NTSB investigations
1,176 cases where the first occurrence was “Loss of engine power(partial) - nonmechanical”.
Cases, newest first
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.\"mKey\" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 354) 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."mKey" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 354) 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 FTW84LA379Accident · No injuriesLimited investigationFinal reportPiper PA-28-140 · San Antonio, TXThe acft did not climb above 25 to 50 ft AGL after takeoff. The plt said 'the engine felt loaded down.' The stall warning horn sounded and the plt told everyone to 'hang on' as he lowered the nose of the acft. The acft touched down about 555 ft beyond the…NTSB NYC84FIA03Accident · Minor injuriesFinal reportBeech 35 · Park Hall, MDThe plt noted that the engine ran rough at low RPM but smoothed out at higher pwr settings. Despite that finding the pltelected to takeoff but aborted as he realized that he would not be able to get airborne before reaching the end of the rwy. After taxiing…NTSB ATL84LA266Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-140 · Iuka, MSOn initial climb from take-off, a partial power loss occurred. Carb heat was selected but pwr remained at a level too low to sustain altitude and a forced landing was effected in rough, wooded terrain. Investigation revealed no discrepancies in the fuel or…NTSB CHI84LA355Accident · Minor injuriesLimited investigationFinal reportPiper PA-28R-200 · La Salle, ILThe acft made a forced landing in a corn field after a power loss. The plt said that the engine seemed to be running rough at start-up. After leaning and a run-up it smoothed out. Twenty minutes after takeoff the engine started vibratingand the EGT went up to…NTSB MKC84LA247Accident · Minor injuriesLimited investigationFinal reportDarrell W. MC Moran Monnett Moni · El Dorado, ARAfter lift-off on initial test flight of this homebuilt acft, the engine ceased to develop full RPM. The plt was unable to establish a rate of climb to clear terrain obstacles in the flight path, colliding first with tree tops and then the ground. Plt…NTSB FTW84FA343Accident · Serious injuriesField investigationFinal reportCessna 150J · Justin, TXThe acft collided with a power line and nosed over during an attempt to recover from a simulated forced landing. The cfireportedly 'cleared' the engine during the approach but when she took over and added power to climb she claimed the engine did not fully…NTSB CHI84LA329Accident · Minor injuriesLimited investigationFinal reportGulfstream AA-5A · Wausau, WIDrg a x-country flt at 4500 ft, eng began sputtering. Plt adusted the mix; then applied carb heat, but rprtdly for only a short time. Eng contd operg, but at reduced pwr. Acft lost alt & dscndd into clds, but the plt was able to lvl at APRX500' AGL. He…NTSB DCA84AA033Accident · 9 fatalFinal reportBritten-Norman BN-2A Islander · Vieques, PRA witness reported he heard an apparent eng problem after the acft took off & began a left turn for a x-wind departure. Reportedly, the acft oscillated, then after regaining some lost alt, it banked abruptly to the left, nosed down, & subsequently, crashed in…NTSB LAX84LA424Accident · No injuriesLimited investigationFinal reportBell 47G-5A · Winterhaven, CAThe acft collided with the ground during a takeoff attempt. According to the plt, after the acft was loaded with 60 gallons of pesticide a takeoff was begun. The acft became airborne and traveled about 300 ft when the plt inadvertantly allowed the rotor RPM…NTSB DEN84LA246Accident · No injuriesLimited investigationFinal reportStinson 108-1 · Bountiful, UTFollowing an uneventful runup the pilot took off and was climbing through 400 ft AGL when the engine began to lose power. The pilot then turned on the carburetor heat, but it did not alleviate the engine problem. He then made an emergency landing in a field,…NTSB LAX84FVM01Accident · 1 fatalFinal reportE.L. Griggs Q2 · Hollister, CAThe acft passed over the arpt twice after departure with the engine popping and backfiring. A witness who heard this radioed the plt to warn him. The plt replied that he was trying to correct it with the mixture control. The plt was also advised that his…NTSB SEA84LA183Accident · Minor injuriesLimited investigationFinal reportCessna 150J · Burley, IDThe acft made a forced landing in a potato field and nosed over after the engine lost power. The plt said she used carburetor heat when the engine started running rough. The engine did not immediately improve but was running in surges from 1800-2200 RPM. The…NTSB SEA84LA180Accident · No injuriesLimited investigationFinal reportCessna 150K Aerobat · Blaine, WAThe student pilot had just returned to his home airport after a x-country flight. He had not refueled at the last airport and was aware that both fuel gages were below one quarter tank. He said that his first approach was two high. The second approach was…NTSB NYC84FNE03Accident · 1 fatalFinal reportPiper J4A · Gardner, MADuring climbout, plt noted slight pwr loss, applied carb heat & eng regained pwr. On removal of carb heat, pwr loss (aprx 200 RPM) again occurred. Application of carb heat again resorted pwr but plt elected to turn back to field and land. During turn, plt…NTSB FTW84LA310Accident · No injuriesLimited investigationFinal reportCessna 182A · Marshall, TXThe acft was descended in a long glide from 5000 ft. the engine did not respond to throttle application on final. Pumping the throttle produced brief restarts. The plt landed in a rough field off the arpt. The nose gear separated and the acft nosed over. No…NTSB CHI84LA293Accident · No injuriesLimited investigationFinal reportBellanca 17-30A · Richmond Hts, OHThe aircraft was being flown back from an annual inspection. The pilot stated after the accident that he experienced a loss of power while on downwind leg for landing on rwy 23. The pilot attempted a landing on rwy 5 but the acft landed 1500 feet short.…NTSB FTW84LA304Accident · Serious injuriesLimited investigationFinal reportBeech 95-B55 · Lubbock, TXAccording to the plt, the right eng lost power & during the approach to the arpt, the left eng also lost power. Subsequently, he made a wheels up landing in a cotton field & the acft was damaged. The plt indicated that he was distracted in his attempts to…NTSB FTW84FA300Accident · Serious injuriesField investigationFinal reportPiper PA-38-112 · Georgetown, TXThe acft crashed into trees during takeoff following a reported loss of power. The engine by observation was running at impact. Investigation showed a worn magneto and fouled spark plugs; #3 bottom plug was coated with unburned oil and foreign matter. The…NTSB CHI84LA279Accident · Serious injuriesLimited investigationFinal reportBell 47G2 · Detroit, MIThe acft landed in the Detroit river after the engine sputtered and the acft vibrated. The plt reduced pwr & collective and pushed the cyclic forward. The RPM reduced from 3000 to 2500 but the rotor and engine RPM remained married. The plt adjusted descent…NTSB FTW84FA288Accident · 1 fatalField investigationFinal reportPiper PA-22-150 · Quinlan, TXSeveral witnesses stated the acft 'buzzed them below tree-top level' before the accident. Witnesses also stated that the engine 'sounded like it cut out.' The acft impacted the ground in a steep left bank. Post accident inspection revealed no evidence of any…NTSB CHI84LA257Accident · Minor injuriesLimited investigationFinal reportCessna 172L · Lewisburg, OHAfter descent from 4000 ft to 1000, plt applied pwr for level off & eng did not respond. Carb heat was not used during descent or after power loss. Plt executed forced landing in bean field, colliding with a wire on approach and damaging the right main gear.…NTSB FTW84LA281Accident · No injuriesLimited investigationFinal reportCessna 150G · Ennis, TXAfter the plt experienced a rough running eng while doing touch & go landings he executed a precautionary ldg. Upon rollout the acft nosed over in a ditch & came to rest inverted. Post crash examination of the eng revealed no evidence of a mechanical failure…NTSB CHI84MA249Accident · 4 fatalMajor investigationFinal reportCessna 340A · Cincinnati, OHPlt requested fuel from FBO but failed to make it clear what type he wanted. The FBO personnel misunderstood the plt's request and refueled the acft with 'jet a' instead of aviation grade gasoline. The plt did not monitor the refueling process and failed to…NTSB FTW84LA280Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Blue Ridge, TXPlt had power at idle during descent from 900 ft AGL to 200 ft AGL. During a low pass over a field, plt advanced throttle, engine sputtered and did not accelerate. Heavy braking was used during forced landing roll and acft nosed over. Plt did not recall using…NTSB ANC84FA091Accident · No injuriesField investigationFinal reportBell 206L-1 · Whittier, AKThe helicopter experienced an eng power loss during takeoff and descended into marshy terrain. The PIC stated that he was departing from a confined area & at 90% torque the acft rose to 50 ft AGL. He then rose to 200 ft AGL but could not recall power…NTSB CHI84LA222Accident · No injuriesLimited investigationFinal reportPiper PA-23-160 · Kankakee, ILAfter departing the arpt, the plt elected to practice emergency procedures. He shut down & feathered the left eng about 4 mi south of the arpt at 4000 ft MSL. He then tried to restart the eng, but reported that the battery did not have enough pwr to turn the…NTSB ANC84LA077Accident · No injuriesLimited investigationFinal reportPiper PA-12 · Wasilla, AKThe acft nosed over during a forced landing after the engine lost power. The plt said that the engine failed due to carburetor icing. Examination of the eng revealed no mechanical failure or malfunction.NTSB CHI84FA194Accident · Minor injuriesField investigationFinal reportBeech A36 · Schaumburg, ILThe plt reported that he lost partial engine power during climb and decided to return to the arpt. He said the engine changed power output when he used the electric fuel pump but he left it off. During final approach, not having declared an emergency, he had…NTSB CHI84LA189Accident · No injuriesLimited investigationFinal reportCessna 190 · St. Anne, ILThe plt stated that during his 2nd takeoff from a restricted landing area, the eng hesitated at an alt of about 10 ft AGL. He then aborted the takeoff & tried to land on the remaining rwy. However, the acft touched down in a plowed field where it nosed over.…NTSB FTW84LA232Accident · No injuriesLimited investigationFinal reportCessna 170 · Victoria, TXThe pilot stated that while on a long final approach power was reduced for descent. Shortly thereafter the throttle was applied but the engine failed to respond. The aircraft landed 100 yards short of rwy 17. The pilot stated after the accident that he…NTSB DEN84FA148Accident · Serious injuriesField investigationFinal reportPiper PA-23-150 · Parker, COAccording to the pilot the acft had not been flown for two months and he intended to practice touch and go landings. Maintenance personnel were requested to add 10 gals of fuel to the right main tank just prior to departure. They reported that upon arrival…NTSB MIA84FA162Accident · No injuriesField investigationFinal reportPiper PA-31-325 · Eglin Afb, FLAfter arriving at Eglin Afb, the plt determined he would need more fuel to complete the next leg of the flt. However, there was no avgas refueling available at Eglin. The plt disembarked the pax & flew IFR to ft walton beach to refuel. A missed approach was…NTSB CHI84LA181Accident · No injuriesLimited investigationFinal reportBell 47D-1 · Ridge Farm, ILThe helicopter rolled over after a hard landing following loss of rotor RPM. The plt reported that during initial climb at about 300 ft AGL the rotor decreased about 500 RPM. He tried to regain rotor RPM until about 100 ft AGL and then tried an autorotation.…NTSB FTW84LA219Accident · Minor injuriesLimited investigationFinal reportCessna 180B · Galveston, TXThe a/c was being flown at about 300 ft over the bay and the pilot and passenger were looking for fish. When the pilot made a turn to fly in a downwind direction the aircraft started to stall. The pilot stated that he advanced the throttle but the engine did…NTSB LAX84LA239Accident · Minor injuriesLimited investigationFinal reportCessna 182 · Davis, CAThe acft made a forced landing in an open field following a power loss during takeoff. The engine was examined after theaccident and test run. No discrepancies were found. At the time of the accident weather conditions were conducive to carburetor icing.NTSB ATL84FLT07Accident · No injuriesFinal reportWeatherly 201C · South Fulton, TNFive miles after takeoff the acft engine began sputtering and losing power. The plt dumped his load and still could not maintain flight. The acft could not be stopped before colliding with fence and trees during a downwind landing on wet pasture grass.…NTSB ATL84FA129Accident · Serious injuriesField investigationFinal reportPiper PA-32-260 · Woodstock, GAShortly after breaking ground during the takeoff, the engine lost power & the acft came back down to the rwy. The engine regained power & the plt continued the takeoff. The engine again lost power. Subsequently, the acft impacted on an uneven, grassy, open…NTSB DEN84FTG01Accident · No injuriesFinal reportLee M. Brown Taterbug SB-1 · Sawyer, NDThe plt switched from main tank to aux tank, & about 10 minutes later, the eng began losing power switching back to the main tank did not help. The engine continued running but at greatly reduced power. A forced landing was made in a frozen stubble field. The…NTSB ATL84FA126Accident · 1 fatalField investigationFinal reportPiper PA-34-200T · Fletcher, NCDuring takeoff the left eng lost power shortly after the landing gear was retracted. The plt stated that he felt the loss of power at about the same time that he turned off the landing lights. With the left eng manifold pressure gauge reading 25 inches hg,…NTSB SEA84LA069Accident · No injuriesLimited investigationFinal reportPiper PA 23-1300 · Battleground, WAThe acft had been parked on the ground for 2 yrs. Prior to the flt, it had been run-up several times. There was about 20 gal of fuel in each tank. The plt checked the fuel before takeoff & some water was found. He drained the fuel until no water was found.…NTSB DEN84LA103Accident · Serious injuriesLimited investigationFinal reportPiper PA-23-160 · Deming, NMThe plt took off with full fuel tanks & used fuel from the main tanks until they were aprx 1/2 full. He then switched to the tip tanks & used fuel from them until they emptied. Judging from a previous flt, he knew the l tip tank would empty aprx 8 min before…NTSB NYC84FA090Accident · 1 fatalField investigationFinal reportBeech 76 · Beverly, MAA commercially rated plt (student) was receiving multi-eng training from an instructor plt (CFI). The student stated that on final apch to landing, he noticed the airspeed was slow when the CFI shut down the right eng by using the mixture control. The acft…NTSB CHI84LA113Accident · No injuriesLimited investigationFinal reportCessna 150 · Menominee, MIThe acft landed in a swamp and nosed over after the engine lost power. Weather conditions were conducive to carburetor icing. The plt reported that he experienced carburetor icing and a power loss two miles short of the arpt of intended landing.NTSB FTW84LA133Accident · Serious injuriesLimited investigationFinal reportPiper PA-31P · Presidio, TXDuring a x-country flt the plt could not locate a refueling stop and landed 100 miles away. No refueling was accomplished and he decided to go on to his destination with the fuel remaining. Enroute his right engine coughed and herealized he was running out of…NTSB CHI84LA103Accident · Minor injuriesLimited investigationFinal reportCessna 177RG · Logansport, INThe plt stated that the acft eng was running rough at rotation. He climbed to approx 300 ft AGL and began a left trafficpattern back to rwy 27. A landing was made 225 ft short of the rwy. During the post-accident eng run-up the eng started easily and ran…NTSB CHI84LA097Accident · Minor injuriesLimited investigationFinal reportCessna 150M · Faribault, MNThe acft landed in a snow covered field following a partial power loss. The plt stated that he performed a preflight which included checking the fuel for contamination. Post accident investigation revealed water in the gascolator and icein the fuel lines near…NTSB NYC84FFA01Accident · No injuriesFinal reportCessna 150M · Lowville, NYThe acft was on a VFR flt from old forge to canastota NY when during cruise flt the engine would only develop partial power. A forced landing was made to a shopping mall and the acft sustained substantial damage. The weather conditions were conducive to…NTSB LAX84LA140Accident · No injuriesLimited investigationFinal reportJodell D-9 · Livermore, CAThe plt stated that after departing on rwy 07 for touch and go landings, the eng 'sagged 400-450 RPM.' With insufficientpower for continued flight, he landed in a plowed field. The plt reported carburetor ice.NTSB CHI84LA079Accident · No injuriesLimited investigationFinal reportCessna 150G · Plato Center, ILThe acft nosed over during a forced landing after the engine lost power. After the accident oil samples from the acft were analyzed and found to contain anti-freeze. The acft owner suspected sabotage.NTSB MKC84LA056Accident · No injuriesLimited investigationFinal reportCessna 150 · Kirksville, MOThe acft lost power and emitted black smoke during takeoff. The acft was forced to land in a field off the arpt. The weather was conducive to carburetor icing. The plt said that he had not used carburetor heat anytime during the sequenceof events.