NTSB investigations, UT
21 cases where the first occurrence was “Loss of engine power(partial) - mech failure/malf”.
Cases per year
| 1982 | 2 |
|---|---|
| 1983 | 1 |
| 1985 | 1 |
| 1986 | 1 |
| 1987 | 2 |
| 1990 | 1 |
| 1992 | 1 |
| 1994 | 1 |
| 1996 | 1 |
| 1997 | 2 |
| 1998 | 2 |
| 1999 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2003 | 1 |
| 2007 | 2 |
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\" = 'UT' 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\" = 352)
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" = 'UT' 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" = 352) 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 ENG07IA034Incident · No injuriesIncident investigationFinal reportLearjet · Salt Lake City, UTThe fatigue fracture of the fan blade due to the blade vendor's improper setup of the forging dies, which resulted in fan blades with airfoils that were below the minimum thickness in the highest stressed area of the airfoil and resulted in operating stresses…NTSB LAX07LA114Accident · No injuriesLimited investigationFinal reportMooney M20B · St. George, UTOil contamination of the right magneto. Factors were the airplane owner's failure to comply with manufacturer's service bulletins and overhaul porcedures.NTSB DEN03LA134Accident · No injuriesLimited investigationFinal reportPiper PA-32R-301 · Logan, UTthe loss of engine power due to partial mechanical failure, which resulted in a forced landing. Contributing factors include the pilot's improper preflight planning/preparation, the improper rigging of the propeller governor control, the high density altitude…NTSB DEN02LA010Accident · Minor injuriesLimited investigationFinal reportAgusta A119 · Ogden, UTimproper rigging of the rotary variable differential transformer by the manufacturer, resulting in incorrect fuel scheduling to the fuel control unit.NTSB FTW00LA138Accident · Minor injuriesLimited investigationFinal reportNoteman RV6-A · Kanab, UTThe partial loss of engine power as result of the failure of an exhaust valve. A factor was the lack of suitable terrain for the forced landing.NTSB DEN99TA031Accident · No injuriesFinal reportHughes 369D · Woodruff, UTA partial loss of engine power due to erosion in the compressor assembly module. Factors were a missing rotating labyrinth seal, the installation of which had not been performed by unknown maintenance personnel.NTSB FTW98LA404Accident · No injuriesLimited investigationFinal reportPiper PA-28RT-201T · Duck Creek, UTLoose intake valve rocker arm studs that allowed a loss of compression and a loss of oil. A factor was unsuitable terrain on which to make a forced landing and poles next to a cattle guard.NTSB FTW98LA342Accident · No injuriesLimited investigationFinal reportEnstrom F-28F · Bryce Canyon, UTA partial loss of engine power due to an oil leak in the turbocharger system. Factors were high vegetation and high density altitude.NTSB SEA97LA152Accident · Minor injuriesLimited investigationFinal reportCessna 172A · Ogden, UTThe fracture of the no. 4 exhaust valve and subsequent loss of engine power. Factors contributing to the accident include a congested landing area, and rough terrain.NTSB SEA97LA061Accident · No injuriesLimited investigationFinal reportLuscombe 8A · Morgan, UTDisconnection of the mixture control wire wound cable sheath. A factor was the abrupt, elevated edge of the highway pavement.NTSB SEA96LA042Accident · No injuriesLimited investigationFinal reportCessna 182 · Grantsville, UTthe failure of the #5 exhaust valve rocker boss, and the subsequent sticking of the exhaust valve in the closed position. Factors include wet, soft terrain in the only available landing area.NTSB FTW95FA003Accident · 2 fatalField investigationFinal reportCessna T210M · Richmond, UTThe loss of engine oil pressure due to an oil leak from a loose oil line fitting. Factors were the obscuration, and the unsuitable terrain at the pilot's disposal.NTSB SEA92LA149Accident · No injuriesLimited investigationFinal reportCessna 172L · Delta, UTThe failure of an intake valve and the poorly executed forced landing.NTSB DEN90FA115Accident · Serious injuriesField investigationFinal reportAerospatiale SA315B · La Sal, UTA failure of the engine speed governor unit due to improper storage and/or inspection of the speed governor unit prior to placing it in service. A factor in the accident was the pilot carrying passengers on the external load.NTSB DEN87LA173Accident · No injuriesLimited investigationFinal reportBeech B-60 · Kanab, UTThe commercial corporate plt had deplaned his passengers and was beginning the second leg of a corp/exec flight. During ground run the plt detected a manifold pressure loss on the left engine. The plt aborted the takeoff and applied heavy braking. The…NTSB DEN87LA094Accident · No injuriesLimited investigationFinal reportHughes 269C · Scoffield, UTThe plt and his brother were on a long cross country flt, through mountainous terrain. After one hour of flt and while flying at 8,000 feet the plt noticed a change in engine noise and the acft had a partial power loss. The plt elected to autorotate to a snow…NTSB DEN86FTM02Accident · Serious injuriesFinal reportDenney Aerocraft Kitfox · Ogden, UTShortly after takeoff, the acft had a partial power loss. The left wing then dipped sharply & the acft entered a steep nose low descent & crashed on the nw corner of the arpt. An investigation revealed a noise suppressor was installed on one of 2 spark plug…NTSB DEN85LA235Accident · No injuriesLimited investigationFinal reportCessna 182N · Moab, UTThe plt stated after the accident that he experienced a loss of power while cruising at 8500 MSL. He was unable to restore power and executed an emergency landing in an open area covered by sage brush. During the landing roll, the acftnosed over. Examination…NTSB DEN83FA071Accident · 1 fatalField investigationFinal reportCessna 182Q · Lake Powell, UTThe acft was seen to fly erratically before plunging into the lake during an landing attempt. Investigation revealed a history of pre-existing medical problems that could lead to 'a convulsive episode with accompanied loss of consciousness.' An examination of…NTSB DEN82DA118Accident · Minor injuriesFinal reportAerospatiale SA 315 B · 35 Se Moab, UTHelicopter lifting sling loads lost power in a hover. Pilot jettisoned load and made a forced landing in a ravine, engine had dirt buildup and erosion in the compressor inlet case which led to compressor stall.NTSB DEN82FTM11Accident · Serious injuriesFinal reportBell 47G-3B-1 · Vermal, UTThe pilot stated that he experienced a partial loss of engine power during landing at an elevation of about 5280 ft MSL. The temperature was about 50 degrees fahrenheit. He applied full throttle, but the RPM decayed and the plane crash landed. A partial…