NTSB investigations, 1992
542 cases where the phase of flight was Enroute.
Cases per year
| 1962 | 18 |
|---|---|
| 1963 | 28 |
| 1964 | 703 |
| 1965 | 750 |
| 1966 | 856 |
| 1967 | 893 |
| 1968 | 881 |
| 1969 | 995 |
| 1970 | 996 |
| 1971 | 941 |
| 1972 | 894 |
| 1973 | 935 |
| 1974 | 968 |
| 1975 | 977 |
| 1976 | 927 |
| 1977 | 936 |
| 1978 | 1,018 |
| 1979 | 968 |
| 1980 | 873 |
| 1981 | 881 |
| 1982 | 786 |
| 1983 | 734 |
| 1984 | 747 |
| 1985 | 704 |
| 1986 | 693 |
| 1987 | 616 |
| 1988 | 656 |
| 1989 | 590 |
| 1990 | 548 |
| 1991 | 574 |
| 1992 | 542 |
| 1993 | 533 |
| 1994 | 498 |
| 1995 | 506 |
| 1996 | 511 |
| 1997 | 466 |
| 1998 | 467 |
| 1999 | 452 |
| 2000 | 451 |
| 2001 | 396 |
| 2002 | 407 |
| 2003 | 415 |
| 2004 | 380 |
| 2005 | 390 |
| 2006 | 325 |
| 2007 | 353 |
| 2008 | 256 |
| 2009 | 309 |
| 2010 | 269 |
| 2011 | 287 |
| 2012 | 309 |
| 2013 | 280 |
| 2014 | 258 |
| 2015 | 295 |
| 2016 | 324 |
| 2017 | 275 |
| 2018 | 340 |
| 2019 | 348 |
| 2020 | 248 |
| 2021 | 323 |
| 2022 | 312 |
| 2023 | 322 |
| 2024 | 368 |
| 2025 | 348 |
| 2026 | 234 |
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 = 400)
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 = 400)
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 LAX93FA086Accident · 2 fatalField investigationFinal reportRockwell 690B · Herlong, CAAn inadvertent encounter with severe turbulence which exceeded the design strength of the airplane's structure.NTSB ATL93LA044Accident · No injuriesLimited investigationFinal reportCessna 182A · New Ellenton, SCInadequate preflight planning and preparation by the pilot, by not assuring an adequate supply of fuel, which resulted in fuel exhaustion. Factors were trees in the emergency landing area.NTSB DEN93LA018Accident · No injuriesLimited investigationFinal reportCessna 172E · Ramah, COA total loss of engine power due to mechanical failure of the number one connecting rod. A factor was: a forced landing onto unsuitable terrain.NTSB SEA93FA046Accident · 1 fatalField investigationFinal reportAero Commander 680FL · Lester, WAUndetermined.NTSB FTW93FA055Accident · 2 fatalField investigationFinal reportMooney M20C · Deridder, LAThe pilot's loss of control of the airplane in IMC. A factor was his lack of recent instrument flight experience.NTSB MIA93FA035Accident · Serious injuriesField investigationFinal reportCessna 310D · Miami, FLImproper installation of the right outboard torque tube in the right fuel selector valve assembly housing resulting in a total loss of engine power due to fuel starvation.NTSB LAX93LA074Accident · Minor injuriesLimited investigationFinal reportPiper PA-22-20 · Florence, AZThe pilot's poorly planned approach; his failure to attain the proper touch down point; and, delay in executing a go-around. Contributing to this accident was the partial loss of power for undetermined reasons.NTSB DEN93FA017Accident · 1 fatalField investigationFinal reportRockwell 690C · Golden, COThe pilot flying the aircraft beyond the design maneuvering speed and exceeding the design stress limits. A factor was: clear air turbulence.NTSB SEA93LA043Accident · Minor injuriesLimited investigationFinal reportCessna 150K · Moran Junction, WYThe pilot in command's attempting flight into known adverse weather conditions and his subsequent inability to maintain altitude. Factors contributing to the accident were icing conditions and trees.NTSB LAX93LA071Accident · No injuriesLimited investigationFinal reportHughes 369D · Hilo, HIThe bearing failures due to the operator's use of improper maintenance inspection and overhaul procedures by installing an unserviceable compressor module in the helicopter engine. Factors in the accident were the unsuitable nature of the terrain for the…NTSB ATL93LA040Accident · No injuriesLimited investigationFinal reportShaw Velocity HXB · Savannah, GAThe disengagement of the idler gear, which interrupted fuel pump operation, and resulted in the total loss of engine power. Factors were the lack of suitable terrain and the water.NTSB CHI93DET01Accident · No injuriesFinal reportCarlson Sparrow II · Lafontaine, INFuel starvation due to a blocked fuel line which was caused by improper gasket sealing compound.NTSB SEA93LA044Accident · No injuriesLimited investigationFinal reportCessna 414A · Rexburg, IDThe pilot did not select the remaining fuel supply. Factors include a deteriorated fuel selector valve.NTSB NYC93LA048Accident · No injuriesLimited investigationFinal reportCessna 182 · Readington, NJThe pilot's improper use of carburetor heat which resulted in the formation of carburetor ice.NTSB MIA93FA031Accident · 5 fatalField investigationFinal reportBeech 65 · Orlando, FLThe pilot's failure to feather the propeller to maintain altitude following a loss of power of the left engine. The power loss was due to an improperly maintained fuel system. In addition, the right engine lost power for an undetermined reason(s).NTSB CHI93FA054Accident · 2 fatalField investigationFinal reportPiper PA-24-180 · Gaylord, MIThe pilot-in-command exceeded the airplane's design stress limits.NTSB MIA93IA030Incident · Minor injuriesIncident investigationFinal reportBoeing 727-225A · Miami, FLThe failure of the window pane for undetermined reasons.NTSB LAX93FA068Accident · 3 fatalField investigationFinal reportCessna 172M · Laie, HIThe pilot's inadvertent flight into a mountainous area where he lost visual reference to illuminated ground features which resulted in his becoming disoriented. Factors which contributed to the accident were: 1) the dark sky and low cloud conditions; 2) the…NTSB CHI93FA053Accident · 1 fatalField investigationFinal reportPiper PA-30 · Bowman, NDThe non instrument rated private pilot's failure to maintain adequate terrain clearance after inadvertent VFR flight into instrument meteorological conditions.NTSB LAX93FA066Accident · 2 fatalField investigationFinal reportPiper PA-31P · Oceanside, CAThe airplane colliding with the ocean due to unknown reason (s).NTSB SEA93LA038Accident · No injuriesLimited investigationFinal reportBellanca 7GCBC · Arco, IDA leaking crankshaft oil seal, and snow on the landing area.NTSB SEA93FA035Accident · 2 fatalField investigationFinal reportCessna 421C · Wilsonville, ORThe pilot-in-command's failure to maintain control of the aircraft.NTSB FTW93LA050Accident · Serious injuriesLimited investigationFinal reportCessna 150 · Norman, OKThe pilot's failure to refuel the airplane and power loss due to fuel exhaustion. Factors were the dark night and lack of suitable terrain.NTSB FTW93FA051Accident · 1 fatalField investigationFinal reportHiller FH-1100 · Forney, TXThe pilot's failure to maintain control of the helicopter as a result of his physical impairment due to alcohol. Factors contributing to the accident were: the dark night and the pilot's likely diversion of his attention from operating the helicopter.NTSB DEN93FA015Accident · No injuriesField investigationFinal reportDouglas DC-8-52 · Denver, COAn encounter with severe clear air turbulence.NTSB CHI93FA050Accident · 1 fatalField investigationFinal reportCessna 177B · Kansas City, MOThe pilot-in-command's failure to maintain a positive rate of climb during a missed approach. Factors which contributed to the accident were: inoperative gyro instruments due to a broken vacuum pump, the dark night, adverse weather conditions, and rising…NTSB CHI93LA049Accident · No injuriesLimited investigationFinal reportCessna 150F · Oshtemo, MIImproper use of carburetor heat by the pilot-in-command.NTSB ATL93FA031Accident · 6 fatalField investigationFinal reportBeech 95-B55B · Calera, ALThe pilot's continued flight with the fuel tank selector handles improperly positioned, which resulted in fuel starvation and engine stoppage. Factors were the cloudy weather conditions, the night lighting conditions, and the steep, hilly terrain conditions…NTSB LAX93LA062Accident · Minor injuriesLimited investigationFinal reportHughes 369C · Kamuela, HIThe inadequate 100-hour inspection performed by company maintenance personnel. Factors contributing to this accident are the fuel control exceeding the manufacturers' service limits; the inoperative fuel filter; the overtemperature of the gas generator…NTSB LAX93LA058Accident · No injuriesLimited investigationFinal reportRobinson R-22 Beta · Fresno, CAThe pilot's inadequate preflight. Contributing to this accident was the separation of the fuel cap, tail rotor blade balance weight, tail rotor gear box, and the vertical fin.NTSB MIA93FA025Accident · 1 fatalField investigationFinal reportCessna 152 · Ocala, FLThe pilot-in-command becoming lost and disoriented and his failure to maintain altitude.NTSB CHI93GA046Accident · 2 fatalFinal reportSchweizer 269C · Kansas City, MOThe pilot-in-command's misjudging the distance during the autorotation.NTSB LAX93FA055Accident · 5 fatalField investigationFinal reportCessna T210M · Thornton, CAThe failure of the pilots of both airplanes to see and avoid each other. Contributing to the accident was the failure of the sacramento controller to advise the stockton controller of the impending unsafe situation, and the failure of the stockton controller…NTSB BFO93LA015Accident · No injuriesLimited investigationFinal reportMooney M20K · Orange, VAWater contamination in the fuel, and inadequate preflight inspection.NTSB LAX93LA056Accident · 2 fatalLimited investigationFinal reportCessna 182K · Flagstaff, AZThe pilot's continued flight into instrument meteorological conditions and improper remedial action by descending into high terrain. Contributing to this accident were the prevailing cloud condition.NTSB FTW93LA045Accident · No injuriesLimited investigationFinal reportCessna 172N · Tryon, OKPower loss due to fuel starvation and the pilots improper selection of the off position on the fuel selector. A factor was the lack of suitable terrain for the forced landing.NTSB ANC93LA016Accident · No injuriesLimited investigationFinal reportCessna 185 · Point Hope, AKThe failure of the no. two cylinder connecting rod due to a slipped (spun) main crankshaft bearing which blocked off the oil hole to the connecting rod. A factor in the accident was the unsuitable terrain on which to perform a forced landing.NTSB LAX93GA053Accident · No injuriesFinal reportCessna 404 · Tucson, AZThe pilot's inflight decision to deviate from the airplane's engine manual and the pilot's operating handbook by maintaining the fuel mixture at full rich throughout the mission and rapidly descending the airplane which resulted in both engine's losing total…NTSB FTW93LA042Accident · No injuriesLimited investigationFinal reportPiper PA-28-180 · New Orleans, LALoss of engine power due to fuel exhaustion. Factors were the inaccurate fuel consumption calculations and the unsuitable terrain.NTSB FTW93LA041Accident · Minor injuriesLimited investigationFinal reportCessna 172 · Hamlin, TXThe pilot's failure to switch fuel tanks and his failure to perform the prescribed emergency procedures following the fuel starvation induced engine failure. A factor was the lack of suitable terrain for the emergency landing.NTSB MIA93LA022Accident · Minor injuriesLimited investigationFinal reportMason, Jack A. Velocity · Crystal River, FLFailure of an unknown individual to determine that the propeller was properly secured after removal of the propeller spinner, resulting in separation of one of the propeller blades during cruise flight. Contributing to the accident was unsuitable terrain…NTSB CHI93LA041Accident · Serious injuriesLimited investigationFinal reportAero Commander 500-B · Mccook, NEThe pilot's improper decision to depart in known adverse weather conditions. The icing conditions and structural ice were factors.NTSB ATL93LA027Accident · No injuriesLimited investigationFinal reportMooney M20D · Darien, GAThe pilot's inadequate in-flight planning which resulted in fuel exhaustion. Factors were fog and the pilot's failure to use available en route weather sources.NTSB LAX93LA051Accident · Serious injuriesLimited investigationFinal reportCessna 421C · Santa Maria, CA1) The internal failure of the left engine, left magneto due to inadequate maintenance and non compliance with the manufacturers service bulletins and recommendations, and 2) the failure of the pilot to attain the proper touchdown point during the landing…NTSB SEA93FA026Accident · 6 fatalField investigationFinal reportBeech A60 · Snoqualmie Pass, WAFailure of the pilot to maintain control of the aircraft, his failure to prevent the aircraft from exceeding the never exceed speed (vne), and subsequent exceeding of the design stress limits of the aircraft. Factors related to the accident were: weather…NTSB LAX93FA046Accident · 2 fatalField investigationFinal reportCessna 172N · Tehachapi, CAThe pilot's decision to cruise at an altitude inadequate to ensure terrain clearance. Factors which contributed to the accident were: the pilot's failure to obtain a preflight weather briefing, the dark night, and likely instrument meteorological conditions.NTSB DEN93FA012Accident · 2 fatalField investigationFinal reportPiper PA-32RT-300T · Kersey, COInadvertent stall and loss of control due to structural icing. Factors were: icing conditions, and flight into known adverse weather.NTSB CHI93LA039Accident · No injuriesLimited investigationFinal reportPiper PA-28-151 · Manhattan, ILInadequate compensation for wind conditions by the pilot.NTSB ATL93FA026Accident · 2 fatalField investigationFinal reportPiper PA-28R-180 · Blairsville, GAThe pilot's decision to continue the flight into adverse weather conditions which resulted in the inflight collision with high terrain. Factors were high wind and rain.NTSB FTW93FA039Accident · 1 fatalField investigationFinal reportCessna 172M · Snook, TXThe pilot's intentional flight into instrument meteorological conditions as a result of his alcoholic and drug impairment of efficiency and judgement. Factors contributing to the accident were: the pilot's failure to obtain weather information, the dark night…