NTSB investigations, 1990
123 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\") = 1990
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") = 1990 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 DEN91IA028Incident · No injuriesIncident investigationFinal reportBoeing 727-22 · Denver, COFailure of an engine bearing.NTSB DEN91IA026Incident · No injuriesIncident investigationFinal reportBritish Aerospace BAE 146-200 · Denver, COThe catastrophic failure of the no.12 blade on the 4th stage turbine wheel, and failure of company maintenance personnel to identify the preexisting crack during maintenance inspection.NTSB ATL91LA030Accident · No injuriesLimited investigationFinal reportBeech S35 · N. Myrtle Beach, SCThe pilot's failure to ensure that the engine oil filter was properly installed prior to flight, resulting in engine oil loss and eventual failure of the engine.NTSB SEA91LA031Accident · No injuriesLimited investigationFinal reportBeech 3NM · Bozeman, MTThe failure of the right engine master rod.NTSB LAX91LA048Accident · No injuriesLimited investigationFinal reportCessna T-206 · Tonto Basin, AZThe failure of a connecting rod in the engine.NTSB ATL91IA024Incident · No injuriesIncident investigationFinal reportCessna S550 · Columbus, GAA fatigue failure of a spot weld on the gas generator case, which resulted in an engine explosion.NTSB LAX91LA035Accident · Serious injuriesLimited investigationFinal reportCessna 210M · Fallbrook, CAThe failure of the number 5 cylinder piston connecting rod due to bending and subsequent fatigue fracture. Contributing to the accident was the improper starting procedure accomplished by an unidentified person which resulted in excessive fuel in the cylinder…NTSB ATL91LA019Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-140 · Winston-Salem, NCFailure of a piston pin plug which resulted in a total loss of power. Factors in the accident were an inadequate engine overhaul which led to premature engine wear, and the pilot's failure to obtain proper maintenance following a loss of engine oil pressure.NTSB DEN91IA019Incident · No injuriesIncident investigationFinal reportBeech J-35 · Brighton, COThe failure of the engine fuel feed line resulting in a complete loss of power. Contributing to the incident was improper installation of the fuel feed transducer.NTSB BFO91LA014Accident · No injuriesLimited investigationFinal reportHughes 269C · Louisville, KYFatigue failure of the number 1 cylinder connecting rod.NTSB NYC91LA020Accident · No injuriesLimited investigationFinal reportDassault-Breguet Falcon 50 · Parkersburg, WVCatastrophic failure of the left engine fan disc due to low cycle fatigue.NTSB LAX91LA017Accident · Minor injuriesLimited investigationFinal reportBeech F33A · Mobile, AZA fuel flow interruption due to a fuel system seal fragment becoming lodged in the fuel control unit and the manufacturer's inadequate quality control procedures.NTSB ATL91LA007Accident · No injuriesLimited investigationFinal reportPiper PA-24-250 · Savannah, GATotal failure of a connecting rod cap bolt which resulted in a total loss of power.NTSB NYC91LA013Accident · Minor injuriesLimited investigationFinal reportPorterfield Porterfield FP65 · Moravia, NYPower loss after takeoff due to a partially clogged fuel line between the fuel tank and the gascolator. Contributing to the accident was unsuitable terrain under the airplane when power loss occurred.NTSB SEA91LA006Accident · No injuriesLimited investigationFinal reportMooney M20F · Casper, WYThe loss of engine power due to fatigue fracture of the number 2 cylinder connecting rod. Factors related to the accident were: rough and uneven terrain at the accident site and the lack of suitable terrain for forced landing.NTSB LAX91FA005Accident · 2 fatalField investigationFinal reportPiper PA-28-235 · Redlands, CAA total loss of engine power due to fuel starvation as a result of a fuel system leak of an undetermined origin.NTSB DEN91LA006Accident · No injuriesLimited investigationFinal reportCessna T210M · Englewood, COEngine failiure resulting from maintenance discrepancies.NTSB FTW91LA004Accident · Minor injuriesLimited investigationFinal reportWaco RNF · Lampasas, TXThe failure of a cylinder intake valve spring.NTSB LAX90LA338Accident · Serious injuriesLimited investigationFinal reportMooney M-20-M · Flagstaff, AZEngine failure due to a ruptured fuel pump diaphragm. A factor in the accident was the unsuitable nature of the terrain to make a forced landing.NTSB FTW90DPA09Accident · Minor injuriesFinal reportMoffitt, William A. Windryder · Mesquite, TXThe power loss due to failure of the ignition system due to improper installation by the operator. A factor was the wire struck during the emerency descent.NTSB ATL90LA186Accident · No injuriesLimited investigationFinal reportCessna 172N · Stokesdale, NCThe failure of the engine driven oil pump which resulted in oil starvation to the engine. Factors were: the faa's failure to provide sufficient standards for airworthiness directive compliance, and the rough terrain.NTSB MIA90LA187Accident · Serious injuriesLimited investigationFinal reportRepublic RC-3 · Mulberry, FLAn engine failure which required an emergency landing off airport.NTSB DEN90LA193Accident · Serious injuriesLimited investigationFinal reportCessna 310J · Colorado Spring, COThe loss of power on one engine due to excessive fuel pressure and the pilot's feathering of the wrong propeller. Factor(s) were: operation of aircraft with known deficiencies by pilot and operator.NTSB ATL90LA172Accident · No injuriesLimited investigationFinal reportCessna 172RG · Ozark, ALInadequate engine overhaul procedures which allowed the installation of the engine plug without safety wire to hold it in place, and which resulted in oil starvation of the engine.NTSB SEA90GA180Accident · 1 fatalFinal reportBell 204B · Keller, WAThe total loss of engine power due to turbine blade separation while the pilot was operating in the aircraft at a gross weight that exceeded performance specifications for existing meteorological conditions. Factors include the failure or inability to…NTSB NYC90DEI02Accident · Serious injuriesFinal reportGrumman AA5B · Beachwood, OHThe engine failure due to an improper engine overhaul performed by unqualified persons. The unsuitable terrain was a factor.NTSB FTW90DRA08Accident · No injuriesFinal reportBlaine Laux Pitts S-1 · Edna, TXA power loss due to failure of a connecting rod bolt. A factor was the soft terrain in which the forced landing was performed.NTSB NYC90FA215Accident · 4 fatalField investigationFinal reportPiper PA-32RT-300 · Montgomery, NYAn inadequate preflight by the pilot which resulted in a power loss due to fuel exhaustion.NTSB MIA90LA181Accident · Minor injuriesLimited investigationFinal reportPiper J3C-65 · Opa-Locka, FLEngine failure due to lack of oil supply to the number 3 cylinder connecting rod for undetermined reasons. This allowed the connecting rod end cap to separate through the case resulting in oil exhaustion.NTSB NYC90LA208Accident · No injuriesLimited investigationFinal reportPiper J5 CUB · Douglas, MAA total engine failure when the #3 exhaust valve failed, causing internal damage to the engine. Factors related to the accident were: the pilot had to make a forced landing in unsuitable terrain.NTSB LAX90DUG09Accident · Minor injuriesFinal reportMiles Atwood 1 · Chino, CALoss of engine power due to a fuel line separation.NTSB NYC90DFJ04Accident · No injuriesFinal reportSchweizer Grumman G-164A · Wayland, NYA cracked engine cylinder assembly, which resulted in loss of engine power.NTSB FTW90FA171Accident · 1 fatalField investigationFinal reportCessna 320 · Center, TXThe pilot's failure to maintain minimum control speed (VMC) and lack of qualification/training in multi-engine aircraft, which resulted in loss of aircraft control. A factor related to the accident was: failure of the left engine turbocharger, which resulted…NTSB CHI90LA249Accident · No injuriesLimited investigationFinal reportRyan PT-22A · Greenville, MISeparation of a loose cylinder assembly in flight, and unsuitable terrain encountered during the execution of a forced landing.NTSB SEA90LA169Accident · Minor injuriesLimited investigationFinal reportCessna T210N · Florence, ORThe failure of an engine cylinder head. Collision with a log during the landing was a factor related to the accident.NTSB NYC90FA199Accident · 3 fatalField investigationFinal reportPiper PA-31T2 · Mattapan, MAThe pilot's improper in-flight planning/decision, which resulted in his failure to maintain control of the aircraft. Factors related to the accident were: failure of the left fuel control unit, and the adverse weather conditions.NTSB MIA90LA176Accident · No injuriesLimited investigationFinal reportGrumman 164-A · Dundee, MSImproper maintenance repair by an unknown person that initiated the engine failure and the forced landing.NTSB DEN90LA173Accident · No injuriesLimited investigationFinal reportCessna T-210-L · Edgewood, NMEngine failure due to a broken connecting rod. A factor was the rough uneven terrain available for the forced landing.NTSB NYC90DHD03Accident · Minor injuriesFinal reportHeinrichs Rand KR-2 · Barnegat, NJThe loss of engine power due to magneto failure.NTSB ANC90LA147Accident · No injuriesLimited investigationFinal reportAerospatiale AS-350-B · Juneau, AKFailure of the free turbine intermediate pinion driven gear and subsequent disintegration of the free turbine assembly.NTSB LAX90LA289Accident · Minor injuriesLimited investigationFinal reportCessna 172M · Goleta, CAThe loss of engine oil pressure for undetermined reasons.NTSB DEN90DQA03Accident · No injuriesFinal reportPiper PA-25-235 · Fabens, TXEngine failure due to shorting of the magneto's 'p' lead, and failure of the exhaust manifold.NTSB FTW90DPG08Accident · Serious injuriesFinal reportAir Tractor AT-301 · Corning, ARBlockage of the carburetor Air intake by a collapsed Air induction hose due to improper maintenance by an unknown party.NTSB LAX90LA284Accident · No injuriesLimited investigationFinal reportMooney M20C · Lodi, CAThe pilot to continue his flight with a unresolved deficiency in the aircraft powerplant resulting in total failure of the powerplant.NTSB SEA90LA159Accident · Serious injuriesLimited investigationFinal reportCessna 182H · Wenatchee, WAImproper installation of the oil filter gasket by maintenance personnel resulting in loss of engine oil and seizure of the engine.NTSB ATL90FA157Accident · 1 fatalField investigationFinal reportBeech E18S · Greenwood, SCThe pilot's improper emergency procedure by shutting down the wrong engine, which resulted in a forced landing. Factors related to the accident were: failure of the number three intake valve in the right engine due to fatigue, and trees in the emergency…NTSB MIA90FA166Accident · Serious injuriesField investigationFinal reportRockwell 680-E · Titusville, FLThe pilot's decision to continue the flight with a known unairworthy mechanical condition resulting in a subsequent loss of engine power and forced landing.NTSB LAX90DXQ03Accident · Minor injuriesFinal reportAir Tractor AT-401 · Tule Lake, CAAn engine failure due to mechanical failure of the distributor.NTSB ANC90FA134Accident · 3 fatalField investigationFinal reportHelio Courier H-295 · 40 Se Bettles, AKThe failure and separation of the #5 connecting rod bolt and cap which resulted in the rupture of the engine housing and subsequent engine fire due to oil spillage, and an inadequately mounted vertical fin/stabilator. A contributing factor was the inadequate…NTSB ATL90IA154Incident · No injuriesIncident investigationFinal reportDassault DA20F · Chamblee, GAThe right fuel control unit malfunctioned and allowed the engine speed to decrease below idle speed (45%) which resulted in an engine fire. Factors in the incident were: the improper rigging of the fuel control unit during installation, and the flight crew's…