NTSB investigations, WY
34 cases where the first occurrence was “Loss of engine power(total) - mech failure/malf”.
Cases per year
| 1982 | 6 |
|---|---|
| 1983 | 2 |
| 1984 | 3 |
| 1985 | 1 |
| 1988 | 2 |
| 1989 | 2 |
| 1990 | 3 |
| 1991 | 1 |
| 1992 | 3 |
| 1993 | 2 |
| 1994 | 2 |
| 1999 | 2 |
| 2000 | 2 |
| 2001 | 1 |
| 2004 | 1 |
| 2005 | 1 |
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 c.\"eventStateOrRegion\" = 'WY' AND c.\"eventCountry\" = 'USA'
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 c."eventStateOrRegion" = 'WY' AND c."eventCountry" = 'USA' 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 DEN05LA143Accident · No injuriesLimited investigationFinal reportNorth American SNJ-5 · Torrington, WYfailure of the #7 connecting rod, causing engine seizure. A contributing factor was the berm.NTSB DEN04LA107Accident · No injuriesLimited investigationFinal reportCessna P210N · Douglas, WYthe failure of the engine's crankshaft due to the rotation of the engine's number two bearing, which resulted in the oil starvation of the crankshaft's number 2 main journal. Contributing factors include the engine's improper maintenance, and the in-flight…NTSB DEN01LA149Accident · No injuriesLimited investigationFinal reportPiper PA-32RT-300 · Rock Springs, WYthe mechanic's failure to perform an airworthiness directive, which resulted in the loss of engine oil through a partially failed oil filter converter plate gasket, and subsequent failure of a connecting rod during cruise flight. A contributing factor was the…NTSB DEN01LA002Accident · Serious injuriesLimited investigationFinal reportHughes 369FF · Baggs, WYimpact with terrain following a total loss of engine power due to fatigue failure of the turbine-to-compressor coupling. A contributing factor was the unsuitable terrain for a forced landing.NTSB DEN00LA157Accident · Serious injuriesLimited investigationFinal reportPhelps Rans S-12 Airaile · Buffalo, WYthe lack of suitable terrain for the forced landing. Contributing factors were the power failure due to a failed rod bearing, and down draft weather condition.NTSB DEN99LA056Accident · No injuriesLimited investigationFinal reportAero Commander 200D · Evanston, WYA total loss of engine power for undetermined reasons.NTSB DEN99LA040Accident · Serious injuriesLimited investigationFinal reportHughes 369D · Baggs, WYA hard landing resulting from rotor rpm decay. Factors were the improper replacement of the turbine by company maintenance personnel resulting in the PC line nut becoming loose, and the pilot operating outside the normal height/velocity curve.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 SEA95LA027Accident · No injuriesLimited investigationFinal reportCessna 180 · Lonetree, WYThe restricted movement of the carburebor float.NTSB SEA93LA089Accident · No injuriesLimited investigationFinal reportPiper PA-24 · Casper, WYFuel exhaustion, and the pilot in command's poor inflight decision. Factors include an inadequate preflight by the pilot in command.NTSB SEA93LA055Accident · Minor injuriesLimited investigationFinal reportBoeing A75N1 · Medicine Bow, WYFailure of the #7 cylinder rocker arm. Factors contributing to the accident were unsuitable terrain and dark night conditions.NTSB SEA92LA196Accident · No injuriesLimited investigationFinal reportPiper PA-12 · Cokeville, WYFatigue failure of the crankshaft. Factors include non suitable terrain for a forced landing and an improper propeller.NTSB SEA92IA150Incident · No injuriesIncident investigationFinal reportBeech 1900C · Cheyenne, WYFailure of the fuel control unit on the left engine.NTSB SEA92LA138Accident · Minor injuriesLimited investigationFinal reportNavion H · Gillette, WYAn engine power loss due to the collapse of the induction air ducting, inadequate maintenance, and improper approval of the modification.NTSB SEA91LA221Accident · Minor injuriesLimited investigationFinal reportCessna C-210L · Cheyenne, WYMaintenance personnel did not perform a proper top overhaul. This resulted in engine failure due to the failure of a connecting rod bearing. Factors include the hard landing resulting from the premature landing flare by the pilot.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 SEA90LA152Accident · No injuriesLimited investigationFinal reportBoson Starduster TOO · Pinedale, WYThe loss of engine power due to failure of the ignition coil, and the lack of suitable terrain for a forced landing. Failure of the ignition coil resulting in a total loss of engine power. The lack of suitable terrain was a factor related to the accident.NTSB DEN90IA072Incident · No injuriesIncident investigationFinal reportCessna 208A · Wright, WYThe incident was engine failure due to gas producer turbine disc blade failure caused by stress rupture.NTSB DEN90LA026Accident · Minor injuriesLimited investigationFinal reportCessna T210L · Gillette, WYForced landing in unsuitable terrain as a result of an engine crankshaft failure at low level cruise flight.NTSB DEN89LA165Accident · Minor injuriesLimited investigationFinal reportHenry Vickers HCV-110 · Newcastle, WYThe failure to the magneto. The selection of a powerplant with a single magneto system was an improper choice and directly contributed to the cause. The pilot's misjudgement of the wind for the approach to a forced landing resulted in an improper ground…NTSB DEN88LA179Accident · No injuriesLimited investigationFinal reportCessna 182P · Casper, WYDrg flt after an annual inspn, the eng lost power as the acft was climbing to cruise. Attempts to restart the eng were unsuccessful. Subsequently, the acft was landed on rough/rocky terrain where it nosed over. When the eng was being checked after the acdnt,…NTSB DEN88FA151Accident · Serious injuriesField investigationFinal reportAerospatiale SA-315B · Dubois, WYNTSB DEN85LA059Accident · Minor injuriesLimited investigationFinal reportPiper PA-18-150 · Rawlins, WYThe acft lost eng pwr and was substantially damaged during an off arpt energency landing. The purpose of the flt was to look for coyotes. The post accident eng exam revealed that 9 consecutive teeth on the left magneto drive gear were ground off. This allowed…NTSB DEN84LA292Accident · No injuriesLimited investigationFinal reportAerospatiale SA315B Lama · Mountain View, WYThe helicopter experienced a loss of power during an external load operation. The plt released the load and performed an autorotation. A hard landing resulted during which the tail boom was severed by the main rotor blades. Metallurgical examination of the…NTSB DEN84IA281Incident · No injuriesIncident investigationFinal reportMooney M20F · Saratoga, WYWhile in level cruise flt at 10500 ft, the plt heard a high-pitched whine that lasted for about 5 seconds. The engine then seized and the plt made a forced landing in mountainous foothills. During the landing roll, the landing gearcollapsed. Examination of…NTSB DEN84LA221Accident · Minor injuriesLimited investigationFinal reportPiper 28RT-201T · Glendo, WYThe acft was damaged in a forced landing in a wooded area after the engine failed. The plt said that he was cruising at 7500 ft MSL when without warning the engine began making noises and then lost oil pressure. After the landing the enginewas examined at the…NTSB DEN84LA005Accident · Minor injuriesLimited investigationFinal reportCessna R182 · Grovont, WYThe plt reported that after taking off, the gear warning horn sounded when he retracted the gear. He continued en route while trying to get a safe indication. Subsequently, aprx 20 mi east of the departure point, he elected to entend the gear & return to the…NTSB DEN83LA060Accident · No injuriesLimited investigationFinal reportCessna T210N · Riverton, WYThe acft slid across a road and slid parallel to a fence until the acft hit a fence post during a forced landing. The acft was on a test flt after maintenance which included adjustment of the absolute controller. The before takeoff checkswere made and…NTSB DEN82DA196Accident · No injuriesFinal reportCessna U206F · Kemmerer, WYThe aircraft lost power after takeoff in a large field. During the landing roll, the aircraft crossed a dirt road that crossed the field, the nose gear failed and the aircraft nosed over. A section of aluminum from the air induction box was missing. Aluminum…NTSB DEN82DA199Accident · No injuriesFinal reportCessna 175 · Hulett, WYThe pilot reported that during flight the engine began to run rough. He diverted toward a nearby airstrip, but while en route, there was a "bang" and smoke began entering the cabin. At that point, he shut off the fuel, magnetos and master switch, then lost…NTSB DEN82DA159Accident · No injuriesFinal reportAerospatiale SA-315B · Afton, WYEn route during a seismic operation a loud screeching, grinding sound was heard. The pilot reported the aircraft seemed to buck. A long flame emitting from the aft end of the aircraft was observed by witnesses. The engine ceased and the aircraft crashed into…NTSB DEN82FTC09Accident · 1 fatalFinal reportBell 47G-3B-L · Kaycee, WYThe pilot was having cooling fan problems, some blades had broken. He landed in a canyon stayed overnight to cool engine and planned to fly to top of the canyon to get repairs. After takeoff, the helicopter had climbed almost level with the top of the canyon…NTSB DEN82FTC03Accident · Serious injuriesFinal reportAerospatiale SA315B · Big Piney, WYThe acft was engaged in seismic activity supplying explosives by long line. The eng failed at about 400-500 ft AGL. The load was released & an open field was selected. At about 150 ft AGL the plt was unable to maintain rotor RPM & the acft impacted the ground…NTSB DEN82DA015Accident · No injuriesFinal reportBeech 35 · Jackson, WYThe temperature was approximately a minus 15 degrees fahrenheit. The pilot reported the engine was preheated for 30 minutes and that everything was in the green before takeoff. Shortly after takeoff, the engine began to overspeed. The pilot throttled back and…