162 · Wynne, ARLift degradation on one main rotor blade surface due to a foreign object.NTSB ANC93LA008Accident · Serious injuriesLimited investigationFinal reportPiper PA-22 · Seward, AKThe pilots failure to maintain directional control on the ground. Contributing to the accident was the pilots failure to maintain airspeed during the takeoff climb, his inadequate training, his lack of total experience, and the ditch.NTSB NYC93IA017Incident · No injuriesIncident investigationFinal reportBoeing 737-300 · Pittsburgh, PAThe high cycle fatigue failure of blades on the stage 1 high pressure compressor, which resulted in blade fracture and subsequent internal engine damage and fire.NTSB SEA93LA008Accident · No injuriesLimited investigationFinal reportJames R. Prideaux Avid Flyer · Mt. Home, IDDirectional control was not maintained. A factor to the accident was: a tail wind.NTSB NYC93FA005Accident · 3 fatalField investigationFinal reportBeech 35 · New Manchester, WVThe pilot's failure to obtain adequate airspeed and abort the takeoff. The pilot's premature rotation, upsloping runway, and a tailwind are contributing factors.NTSB ANC93LA004Accident · No injuriesLimited investigationFinal reportCessna 206U · Lime Village, AKPilot in command's poor preflight planning. A factor in the accident was the hazards on or near the gravel bar strip takeoff area.NTSB SEA93LA005Accident · No injuriesLimited investigationFinal reportSchweizer SSG 2-33A · Heber City, UTThe proper alignment was not maintained by the pilot. A factor relating to the accident was the sign located beside the runway.NTSB CHI92LA291Accident · No injuriesLimited investigationFinal reportPiper PA-28-180 · Lansing, MIThe pilot's inadequate planning and decision-making.NTSB ANC92LA183Accident · Minor injuriesLimited investigationFinal reportChampion 7GCBC · Fairbanks, AKThe pilot's preflight planning/preparation in accessing the available runway length and snow conditions. Factors relating to the accident were the snow bank and the pilot in command's lack of familiarity with skiplane operations.NTSB SEA92LA211Accident · Minor injuriesLimited investigationFinal reportBeech A36 · Blakely Island, WAThe removal of the control gust lock was not performed. Factors to the accident were: inadequate preflight, the checklist was not used, and the control gust lock marking flag was gone due to previous damage.NTSB CHI92LA285Accident · No injuriesLimited investigationFinal reportCessna 177B · Norcross, MNThe pilot's premature liftoff which resulted in inadequate airspeed for takeoff. Factors related to the accident were the crosswind conditions, the pilot's inadequate compensation for the crosswind, and the pilot's total lack of experience.NTSB MIA92LA182Accident · No injuriesLimited investigationFinal reportAyres S2R-600 · Belzoni, MSCollapse of the right main landing gear tire due to undetermined reasons.NTSB ANC92LA169Accident · No injuriesLimited investigationFinal reportCessna 206 · Chena Marina, AKPilot in commands's poor preflight planning/preparation. Factors contributing to the accident were: lack of understanding of aircraft takeoff performance, lack of recency of PIC experience in type of operation, loss of aircraft performance takeoff…NTSB ANC92LA177Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · North Pole, AKPilot's decision to attempt takeoff without removing snow from aircraft surfaces. Factor related to the accident was the snow contaminated wing and other flight surfaces.NTSB CHI92DTG05Accident · Minor injuriesFinal reportAir Tractor AT-301 · Alice, NDComplete loss of engine power as a result of the partial failure of four pistons.NTSB CHI92LA271Accident · No injuriesLimited investigationFinal reportCessna 152 · Scotland, INThe pilot's delay in aborting a takeoff attempt after failing to attain flying speed during a takeoff ground run.NTSB ATL92LA178Accident · Minor injuriesLimited investigationFinal reportCessna 172M · Boone, NCThe pilot's failure to abort the take off, and his abrupt pull up with insufficient airspeed to continue flight. Factors were the inadequate airspeed and the inadvertent stall.NTSB BFO92LA128Accident · No injuriesLimited investigationFinal reportCessna 172 · Groveport, OHThe pilot's inadequate preflight planning by selecting unsuitable soft terrain which resulted in a nose over during an aborted takeoff.NTSB LAX92LA378Accident · No injuriesLimited investigationFinal reportTexas Helicopter OH-13E/M74 · Chandler, AZThe pilot's misjudging the performance and weight and balance data of the helicopter prior to departure. Contributing to the accident was a failure of the pilot to jettison the chemical load.NTSB ATL92LA177Accident · No injuriesLimited investigationFinal reportAir Command Commander · Mars Hill, NCThe pilot's premature rotation before sufficient rotor speed had been attained to support flight. A factor was the rough sod airstrip.NTSB BFO92LA122Accident · No injuriesLimited investigationFinal reportCessna 185 · Dover Foxcroft, MEInadequate servicing of the aircraft which resulted in the lack of hydraulic fluid and the consequent loss of brake presure.NTSB ANC92FA148Accident · No injuriesField investigationFinal reportPiper PA-18 · Anchorage, AKMisjudgment by the pilot to insure adequate distance from objects in the takeoff area, which resulted in damage to the main landing gear on takeoff, and the uncontrolled ground loop by the pilot during a landing with the damaged landing gear. Factors related…NTSB NYC92LA182Accident · No injuriesLimited investigationFinal reportCessna 172H · New Cumberland, WVThe pilot's improper takeoff procedures and his lack of understanding of airplane performance which resulted in an aborted takeoff with insufficient runway to stop and the subsequent collision with a fence. Factors related to the accident were; the pilot's…NTSB ANC92LA139Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Iliamna, AKThe pilot's improper preflight planning/preparation, his improper compensation for wind conditions, and his failure to maintain directional control during the takeoff run. Contributing to the accident was the crosswind.NTSB CHI92LA248Accident · No injuriesLimited investigationFinal reportPiper PA-38-112 · Lincoln, ILA premature liftoff and failure to maintain directional control during a takeoff ground run by the pilot in command. A delay in taking remedial action by the designated pilot examiner is an additional cause.NTSB FTW92LA214Accident · No injuriesLimited investigationFinal reportCessna A185F · Amelia, LAThe pilot's selection of unsuitable terrain for takeoff.NTSB CHI92LA247Accident · No injuriesLimited investigationFinal reportCessna 152 · Houghton Lake, MIA premature lift-off.NTSB FTW92IA208Incident · No injuriesIncident investigationFinal reportMcdonnell Douglas MD-88 · Dfw Airport, TXThe loss of engine power due to the fracture of a fan blade resulting from a manufacturing defect.NTSB FTW92DRD06Accident · No injuriesFinal reportCessna A188B · Mathew, LAThe pilot's failure to maintain directional control of the aircraft. A factor was the pilot's lack of experience in the type operation.NTSB CHI92LA242Accident · No injuriesLimited investigationFinal reportCessna 182R · Litchfield, MIThe pilot-in-command's failure to use all available runway and his not aborting the takeoff when the wing contacted the corn. A factor was the corn along side the runway.NTSB SEA92LA183Accident · No injuriesLimited investigationFinal reportJohn S. Holzemer Rotorway Exec · Kirkland, WACyclic control movement was restricted. A factor to the accident was: directional control was not possible.NTSB NYC92LA156Accident · No injuriesLimited investigationFinal reportCessna 152 · Plainville, CTFailure of the pilot to maintain directional control, which resulted in an inadvertent ground swerve. The embankment beside the runway was a related factor.NTSB ANC92LA125Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-180 · Iliamna, AKThe pilot's failure to abort the takeoff. Contributing to the accident was the rough/uneven terrain.NTSB LAX92LA340Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Tolleson, AZThe pilot's selection of unsuitable terrain for takeoff. Contributing to this accident was the ravine that crossed the runway.NTSB ANC92LA120Accident · No injuriesLimited investigationFinal reportCessna A185F · Ketchikan, AKThe pilot in command/instructor pilot failed to maintain directional control of the airplane during the ground run.