NTSB investigations, 1995
506 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 | 347 |
| 2026 | 231 |
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\") = 1995
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") = 1995
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 MIA96LA052Accident · Minor injuriesLimited investigationFinal reportMooney M20 · Eastover, SCinadequate overhaul procedures by maintenance personnel resulting in an oil pump failure and subsequent loss of engine power.NTSB LAX96LA090Accident · Serious injuriesLimited investigationFinal reportATR ATR 42-300 · Honolulu, HIthe flight attendant's decision to leave her seat in an area of forecast and known moderate turbulence. The turbulence was a related factor.NTSB BFO96LA035Accident · No injuriesLimited investigationFinal reportCessna 152 · Hudson, OHthe pilot's inadequate preflight planning/preparation, which resulted in fuel exhaustion and a loss of engine power due to an inadequate supply of fuel. Factors relating to the accident were: false fuel quantity indication from the left fuel quantity gauge,…NTSB NYC96LA044Accident · 1 fatalLimited investigationFinal reportCessna 182E · Pymatuning, PAthe pilot's intentional suicide.NTSB FTW96LA081Accident · No injuriesLimited investigationFinal reportRepublic RC 3 · Whitewright, TXThe separation of a spark plug and 4 other spark plugs being 'finger' tight as a result of undertorquing by maintenance personnel when they were reinstalled following inspection. A factor was a lack of suitable terrain for the forced landing.NTSB MIA96FA049Accident · Serious injuriesField investigationFinal reportPiper PA-46-310P · Ocala, FLoil starvation resulting in connecting rod failure in three of the six cylinders due to lack of lubrication. Contributing to the accident was the failure of the pilot to adhere to a ATC vector toward the nearest airport following engine failure which resulted…NTSB LAX96FA082Accident · No injuriesField investigationFinal reportCessna 152 · Long Beach, CAa partial power loss due to carburetor icing resulting from existing environmental conditions and the pilot's failure to apply carburetor heat during descent.NTSB FTW96LA078Accident · Serious injuriesLimited investigationFinal reportPiper PA-24-250 · Kaufman, TXThe loss of engine power due to a bent push rod and the resultant loss of oil. Factors were the cockpit smoke and the lack of suitable terrain for the forced landing.NTSB FTW96LA076Accident · No injuriesLimited investigationFinal reportCessna 150M · Round Rock, TXThe pilot's improper planning/decision, which resulted in fuel exhaustion, due to an inadequate supply of fuel. A factor relating to the accident was: the lack of suitable terrain for the forced landing.NTSB LAX96FA249Accident · 1 fatalField investigationFinal reportPiper PA-24-250 · Death Valley, CAthe non-instrument rated pilot's intentional VFR flight into instrument meteorological conditions.NTSB FTW96FA073Accident · 6 fatalField investigationFinal reportCessna 421C · Cleveland, OKthe pilot's continued VFR flight into instrument meteorological conditions (IMC), and his failure to maintain control of the airplane after encountering adverse weather conditions, which resulted in a stall/spin. Factors relating to the accident were: pilot…NTSB CHI96LA060Accident · No injuriesLimited investigationFinal reportCessna T210N · Indianapolis, INthe failure of the turbocharger, caused by a unapproved rebuild of the turbocharger which contained automotive parts. Debris from the failed turbocharger damaged the oil pump resulting in lack of engine lubrication.NTSB BFO96FA032Accident · 3 fatalField investigationFinal reportCessna 310R · Bellville, OHthe pilot's in-flight loss of aircraft control for undetermined reason(s), which resulted in the airplane exceeding its design stress limitations and an in-flight breakup.NTSB SEA96FA031Accident · 1 fatalField investigationFinal reportCessna T210M · Netarts, ORa loss of control for undetermined reasons.NTSB MIA96LA044Accident · Minor injuriesLimited investigationFinal reportCessna 172N · Bryceville, FLThe pilot's improper planning/decision. Factors relating to the accident were: the pilot's inaccurate evaluation of the weather conditions, the pilot becoming lost/disoriented, and the lack of braking action on wet grass during the precautionary landing.NTSB NYC96LA041Accident · No injuriesLimited investigationFinal reportCessna U206G · Bangor, MEthe pilot's improper inflight planning/decision, and his failure to properly plan his approach for landing, so that the airplane would not stall or touchdown hard. Factors relating to the accident were: the adverse weather (icing) condition, the accumulation…NTSB MIA96LA045Accident · No injuriesLimited investigationFinal reportLet L-23 · Jacksonville, FLThe pilot's failure to properly plan the flight.NTSB SEA96FA029Accident · 1 fatalField investigationFinal reportCessna 340A · Mead, WAthe pilot's failure to maintain terrain clearance in mountainous terrain. Factors contributing to the accident were: dark night conditions, mountainous terrain, and instrument meteorological conditions.NTSB CHI96LA051Accident · No injuriesLimited investigationFinal reportCessna 182 · Tamms, ILfuel exhaustion due to inadequate maintenance performed on the fuel cap by the maintenance personnel, fuel siphoning out of the left fuel cap, and the failure of the pilot to properly monitor his fuel consumption.NTSB ATL96FA022Accident · 1 fatalField investigationFinal reportPiper PA-46-310P · Greenwood, SCthe loss of engine power for undetermined reason.NTSB ATL96FA021Accident · 2 fatalField investigationFinal reportMooney M20J · Bay Minette, ALfailure of the alternate air door, which resulted in blockage of air through the induction system. A factor relating to the accident was: failure to comply with Safety Bulletin SB-M20-253.NTSB CHI96FA052Accident · Serious injuriesField investigationFinal reportPiper PA-23-250 · Steuben, WIfailure of the pilot to select alternate air. Darkness and snowy weather conditions were related factors.NTSB CHI96FA049Accident · 1 fatalField investigationFinal reportPiper PA-32R-301T · Parker, KSthe pilot's impairment of judgment and performance due to a drug (cocaine); his improper in-flight decision to continue flight over an overcast condition and then to descend into instrument meteorological conditions (IMC); his failure to maintain control of…NTSB FTW96FA063Accident · 2 fatalField investigationFinal reportBalloon Works Firefly 7-15 · Oklahoma City, OKThe pilot's failure to maintain obstacle clearance during low altitude straight and level flight.NTSB CHI96FA048Accident · 1 fatalField investigationFinal reportPiper PA-23-250 · Laupahoehoe, HIthe pilot falling asleep at the controls due to fatigue. Factors were: the pilot's inadequate preflight preparation and the dark night.NTSB FTW96FA062Accident · 3 fatalField investigationFinal reportCessna 182G · Caddo Mills, TXThe failure of the pilot-in-command in each airplane to see-and-avoid conflicting traffic (inadequate visual lookout). The localized haze and smoke were related factors.NTSB ATL96LA019Accident · Serious injuriesLimited investigationFinal reportPiper PA-28-180 · Athens, GAThe mechanic's failure to adequately inspect and repair the engine, which resulted in engine oil contamination, and the subsequent loss of engine power. A factor was the low ceiling.NTSB BFO96LA029Accident · 1 fatalLimited investigationFinal reportCessna 150K · Seville, OHpilot suicide (intentional in-flight collision with terrain).NTSB NYC96LA034Accident · Serious injuriesLimited investigationFinal reportPiper PA-28-140 · Somerset, PAthe pilot's improper planning/decision and use of unsuitable terrain for a precautionary landing, which resulted in a collision with an embankment and subsequent nose over of the airplane. Factors relating to the accident were: the adverse weather conditions,…NTSB FTW96LA061Accident · Minor injuriesLimited investigationFinal reportCessna 182Q · Eads, COFailure of the engine connecting rod bolts and separation of the cylinder from the crankcase. Factors were the lack of suitable terrain for the forced landing, and reduced light conditions (dark night).NTSB ATL96LA031Accident · No injuriesLimited investigationFinal reportCessna 150M · Beaufort, SCAn inadequate preflight which resulted in water contamination in the fuel system and the subsequent loss of engine power. The tree stump was a factor.NTSB ATL96LA016Accident · Minor injuriesLimited investigationFinal reportBellanca 8KCAB · Alexander City, ALThe leaking fuel injector, which created a rich mixture, and caused the aircraft engine to lose power.NTSB LAX96IA065Incident · No injuriesIncident investigationFinal reportBeech 99 · Salt Lake City, UTimproper installation of the rudder control cable by company maintenance personnel, which resulted in chafing and/or fatigue and subsequent failure of the cable.NTSB LAX96LA059Accident · No injuriesLimited investigationFinal reportCessna TU206G · Eagar, AZthe pilot's failure to assure an adequate amount of fuel was on board for the flight.NTSB NYC96FA192Accident · 1 fatalField investigationFinal reportCessna 414 · Marlinton, WVThe pilot's continued VFR flight into obscured, rising mountainous terrain, and his failure to climb the airplane as conditions worsened. Factors included the rising terrain and the weather obscuration.NTSB LAX96LA058Accident · No injuriesLimited investigationFinal reportCessna 152 · Hayward, CAloss of engine power for an undetermined reason.NTSB NYC96LA028Accident · Serious injuriesLimited investigationFinal reportStinson 108-2 · Southbridge, MAfatigue failure of the engine crankshaft.NTSB CHI96LA039Accident · Serious injuriesLimited investigationFinal reportCessna 172 · Stevens Point, WIflying into known icing conditions and descending below the minimum descent altitude.NTSB ATL96LA015Accident · No injuriesLimited investigationFinal reportCessna 172E · Lajas, PRthe student pilot's inadequate preflight inspection which resulted in a loss of power due to water in the fuel.NTSB SEA96LA026Accident · Serious injuriesLimited investigationFinal reportBoeing 737-522 · Portland, ORAn unexpected encounter with unforecast moderate high level windshear and turbulence as the flight attendant was performing his duties during descent.NTSB LAX96LA054Accident · Minor injuriesLimited investigationFinal reportCessna 150E · Sonora, CAcarburetor icing, due to the pilot's improper use of power plant controls and/or carburetor heat. A factor relating to the accident was: the weather condition, which was conducive to carburetor ice.NTSB CHI96LA041Accident · No injuriesLimited investigationFinal reportMcclung SEA Hawk · Marengo, ILthe failure of the upper right wing due to the presence of unbonded areas between the spar cap and the bidirectional fiberglass. The unbonded areas were due to the inadequate manufacturing of the airplane by the owner/builder. A factor in the accident was the…NTSB FTW96LA053Accident · No injuriesLimited investigationFinal reportCessna 182H · Eagle Lake, TXa loss of engine power for undetermined reasons. Factors were the lack of suitable terrain for the forced landing and the dark night.NTSB CHI96FA038Accident · 4 fatalField investigationFinal reportPiper PA-28-201T · Belvidere, SDthe pilot's attempted visual flight into instrument meteorological conditions, his failure to maintain control of the airplane, and exceeding the design stress limits of the airplane. Factors in the accident were: the snow and fog, and the aft airplane center…NTSB MIA96LA027Accident · No injuriesLimited investigationFinal reportPiper PA-23-150 · Ocala, FLThe failure of the pilot-in-command (CFI) of the Cessna, N210PW, to see and avoid the Piper, N2114P.NTSB FTW96LA050Accident · Minor injuriesLimited investigationFinal reportBeech M35 · Estancia, NMimproper maintenance and inspection of the engine, ingestion of an air intake bypass door into the engine intake, detonation (or preignition), and failure of the #1 and #2 piston and connecting rod assemblies. A factor relating to the accident was: the lack…NTSB CHI96LA035Accident · No injuriesLimited investigationFinal reportPzl-Mielec M-18A · Montrose, MIa loss of engine power as a result of the separation of the throttle push-pull cable.NTSB ATL96LA013Accident · No injuriesLimited investigationFinal reportFleet ONE · Holly Springs, NCa loss of engine power due to a cracked crankshaft. A factor was the rough/uneven terrain encountered during the forced landing.NTSB FTW96FA046Accident · 1 fatalField investigationFinal reportMaule M-5-210C · Cypress, TXThe pilot's failure to maintain aircraft control while flying in instrument meteorological conditions. Factors were the weather, and the failure of the airplane's vacuum pump which rendered the attitude indicator and the directional gyro inoperative.NTSB ANC96LA017Accident · No injuriesLimited investigationFinal reportCessna 207 · Aniak, AKfatigue failure of the engine crankshaft at the number 2 main bearing journal, where rubbing contact had occurred with the number 2 main bearing. A factor relating to the accident was: the lack of suitable terrain for an emergency landing.