NTSB investigations, 1994
129 cases where the first occurrence was “Loss of engine power(total) - mech failure/malf”.
Cases per year
| 1982 | 175 |
|---|---|
| 1983 | 165 |
| 1984 | 138 |
| 1985 | 155 |
| 1986 | 126 |
| 1987 | 129 |
| 1988 | 160 |
| 1989 | 129 |
| 1990 | 123 |
| 1991 | 128 |
| 1992 | 133 |
| 1993 | 115 |
| 1994 | 129 |
| 1995 | 151 |
| 1996 | 119 |
| 1997 | 91 |
| 1998 | 78 |
| 1999 | 91 |
| 2000 | 92 |
| 2001 | 70 |
| 2002 | 54 |
| 2003 | 78 |
| 2004 | 63 |
| 2005 | 65 |
| 2006 | 62 |
| 2007 | 59 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "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\") = 1994
AND c.\"mKey\" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 351)
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.
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") = 1994 AND c."mKey" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 351) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
Run 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 FTW95LA072Accident · Minor injuriesLimited investigationFinal reportPiper PA-12 · La Porte, TXLoss of engine power due to fuel starvation as result of the failure of the glass bowl on the gascolator. A factor was the lack of suitable terrain at the pilot's disposal to execute a forced landing.NTSB FTW95LA065Accident · No injuriesLimited investigationFinal reportCommonwealth Rearwin 185 · Longmont, COOil exhaustion and subsequent engine seizure due to a missing oil drain plug. Factors were the inadequate maintenance and the lack of suitable terrain for a forced landing.NTSB SEA95LA028Accident · No injuriesLimited investigationFinal reportPiper PA-28-236 · Medicine Bow, WYThe failure of the magneto system due to shorting of both magneto coils to the magneto housing and the lack of suitable terrain to make a forced landing.NTSB ATL95LA025Accident · Minor injuriesLimited investigationFinal reportCessna 175A · Greenwood, SCUnapproved maintenance work done by uncertificated persons which resulted in a broken starter drive which was not properly removed from the engine. The particles sheared the magneto shafts causing the loss of engine power.NTSB SEA95LA027Accident · No injuriesLimited investigationFinal reportCessna 180 · Lonetree, WYThe restricted movement of the carburebor float.NTSB LAX95LA041Accident · Serious injuriesLimited investigationFinal reportBritten-Norman Islander BN2B-20 · Pacific Ocean (Pacific Ocean)An undetermined failure of the left engine. The inability of the airplane to maintain level flight and exceeding the one-engine capability was a factor in the accident.NTSB FTW95LA056Accident · No injuriesLimited investigationFinal reportBell 206B · Natchitoches, LAThe delayed flare and the improper touchdown by the pilot in command. Factors were the operation of the aircraft with known deficiencies by the operator and the pilot, delayed maintenance, and, an engine compressor assembly stall, combined with erosion and…NTSB CHI95LA048Accident · Minor injuriesLimited investigationFinal reportPiper PA-28R-201T · La Porte City, IAa material defect which resulted in the fatigue failure of the crankshaft and the aircraft owner's failure to comply with a Mandatory Service Bulletin addressing the defect. A factor related to the accident was the rough terrain on which the forced landing…NTSB CHI95LA047Accident · Minor injuriesLimited investigationFinal reportCessna P210N · Aurora, MOAn undetermined failure of the engine crankshaft resulting in total loss of engine power. The terrain at the emergency landing site and nighttime darkness were contributing factors.NTSB MIA95LA024Accident · Serious injuriesLimited investigationFinal reportAyres S2R-R1820 · Arcadia, FLFailure of the engine due to a undetermined failure in the engine power section.NTSB SEA95IA021Incident · No injuriesIncident investigationFinal reportFairchild SA227 · Missoula, MTThe fatigue failure of the first stage compressor impeller.NTSB CHI95LA042Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-180 · Carlock, ILThe total failure of the connecting rod bolts.NTSB NYC95LA023Accident · No injuriesLimited investigationFinal reportBeech 35-C33 · Coventry, RIimproper emergency procedures by the pilot and inadequate supervision by the flight instructor which resulted in their failure to restart the engine after it lost power due to a failed engine driven fuel pump.NTSB FTW95LA039Accident · No injuriesLimited investigationFinal reportHughes 269A · Monticello, ARThe loss of engine power due to a fatigued rod end bolt. A factor was the lack of suitable terrain for landing.NTSB CHI95LA032Accident · Minor injuriesLimited investigationFinal reportCessna 172 · Hudson, WIinadequate maintenance (major overhaul) by maintenance personnel which resulted in the total loss of engine power. Soft terrain was a related factor.NTSB LAX95LA019Accident · Minor injuriesLimited investigationFinal reportEurocopter AS-350D · Kaupo, HIa total loss of engine power by the corrosion fatigue failure of the compressor impeller due to the failure of company maintenance personnel to perform the prescribed daily compressor wash procedures and the inadequate maintenance inspections, which failed to…NTSB CHI95LA024Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Grand Forks, NDthe fatigue failure of the crankshaft.NTSB BFO95LA005Accident · Minor injuriesLimited investigationFinal reportS M A N Hydroplum Petrel · Center Village, OHLoss of engine power due to a malfunction of the fuel pump.NTSB NYC95LA028Accident · No injuriesLimited investigationFinal reportRans/Hine S-10 · Hampton, NHa seized piston in the foward cylinder due to a lean mixture.NTSB FTW95IA013Incident · No injuriesIncident investigationFinal reportGates Learjet 35A · San Antonio, TXThe uncontained failure of the turbine wheel. A factor was the resultant loss of hydraulic power.NTSB NYC95LA004Accident · No injuriesLimited investigationFinal reportCessna 182N · New London, NHthe failure of the number four push rod, which resulted in the complete loss of engine power and forced landing, and the subsequent nose over on soft terrain.NTSB CHI94LA351Accident · No injuriesLimited investigationFinal reportPiper PA-23-160 · West Chicago, ILthe pilot's failure to use the manual hydraulic pump to lower the landing gear. Factors were the failure of the fuel selector handle, the subsequent fuel starvation, and the pilot's failure to properly crossfeed and restart the left engine.NTSB ATL94LA180Accident · Minor injuriesLimited investigationFinal reportBell UH-1B · Ozark, ALThe failure of the engines' main bearings because of a lack of lubrication. A factor was the heavily wooded terrain.NTSB CHI94LA328Accident · No injuriesLimited investigationFinal reportMooney M20E · Plymouth, MIthe pilot's improper (maintenance) modification and his initiating an operation with known deficiencies in equipmentNTSB ATL94FA171Accident · 3 fatalField investigationFinal reportPiper PA-32R-300 · Glenville, NCThe fatigue failure of #4 intake valve. A factor was hilly terrain.NTSB NYC94LA174Accident · Minor injuriesLimited investigationFinal reportPiper PA-24-250 · North Anson, MEthe inadequately installed cylinder mounting stud nuts, by the engine overhaul facility, which resulted in the separation of the number two cylinder and the subsequent forced landing.NTSB NYC94LA172Accident · Serious injuriesLimited investigationFinal reportPiper PA-28R-201T · Lockwood, WVAn electrical ground short of the ignition wires which resulted in a loss of engine power.NTSB FTW94FA295Accident · 2 fatalField investigationFinal reportCessna 175 · Oklahoma City, OKImproper maintenance of the engine by unknown person(s), the installation of unapproved parts, and subsequent bearing seizure. The lack of suitable terrain in the forced landing area was a related factor.NTSB CHI94LA315Accident · Minor injuriesLimited investigationFinal reportMooney M20F · Hanston, KSThe failure of the number two connecting rod. Factors in the accident were the fouled windshield utility wires, the road sign, and the telephone pole.NTSB SEA94LA235Accident · Minor injuriesLimited investigationFinal reportCessna 172M · Coolin, IDThe failure of the engine manufacturer to properly remanufacture and adequately inspect the no. 1 rocker arm prior to its installation on the engine. This resulted in fatigue cracking of the rocker arm and a subsequent loss of engine power.NTSB NYC94LA170Accident · No injuriesLimited investigationFinal reportEagle DW-1 · Houlton, MEInadequate maintenance inspection which failed to detect internal corrosion of the magneto, resulting in ignition arcing and the loss of engine power.NTSB CHI94LA314Accident · No injuriesLimited investigationFinal reportCessna 188B · Oakdale, ILmisalignment of the number one connecting rod during major overhaul. Factors were the subsequent scoring and fatigue failure of the crankshaft.NTSB FTW94LA281Accident · No injuriesLimited investigationFinal reportWSK PZL Mielec M-18A Dromader · Wheatley, ARTotal loss of engine power due to a cracked cylinder. A factor was the lack of suitable terrain for the forced landing.NTSB CHI94LA302Accident · Minor injuriesLimited investigationFinal reportFrith Challenger II · Fairfield, IAthe total failure and separation of the propeller system drive belt. Obstacles (powerlines and pole) were a factor in the accident.NTSB ATL94LA165Accident · Minor injuriesLimited investigationFinal reportCessna 150J · Spruce Pine, NCA seized cylinder exhaust valve because of deposits on the valve and an oversized valve stem. The lack of suitable terrain for a forced landing was a factor.NTSB BFO94LA143Accident · No injuriesLimited investigationFinal reportCessna 172M · Vestal, NYLoss of engine power during an aborted landing due to the throttle cable separating from the carburetor.NTSB ATL94LA159Accident · Minor injuriesLimited investigationFinal reportPiper PA-25 · Columbia, NCThe failure of the aircraft carburetor that resulted in a total loss of engine power.NTSB ATL94LA161Accident · No injuriesLimited investigationFinal reportCessna 207 · Nags Head, NCThe failure of the mixture control cable which resulted in a loss of engine power.NTSB LAX94LA327Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Firebaugh, CAthe loss of engine power due to the failure of the number 2 cylinder head. A factor was the dark night conditions which inhibited the pilot's ability to visually detect ground obstructions in the landing area.NTSB BFO94FA140Accident · 2 fatalField investigationFinal reportPiper PA-32R-300 · Roanoke, VAThe disconnection of the throttle cable from the throttle arm on the fuel injector servo.NTSB ATL94LA158Accident · No injuriesLimited investigationFinal reportCessna 172XP · Clarksburg, TNThe failure of the alternator drive coupling, and debris from the failed coupling that lodged in the engine oil pump, resulting in a sheared oil pump drive shaft. The engine subsequently failed because of oil starvation.NTSB FTW94FA273Accident · 3 fatalField investigationFinal reportCessna 310 · Pryor, OKFailure of the pilot to maintain minimum control airspeed (VMC), which resulted in a loss of aircraft control. Factors related to the accident were: an oil leak from a fatigue crack in the engine crankcase, and inadequate maintenance.NTSB CHI94LA286Accident · No injuriesLimited investigationFinal reportSnow S2C · Leslie, MOthe separation of the cylinder and subsequent oil leak. A factor to the accident was the pilot's restricted visual outlook.NTSB ANC94FA106Accident · 3 fatalField investigationFinal reportPiper PA-32-260 · Kenai, AKInadequate engine maintenance and/or inspection, and fatigue cracking of the engine case, which resulted in eventual damage to the #3 cylinder studs/engine through-bolts, subsequent separation of the #3 cylinder and piston, and an in-flight fire.NTSB SEA94LA209Accident · No injuriesLimited investigationFinal reportPiper PA-28-140 · Redmond, WAFailure of an exhaust valve. A factor to the accident was: wet grass.NTSB MIA94LA194Accident · Minor injuriesLimited investigationFinal reportAerosport Quail · Waynesboro, MSAn engine failure due to improper maintenance [overhaul] of the engine crankshaft.NTSB ATL94LA154Accident · Minor injuriesLimited investigationFinal reportAyres S2R · Vienna, GAThe loss of engine power because of a fractured cylinder.NTSB MIA94LA193Accident · Serious injuriesLimited investigationFinal reportGrumman AA-5 · Ormond Beach, FLThe improper maintenance work done on the carburetor by a local mechanic that resulted in loss of engine power over unsuitable terrain. A contributing factor was the dirt and moisture that contaminated the carburetor.NTSB FTW94LA266Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Matagorda, TXA power loss due to cracked engine cylinder. A factor was the lack of suitable terrain for the forced landing.NTSB BFO94LA128Accident · Serious injuriesLimited investigationFinal reportHankins/Dickerson Clipped Wings II · Laurel, MDThe failure of the engine ignition system capacitor discharge unit which caused loss of total engine power.