NTSB investigations, 2011
194 cases where the phase of flight was Approach.
Cases per year
| 1962 | 14 |
|---|---|
| 1963 | 10 |
| 1964 | 530 |
| 1965 | 502 |
| 1966 | 600 |
| 1967 | 640 |
| 1968 | 597 |
| 1969 | 572 |
| 1970 | 583 |
| 1971 | 550 |
| 1972 | 522 |
| 1973 | 543 |
| 1974 | 541 |
| 1975 | 530 |
| 1976 | 504 |
| 1977 | 586 |
| 1978 | 567 |
| 1979 | 541 |
| 1980 | 508 |
| 1981 | 473 |
| 1982 | 433 |
| 1983 | 445 |
| 1984 | 433 |
| 1985 | 408 |
| 1986 | 382 |
| 1987 | 327 |
| 1988 | 342 |
| 1989 | 324 |
| 1990 | 334 |
| 1991 | 308 |
| 1992 | 291 |
| 1993 | 276 |
| 1994 | 251 |
| 1995 | 301 |
| 1996 | 272 |
| 1997 | 261 |
| 1998 | 238 |
| 1999 | 244 |
| 2000 | 256 |
| 2001 | 230 |
| 2002 | 232 |
| 2003 | 236 |
| 2004 | 216 |
| 2005 | 229 |
| 2006 | 225 |
| 2007 | 258 |
| 2008 | 211 |
| 2009 | 190 |
| 2010 | 176 |
| 2011 | 194 |
| 2012 | 181 |
| 2013 | 189 |
| 2014 | 178 |
| 2015 | 158 |
| 2016 | 160 |
| 2017 | 191 |
| 2018 | 172 |
| 2019 | 163 |
| 2020 | 156 |
| 2021 | 178 |
| 2022 | 204 |
| 2023 | 186 |
| 2024 | 163 |
| 2025 | 186 |
| 2026 | 88 |
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\") = 2011
AND c.\"mKey\" IN (SELECT case_mkey FROM case_phases WHERE main = 500)
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") = 2011
AND c."mKey" IN (SELECT case_mkey FROM case_phases WHERE main = 500)
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 CEN12LA127Accident · No injuriesLimited investigationFinal reportFleet Fleet 16B · Marion, TXA total loss of engine power due to fuel starvation as a result of a piece of metal in the fuel line, which blocked fuel flow to the engine.NTSB CEN12LA116Accident · Serious injuriesLimited investigationFinal reportPiper PA-28-180 · Lebanon, OHThe pilot’s inadvertent positioning of the fuel selector valve between the right tank and OFF position, which resulted in fuel starvation and a total loss of engine power. Contributing to the accident was the inadequate inspection of the fuel valve and…NTSB ERA12FA123Accident · 1 fatalField investigationFinal reportAero Commander 560-F · Venice, FLThe pilot’s failure to maintain adequate airspeed during a single-engine approach, which resulted in an aerodynamic stall. Contributing to the accident was the total loss of power in the left engine due to a failed No. 2 connecting rod bearing.NTSB CEN12FA115Accident · 3 fatalField investigationFinal reportBeech 19A · McArthur, OHThe pilot’s failure to maintain airplane control during an attempted go-around.NTSB ERA12FA120Accident · 1 fatalField investigationFinal reportCessna 441 · Nashville, PAThe pilot's failure to maintain minimum control airspeed after a loss of power to the right engine, which resulted in an uncontrollable roll into an inadvertent stall/spin. Contributing to the accident was the failure of the airplane's right engine for…NTSB ANC12CA016Accident · Minor injuriesData collectionFinal reportCessna 207A · Kwigillingok, AKThe pilot’s decision to continue visual flight into instrument meteorological conditions with moderate icing, which resulted in structural icing and an aerodynamic stall.NTSB DCA12CA023Accident · No injuriesData collectionFinal reportUniversity Of Kansas Meridian · McMurdo, AYan aerodynamic stall induced by an inadvertent autopilot Home command. The Home command was entered following a loss of the direct radio link due to improperly set failsafe settings, and an unintentional latching of Home mode from an earlier functionality…NTSB WPR12FA067Accident · 1 fatalField investigationFinal reportCirrus Design SR22 · Phoenix, AZThe pilot's failure to maintain adequate separation behind a corporate jet, which resulted in an encounter with wake turbulence and a subsequent loss of control.NTSB CEN12WA105Accident · 2 fatalForeign investigationCessna 177A · Ottawa, CanadaOn December 14, 2011, at 1920 eastern standard time, a Cessna model 177A, Canadian registration C-FEFQ, collided with terrain 2 nautical miles west of Ottawa Macdonald-Cartier International Airport (CYOW), Ottawa, Canada. The flight had been cleared for the…NTSB CEN12LA110Accident · No injuriesLimited investigationFinal reportBeech 95-B55 · Midland, TXThe pilot’s improper fuel management during the flight, which resulted in a total loss of engine power.NTSB CEN12LA102Accident · No injuriesLimited investigationFinal reportShook Rans S-12 · Festus, MOThe certified flight instructor’s delayed remedial action as the airplane neared an aerodynamic stall/spin. Contributing to the accident was that the student pilot did not maintain adequate airspeed during the go-around attempt.NTSB WPR12LA055Accident · No injuriesLimited investigationFinal reportPiper PA-38-112 · Davis, CAThe pilot's inadequate fuel management, which resulted in a loss of engine power due to fuel starvation.NTSB ERA12IA158Incident · No injuriesIncident investigationFinal reportCirrus Design SR20 · Jacksonville, FLThe failure of a crankshaft gear tooth due to fatigue, which resulted in the loss of several additional gear teeth and a subsequent total loss of engine power.NTSB ERA12CA096Accident · Serious injuriesData collectionFinal reportThompson Tommy W Loehle P5151 · Courtland, ALThe airplane's inadvertent encounter with excessive windshear while on the downwind traffic pattern leg at low altitude, which resulted in the pilot's inability to arrest the airplane’s descent. Contributing to the accident was the pilot's decision to fly the…NTSB CEN12LA095Accident · Serious injuriesLimited investigationFinal reportBeech F90 · Midland, TXThe pilot's failure to maintain the recommended airspeed for icing conditions and his subsequent loss of airplane control while flying the airplane under autopilot control in severe icing conditions, contrary to the airplane's handbook. Contributing to the…NTSB WPR12LA057Accident · Serious injuriesLimited investigationFinal reportBoeing 757-222 · Modesto, CAThe flight's encounter with known severe turbulence associated with mountain wave activity, which resulted in a flight attendant sustaining a broken ankle.NTSB ERA12FA093Accident · 1 fatalField investigationFinal reportWing John R Wittman Tailwind · Fulton, NYThe pilot's failure to maintain adequate airspeed, which resulted in an aerodynamic stall. Contributing to the accident was a partial loss of engine power due to the formation of carburetor ice.NTSB CEN12LA094Accident · No injuriesLimited investigationFinal reportCessna 305A · Fredericksburg, TXThe pilot's inadequate preflight inspection, which resulted in a subsequent loss of engine power due to fuel starvation.NTSB ERA12IA090Incident · No injuriesIncident investigationFinal reportCessna 402B · Nantucket, MAThe failure of the right main fuel tank transfer pump, which resulted in a total loss of engine power on the right engine during approach due to fuel starvation, and a subsequent hard landing. Contributing to the incident was the pilot's operation of the…NTSB CEN12FA086Accident · 3 fatalField investigationFinal reportPiper PA-31-350 · Riverwoods, ILThe pilot's inadequate preflight planning and in-flight decision-making, which resulted in a loss of engine power due to fuel exhaustion during approach. Contributing to the accident was the pilot's decision to operate an airplane after using illicit drugs.NTSB ERA12CA082Accident · No injuriesData collectionFinal reportCirrus Design SR20 · Brooksville, FLThe pilot's incorrect identification of the runway, which resulted in an off-airport landing and subsequent collision with objects.NTSB CEN12LA077Accident · No injuriesLimited investigationFinal reportCessna 152 · Princeton, MNThe inadequate installation of the threaded insert in the No. 2 cylinder spark plug hole by maintenance personnel, which resulted in a loss of engine power during initial climb.NTSB CEN12CA085Accident · Minor injuriesData collectionFinal reportGrumman American AA-5A · Bulverde, TXThe pilot's improper glidepath while on final approach.NTSB ERA12WA089Accident · 2 fatalForeign investigationPiper PA-28-236 · Mercedes, ArgentinaOn November 21, 2011, about 1320 coordinated universal time, a Piper PA-28-236, Argentine Air Force designation PF-449, and a Cessna 152, Argentine registration LV-OOF, collided while on approach to Mercedes Airfield (MRD), Mercedes, Buenos Aires Province,…NTSB ERA12CA080Accident · Serious injuriesData collectionFinal reportBeech V35 · Lusby, MDThe pilot did not maintain clearance from trees during a night approach.NTSB WPR12FA040Accident · 1 fatalField investigationFinal reportCessna T337 · Casper, WYThe pilot's failure to maintain airspeed and airplane control while maneuvering in low visibility and icing conditions.NTSB CEN12LA061Accident · Serious injuriesLimited investigationFinal reportCessna 401A · Gladewater, TXThe pilot’s failure to maintain control of the airplane during the landing and attempted go-around in a gusty crosswind.NTSB CEN12WA092Accident · 1 fatalForeign investigationSocata TBM 700 · Lyon, FranceNTSB OPS12IA122Incident · No injuriesIncident investigationFinal reportKahului, HIFailure of the Honolulu Control Facility controller to issue control instructions necessary to establish and maintain required separation between all three aircraft. Contributing to the losses of separation was inadequate training provided to controllers…NTSB ERA12LA058Accident · Minor injuriesLimited investigationFinal reportCessna 172N · Pompano Beach, FLThe separation of the throttle cable from its fitting, which resulted in an inability to control engine power. Contributing to the accident was the inadequate maintenance by the owner.NTSB ERA12CA054Accident · Serious injuriesData collectionFinal reportAeros Trike · Amherst, VAThe student pilot's inadequate aircraft control and improper airspeed while maneuvering to land, which resulted in a stall. Contributing to the accident was the pilot's lack of experience in the make and model of the accident aircraft.NTSB ERA12CA053Accident · Serious injuriesData collectionFinal reportCessna 172F · Smoketown, PAThe pilot did not maintain a proper approach path, which resulted in a collision with a tree.NTSB ERA12FA021Accident · 1 fatalField investigationFinal reportElkind Bruce Cozy MK IV · Lexington, NCThe pilot's inadequate fuel management, which resulted in a total loss of engine power due to fuel starvation.NTSB ERA12CA019Accident · Minor injuriesData collectionFinal reportAeronca 7AC · Manassas, VAThe pilot did not maintain adequate airspeed while turning to the downwind leg, which resulted in an aerodynamic stall and spin.NTSB WPR12LA015Accident · Minor injuriesLimited investigationFinal reportPiper PA46R · Paso Robles, CAA loss of engine power while maneuvering for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.NTSB ERA12CA042Accident · Minor injuriesData collectionFinal reportMoyes Bailey Dragonfly · Massey, MDThe pilot did not maintain airspeed during approach to landing, which resulted in an aerodynamic stall.NTSB ERA12FA030Accident · 1 fatalField investigationFinal reportCirrus Design SR22 · Danbury, CTThe pilot did not maintain clearance from a lighted tower during final approach in night visual conditions.NTSB ERA12CA043Accident · Minor injuriesData collectionFinal reportFehlner-Shelton Aerosport Scamp WTB1 · Grantham, NCThe pilot's inadequate clearance from unmarked power lines while on approach to land at a private airport.NTSB ERA12CA036Accident · Serious injuriesData collectionFinal reportCessna 172F · Atlanta, GAThe pilot's inadequate preflight planning, which resulted in a total loss of engine power due to fuel exhaustion.NTSB ERA12WA041Accident · Serious injuriesForeign investigationBell 412 · Santa Rosa, VenezuelaOn October 15, 2011, at 1933 UTC, a Bell 412SP, YV0126, registered to and operated by Electrificacion del Caroni (EDELCA), as a business flight, collided with trees while on approach to Macagua Airport, Santa Rosa, Venezuela. The Venezuelan Government…NTSB ERA12CA027Accident · No injuriesData collectionFinal reportIca Brasov IS-29D2 · Benton, TNThe pilot's improper in-flight planning, which resulted in a low-altitude traffic pattern entry and subsequent collision with telephone wires.NTSB ERA12FA023Accident · Minor injuriesField investigationFinal reportSocata TBM 700 · Hollywood, FLThe pilot’s failure to terminate the flight after observing multiple conflicting errors associated with the inaccurate right fuel quantity indication. Contributing to the accident were the total loss of engine power due to fuel starvation from the right tank,…NTSB CEN12CA016Accident · No injuriesData collectionFinal reportCessna 182A · Skiatook, OKA total loss of engine power due to fuel exhaustion as a result of the pilot’s improper fuel management.NTSB ERA12CA020Accident · No injuriesData collectionFinal reportCessna 177B · Honesdale, PAThe pilot’s excessive airspeed during final approach and his delayed decision to abort the landing, resulting in the in-flight collision with trees during the go-around.NTSB CEN12LA015Accident · No injuriesLimited investigationFinal reportCessna 150L · Vidalia, LAA total loss of engine power likely due to carburetor ice.NTSB CEN12FA010Accident · 1 fatalField investigationFinal reportBrinkerhuff Gerald G Q200 · Holland, MIThe pilot failed to maintain sufficient altitude during the landing approach, which resulted in the airplane contacting an approach light. Contributing to the accident was the setting sun, which most likely obscured the pilot’s vision.NTSB ERA12LA009Accident · No injuriesLimited investigationFinal reportCessna 150L · Punta Gorda, FLThe partial loss of engine power due to contamination of the fuel system that was not detected because of the pilot’s inadequate preflight inspection.NTSB ERA12FA007Accident · 1 fatalField investigationFinal reportCessna 207A · Matinicus Island, METhe pilot’s failure to maintain airplane control during the approach after encountering a gusty crosswind, which resulted in an accelerated stall and uncontrolled descent.NTSB ANC11FA107Accident · 1 fatalField investigationFinal reportDehavilland DHC-3T · Kodiak, AKThe pilot’s failure to maintain clearance from a tree during a low altitude maneuver and his failure to maintain control of the airplane. Contributing to the accident was the pilot’s use of over-the-counter sedating medications.NTSB CEN11FA663Accident · 1 fatalField investigationFinal reportThorp T-18 · Plainwell, MIThe pilot did not maintain clearance from a semitrailer along the approach path.