NTSB investigations, UT
37 cases where the first occurrence was “Loss of engine power(total) - mech failure/malf”.
Cases per year
| 1982 | 2 |
|---|---|
| 1983 | 1 |
| 1984 | 3 |
| 1985 | 2 |
| 1987 | 3 |
| 1988 | 2 |
| 1989 | 1 |
| 1990 | 1 |
| 1991 | 1 |
| 1992 | 3 |
| 1993 | 2 |
| 1994 | 1 |
| 1996 | 1 |
| 1998 | 1 |
| 2000 | 5 |
| 2002 | 2 |
| 2004 | 4 |
| 2005 | 1 |
| 2006 | 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\" = '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\" = 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" = '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" = 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 SEA06LA141Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Grantsville, UTA lack of lubrication for undetermined reasons, which resulted in the failure of the Nos. 2, 3, 4, 5 and 6 connecting rods, a subsequent total loss of engine power during descent, which resulted in a forced landing. A factor in the accident was the soft sand.NTSB DEN05LA106Accident · Serious injuriesLimited investigationFinal reportClarke YAK 3UR 2000 · Heber City, UTloss of engine power due to a leaking carburetor and an inoperative float, and the pilot's failure to maintain aircraft control during the restart attempt. Contributing factors were the sudden engine power surge during the attempted restart, and unsuitable…NTSB DEN04LA105Accident · No injuriesLimited investigationFinal reportMooney M20C · Escalante, UTthe improper installation of an oil pan quick-drain fitting resulting in the loss of engine oil, failure of the engine, and subsequent impact with terrain following an attempted forced landing. A contributing factor was the lack of suitable terrain for a…NTSB DEN04LA098Accident · No injuriesLimited investigationFinal reportCessna T210N · Spanish Fork, UTthe improper reassembly of the engine following major overhaul (application of Permatex over entire crankcase surfaces). Contributing factors included the number 2 main bearing and crankshaft shifting forward, causing the alternator drive shaft and other…NTSB DEN04LA083Accident · No injuriesLimited investigationFinal reportAyres S-2R · Beaver, UTthe in-flight failure of the engine's P3 tube which resulted in the loss of engine power and the subsequent impact with terrain during a forced landing. Contributing factors include the lack of suitable terrain for a forced landing and the fence.NTSB DEN04LA044Accident · No injuriesLimited investigationFinal reportCessna 152 · West Jordan, UTthe failure of the exhaust valve for the engine's number one cylinder, resulting in the exhaust valve/piston contact and the subsequent total loss of engine power. Contributing factors include the lack of suitable terrain for a forced landing and the snow…NTSB DEN02LA055Accident · Minor injuriesLimited investigationFinal reportCessna 175 · Salt Lake City, UTtotal mechanical loss of engine power for reasons undetermined. Contributing factors were the lack of an annual inspection and the (forced landing in) salt water.NTSB DEN02LA028Accident · Minor injuriesLimited investigationFinal reportPiper PA-32R-300 · Ferron, UTa loss of engine power due to the ingestion of foreign object(s) into the meshing of the gears, causing a malfunction of the magneto idler gear and failure of maintenance personnel to detect the signs of imminent failure during a mandatory oil filter…NTSB DEN01LA029Accident · No injuriesLimited investigationFinal reportCessna 172E · Salt Lake City, UTthe lack of suitable terrain for a forced landing. A factor was a total power loss due to a connecting rod failure.NTSB DEN00LA096Accident · No injuriesLimited investigationFinal reportEiriavion PIK 20E · Hurricane, UTThe complete loss of power due to the separation of the magneto ground lead and the rough and unsuitable terrain during the forced landing.NTSB DEN00LA069Accident · Minor injuriesLimited investigationFinal reportHawkins & Powers UH-1B · Helper, UTTotal failure of the number 1 bearing due to lack of lubrication, the oil flow being restricted by a foreign object (epoxy hardener). Factors were trees and the unavailability of suitable terrain for a forced landing.NTSB DEN00LA064Accident · Minor injuriesLimited investigationFinal reportJohnson Zodiac CH 601 HDS · West Jordan, UTTotal failure of an oil line fitting, resulting in oil exhaustion and subsequent engine seizure. Factors were the poor fitting installation by the pilot, and unsuitable terrain on which to make a forced landing.NTSB DEN00LA066Accident · No injuriesLimited investigationFinal reportCessna 310C · Cedar City, UTThe failure of the right engine mixture control cable, which prevented the pilot from restarting the engine. Contributing factors were the pilot's failure to follow procedures by not feathering the right propeller, the rough terrain, and the high vegetation.NTSB FTW98GA097Accident · 1 fatalFinal reportBell 47G-3B-2 · Spanish Fork, UTA total loss of power due to repeated engine overspeeds. A related factor was unsuitable terrain.NTSB SEA96LA073Accident · No injuriesLimited investigationFinal reportCessna 500 · Salt Lake City, UTfatigue failure of the engine compressor impeller. Inadequate quality control by the manufacturer was a related factor.NTSB SEA94LA099Accident · No injuriesLimited investigationFinal reportLuscombe 8E · Coalville, UTThe failure of the connecting rod. Factors include the rough uneven terrain encountered during the forced landing.NTSB SEA94LA001Accident · No injuriesLimited investigationFinal reportBeech A35 · Heber City, UTFuel starvation brought on by the absence of the roll pin which engages the fuel selector handle to the fuel selector valve shaft, and the pilot in command's misjudging his flare resulting in a hard landing.NTSB SEA93LA150Accident · No injuriesLimited investigationFinal reportHoopes Hummelbird · Salt Lake City, UTA fractured crankshaft.NTSB SEA92LA082Accident · No injuriesLimited investigationFinal reportBeech B36TC · Mona, UTA fatigue failure to the crankshaft and a manufacturing material defect.NTSB SEA92LA076Accident · No injuriesLimited investigationFinal reportAerospatiale SA315B · Magna, UTThe overheat of the engine combustion section, and the failure of the turbine blades.NTSB SEA92LA066Accident · No injuriesLimited investigationFinal reportAvid Mark IV · Soldier Summit, UTThe fuel pump delivering too low fuel pressure. A factor contributing to the accident was the snow covered terrain.NTSB SEA92LA014Accident · No injuriesLimited investigationFinal reportPiper PA-28R-201T · Monticello, UTInadequate maintenance/overhaul of the engine, and subsequent failure of the #5 piston (hole burned in piston), due to pre-ignition and/or detonation. Rough/uneven terrain in the emergency landing area was a related factor.NTSB DEN90FA159Accident · 1 fatalField investigationFinal reportCessna P210R · Ogden, UTFailure of the #1 piston due to pre-ignition/detonation in the #1 cylinder, and inadequate visual lookout by the pilot (his failure to see-and-avoid the obstruction). The obstruction (power line) was a related factor.NTSB DEN89LA132Accident · Serious injuriesLimited investigationFinal reportChampion 7GCBC · Monticello, UTInadequate preflight of the aircraft by the pilot which resulted in fuel exhaustion due to an inadequate supply of fuel. The terrain condition was considered to be a factor.NTSB DEN89LA008Accident · Minor injuriesLimited investigationFinal reportCessna T210N · Price, UTThe pilot was performing a business flight over mountainous terrain. About 1 hr into the flight, he noticed smoke or oil vapor in the cockpit. He saw oil on the lower cowling and wing and communicated his position and problem to the salt lake city ARTCC. The…NTSB DEN88LA046Accident · No injuriesLimited investigationFinal reportHiller UH-12E · Vernal, UTThe commercial plt and two passengers were surveying a road route in mountainous terrain. At cruise, the pilot noticed a drop in manifold pressure, followed by a loss of oil pressure. The plt reported that the engine quit. An autorotation to a snow covered…NTSB DEN88FA037Accident · 2 fatalField investigationFinal reportPiper PA-28-161 · Draper, UTDrg a ngt flt to reposition the acft to its home base, the eng lost pwr as the plt was cruising at about 1000' AGL. He transmitted a 'mayday' call & maneuvered the acft to make a forced lndg on an interstate hiway. While apchg to lnd, the acft struck the top…NTSB DEN87LA241Accident · No injuriesLimited investigationFinal reportCessna TU206G · Spanish Fork, UTWhile cruising at 10,500 ft with the power set at 28 inches map & 2350 RPM, the eng suddenly lost pwr & began knocking. The plt noted a rapid drop in oil pressure & saw a 3-inch hole in the top of the eng cowling. He attempted to land on a highway, but was…NTSB DEN87FA134Accident · Serious injuriesField investigationFinal reportPiper PA-28RT-201T · Ogden, UTAcft departed rapid city, SD, en route to elko, NV. While in cruise flt in IMC at 12,000 ft, eng lost all pwr. Acft was over mountainous terrain and ATC issued plt vectors through canyon. Acft broke out of overcast at 8000 ft MSL (about 1500 ft AGL) and 6 mi…NTSB DEN85LA155Accident · No injuriesLimited investigationFinal reportPiper PA-25-235 · Fillmore, UTThe plt reported the engine failed while he was spraying a corn field, necessitating a straight ahead forced landing. During the landing roll the wheels bogged down in the soft earth and the plane overturned. Subsequent examination of theengine by the plt…NTSB DEN85LA094Accident · No injuriesLimited investigationFinal reportEnstrom F-28L · Salt Lake City, UTThe acft eng lost pwr on final apch at aprx 100 ft AGL. The tail boom was severed during the autorotational landing on soft ground. Post accident exam of the eng revealed that the left magneto point gap was excessively closed. During eng test run, when the…NTSB DEN85LA029Accident · Minor injuriesLimited investigationFinal reportCessna 182P · Snowville, UTThe acft nosed over during an off arpt forced landing after the engine failed in cruise flt. The engine was disassembledand examined on 12/3/84. The #3 and #4 piston rods were separated from their cranckshaft journals. Most of the rod bearings were worn. The…NTSB DEN84LA112Accident · No injuriesLimited investigationFinal reportCessna 175 · Ogden, UTAfter takeoff, the eng began to smoke & lose power. During a forced landing in a muddy plowed field, the acft nosed over. A compression check was accomplished & the #5 cylinder was found to have zero compression. The cylinder was removed & found to be cracked…NTSB DEN84FTM01Accident · 1 fatalFinal reportKeith A Smith KR-2 · Salt Lake City, UTThe acft collided with a mountain ridge in a flat'pancake'attitude,no evidence of foward motion was apparent and all thewreckage was confined to the immediate area. The wooden prop was intact with the exception of 2 inches missing from the end of one blade,…NTSB DEN83FA224Accident · No injuriesField investigationFinal reportHughes 369D (500) · Provo, UTThe helicopter was on a test flt to track & balance the main rotor system & to complete a 100 hr inspection. Prior to the flt, an occasional flicker of the fuel filter light was noted, but it was thought to be a wiring problem. After taking off, the fuel…NTSB DEN83LA007Accident · No injuriesLimited investigationFinal reportHiller UH-12C · Blanding, UTThe private single-engine pilot had a student helicopter certificate. He took off to hover and check that the helicopter was in good condition. He stated that before takeoff, the helicopter was fueled with a 5 gallon can that had been painted red. Before…NTSB DEN82FTM12Accident · No injuriesFinal reportQuickie Rise · Ogden, UTDuring takeoff, the engine lost power as the aircraft was climbing near the departure end of the runway. The aircraft was substantially damaged during a forced landing on rolling terrain with brush. An investigation revealed there was a loose screw holding a…