NTSB investigations: Lycoming IO-540 series
1,056 cases on aircraft whose registry engine model is Lycoming IO-540 series. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41530', '41585'))
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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41530', '41585'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun 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 MIA86LA130Accident · No injuriesLimited investigationFinal reportPiper PA-60 · Panama City, FLThe plt stated that on his apch he had a gear down & locked indication but on landing rollout, the nose gear completely collapsed and the acft slid to a stop on the rwy. Post accident examination of the landing gear system revealed that the nose gear…NTSB DEN86LA113Accident · No injuriesLimited investigationFinal reportde Havilland DHC · Pembina, NDThe plt stated the eng quit because the fuel cap had not been properly secured and the fuel had siphoned out in flt.NTSB MIA86LA065Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Melbourne, FLThe plt stated that on his landing rollout he lost control of the acft & veered off the left side of rwy 9L collapsing the nose gear.NTSB FTW86LRA04Accident · Minor injuriesFinal reportEagle DW-1 · Bremond, TXAccording to the pilot, the aircraft was being operated by thompson flyers of garwood, inc., rt 1, box 214, marlin, TX. In agricultural aircraft operations under FAA ag operation certificate no. SW-HOU-97-AG. The aircraft had completed its last swath run…NTSB CHI86LA021Accident · No injuriesLimited investigationFinal reportEagle DW-1 · Bangor, MIThe acft nosed over after landing on a grass landing strip. The pilot stated the tail came up and the aircraft flipped over on its back after left brake was applied. An examination of the landing gear and brakes revealed that the right brake was released but…NTSB LAX86LA008Accident · 2 fatalLimited investigationFinal reportPiper PA-23-250 · Santa Barbara, CAOn oct. 3, 1985, pipter PA-23-250 crashed into the pacific ocean while on an air sampling flt near Santa Barbara, CA. The ac was destroyed and the two plts were fatally injured. The flt was to be flown along a predermined route utilizing loran navaids. The ac…NTSB MIA85FA261Accident · Serious injuriesField investigationFinal reportAerofab Lake LA-4-250 · Medley, FLThe non seaplane rated plt whose airman certificate was under suspension. Attempted a downwind take-off from an intermediate point on the lake's surface. The plt stated he thought the non seaplane rated plt/pax attempted to abort the take-off by closing the…NTSB FTW85LRG02Accident · No injuriesFinal reportHomebuilt Tiger Bird · Kerrville, TXThe acft nosed over on landing following a loss of directional control. The plt reported touchdown was made on the first 100 ft of the rwy and as the acft slowed to aprx 10 mph directional control was lost. The acft traveled off the left side of the airstrip…NTSB MKC85LA200Accident · No injuriesLimited investigationFinal reportPiper PA-32-301 · Fredericktown, MOThe plt reports that he lost directional control during the landing roll. The acft swerved off the side of the rwy, down an embankment and collided with a fence. The landing and brake system were examined by a mechanic after the accident and no evidence of a…NTSB DEN85LA217Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Ruidoso, NMAcft was 20 lbs over the max gross weight. Plt said he aborted the first takeoff due to a rough running eng. The plt performed a runup and attempted a second takeoff which was aborted again due to rough running eng. The acft ran off end of rwy and struck a…NTSB DEN85FA214Accident · Serious injuriesField investigationFinal reportPiper PA-60-600 · Denver, COPilot in command stated that he waited aprx 90 seconds after a B-727 departed on rwy 8R due to possible wake turbulence. Plt continued to state that he used a short field takeoff procedure to climb above the flt path of the B-727. He stated that during…NTSB CHI85LA336Accident · Minor injuriesLimited investigationFinal reportPiper PA-36-300 · Red Lake Falls, MNThe acft contacted wires during an aerial application flt. The plt stated he was maintaining extra alt to avoid tall weeds and the clearance below the wires was misjudged. The wires severed the vertical fin and rudder.NTSB MIA85LA209Accident · 4 fatalLimited investigationFinal reportPiper PA-32R-301 · Bahamas, BahamasThe acft failed to arrive at it's intended destination on a flt from nassau, Bahamas to opa locka arpt, miami, FL. The acft was reported missing by the miami fss. The U.S. Coast guard initiated a search on 07-12-85 at about 1831 EDT & search was suspended on…NTSB SEA85LA193Accident · No injuriesLimited investigationFinal reportEagle DW-1 · Orovada, NVAfter completing his last spray run, the plt began a turn. During the turn, the eng lost power, then restarted & lost power again. Attempts to restart the eng were to no avail. Since the acft was still at a very low alt (aprx 50 ft), an emerg landing was…NTSB MKC85LA118Accident · No injuriesLimited investigationFinal reportEagle DW1-0062 · Mcpherson, KSDuring a go-around attempt the plt who was landing at the harrison airport encountered turbulent wind condition. The plt stated the acft stalled and dropped into a field off the side of the rwy. Strong wind conditions were forecast fro the area of landing.NTSB NYC85LA128Accident · No injuriesLimited investigationFinal reportPiper PA-32R-301 · Ellington, CTThe acft colldied with a stump during a landing attempt at Ellington arpt. The acft had touched dwn about 25 ft short of the rwy. The left aileron was damaged but the acft made a go-around & returned to westover air base & landed. According to the plt,…NTSB FTW85LA213Accident · No injuriesLimited investigationFinal reportPiper PA-601 · Balmorhea, TXThe acft was involved in illegal activity when it was intentionally landed in an open pasture. During the landing, the acft veered left and struck a 30 inch high concrete culvert. The gear collapsed on contact with the culvert. Unknown personnel subsequently…NTSB SEA85FA084Accident · 2 fatalField investigationFinal reportBellanca 17-31A · Yamhill, ORWitnesses observed the acft apch the airstrip with excessive speed. Touchdown on the rwy was beyond the halfway point & the acft bounced back into the air. Power was applied for an apparent go-around. The acft cleared tall trees at the end of the runway, but…NTSB SEA85LA078Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Fish Lake Valle, NVDuring landing roll the acft veered sharply to the left and struck an irrigation sprinkling system. The operator discovered that the valve stem to the tire had broken and the plt had landed with a flat tire.NTSB FTW85FA137Accident · 1 fatalField investigationFinal reportPiper PA-23-250 · Foss, OKInflt fire at rear of lft eng caused by fitting of inlet fuel line to eng driven fuel pump being more than 1 & 1/2 turns from finger tight plt was A&P mech and did maint on a/c and had helped install lft eng 19.8 hrs prior to accident . Lft wing separated…NTSB CHI85LA128Accident · Serious injuriesLimited investigationFinal reportPiper PA-32-300 · Lacon, ILWhile on final apch moderate turbulence was experienced. A 200 to 300 foot verticle loss of alt occurred. The plt added pwr and increased the pitch attitude. Before alt could be regained the acft contacted a utility pole. The apch was being made to rwy 18.…NTSB ATL85FA101Accident · 2 fatalField investigationFinal reportCessna 182R · Burkes Garden, VAThe plt departed manassas without a current wx briefing or filing a flt plan. Plt had also left maps and a list of checkpoints at home. His route of flt was into an area of low ceilings and visibility. The acft crashed into a mountain at the 3850 ft level.…NTSB LAX85LA133Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Big Bear, CAAfter spending the day skiing, the plt & passengers planned to depart on a return flt to san diego. The wind was from 210 to 220 deg at about 10 mph. The plt elected to takeoff on rwy 7 since low clouds were approaching from the west & the visibility was near…NTSB CHI85LA085Accident · No injuriesLimited investigationFinal reportPiper PA-32-301 · Wheeling, ILThe low time pilot with six POB was ld at dark night light saw showers and icy patches on runway during rollout the acft entered a skid with nose cocked to the left the left main gear failed outboard and the acft exited the left side of the rwy the left wing…NTSB NYC85LA033Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Prospectville, PAPlt stated he allowed the acft to go low on final approach. Collision with terrain separated the landing gear but plt recovered control as acft rebounded and executed a successful go-around. Plt diverted with escort to nearby military arpt where CFR…NTSB MIA85LA045Accident · No injuriesLimited investigationFinal reportPiper PA-32R-301 · Cross City, FLPlt stated that after touchdown as braking was initiated the acft began to pull to the left. Right brake was applied with no correcting effect. The acft ran off the left side of the runway and the landing gear collapsed. Post crash exam of brakes revealed no…NTSB NYC85LA021Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Oxford, CTAfter entering the traffic pattern for the selected runway, plt was informed of surface wind conditions and elected to continue and execute a downwind landing. Upon touchdown, plt raised flaps to assist braking action. During roll-out the plt decided…NTSB LAX85LA039Accident · No injuriesLimited investigationFinal reportPiper PA-32-301 · Sanger, CAUpon touchdown, the left main landing gear contacted a pothole in the rwy aprx 175 ft from the threshold. Skid marks from the left main tire were seen on the rwy beginning at that point along with metal scrappings from the gear. Shortly thereafter, skid marks…NTSB ANC85LA013Accident · No injuriesLimited investigationFinal reportMaule M-6 · Homer, AKShortly after touchdown the acft veered left. Right rudder was applied causing the acft to over correct back to the right. In an effort to regain directional control left rudder was applied. The acft ground looped to the right collapsing the left main landing…NTSB BFO85FA002Accident · 4 fatalField investigationFinal reportPiper PA-32R-301 · Salisbury, MDAfter contacting millville fss 4 times for wx info the acft departed lincoln park, NY, at 1858 EDT with destination listed on the IFR flt plan as easton, MD. En route the plt diverted to Salisbury, MD, due to wx. After being cleared forthe rwy 32 ILS the acft…NTSB FTW84LA403Accident · No injuriesLimited investigationFinal reportPiper PA-32R-301 · Plainview, TXThe CFI stated that at the time of the accident the private plt, in preparation for his commercial certificate, was flying a power off 'spot landing' with a desired touchdown point at the second centerline stripe. In an effort to reach the landing point with…NTSB DEN84LA296Accident · No injuriesLimited investigationFinal reportPiper PA-24-260 · Carrington, NDAccording to the plt, the landing gear were extended on base leg but he did not recall seeing the green light indicating a down and locked configuration. As the acft touched down some resistance was felt by the plt as all 3 gear collapsed and the acft settled…NTSB SEA84LA229Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Kelso, WAClimbing through 4,000 ft the engine failed. Emergency procedures resulted in a momentary restoration of power prior to the forced landing. During final approach the left wing struck a tree. The right main landing gear collapsed during the landing roll.…NTSB SEA84LA226Accident · No injuriesLimited investigationFinal reportMaule M6 · Driggs, IDAfter landing long and fast brakes were applied, directional control was lost and the acft ground looped off of the rwy. The acft collided with and came to rest in a ditch.NTSB ANC84LA151Accident · No injuriesLimited investigationFinal reportMaule M-6-235 · Bettles, AKThe acft collided with an overhanging tree branch during a river takeoff. The plt was trying to negotiate a bend in the river while on the 'step' for takeoff. The plt said he had very limited experience in the model acft and it got light on the floats and…NTSB FTW84LA359Accident · Serious injuriesLimited investigationFinal reportMaule M6-235 · Corpus Christi, TXOn a heading of 165 deg at 3,500 ft the plt saw another acft at the same altitude on a collision course. Evasive action was taken by pushing the nose over forcing both occupants into the cabin overhead. According to the plt, both seatbelts and shoulder…NTSB ATL84LA240Accident · Minor injuriesLimited investigationFinal reportEagle DW-1 · Franklin, GAFlying cross-country on a special ferry permit (the aircraft's annual inspection had expired) the pilot reports a gradual decline in power occurred until altitude could no longer be maintained. A forced landing was accomplished on apublic road, but the pilot…NTSB SEA84LA157Accident · No injuriesLimited investigationFinal reportEagle DW-1 · Quincy, WAThe acft nosed over during landing. The plt said vibration caused the parking brake to be set in the 'on' position priorto landing. At about 20 mph he used the brakes and the acft nosed over.NTSB DEN84LA215Accident · No injuriesLimited investigationFinal reportEagle DW-1 · Marion, SDIn cruise flt, oil covered the windscreen and plt elected a precautionary landing on a dirt road. Acft collided with a mailbox on roll out and nosed over. Oil filler cap found loose.NTSB CHI84LA254Accident · No injuriesLimited investigationFinal reportEagle DW-1 · Oklee, MNThe plt reported that he had completed spraying 60 acres of land & was beginning a pass in another field. Half way through the spray pass the eng quit. He pulled up to clear a tree & the acft stalled into a field of sunflowers. No mechanical failure or…NTSB CHI84LA231Accident · No injuriesLimited investigationFinal reportEagle DW-1 · Oklee, MNThe acft ran off a road into a ditch which destroyed the main landing gear during the forced landing. The plt said oil covered the windshield after takeoff and he could not see well enough to find the airstrip so he landed on the road while looking out the…NTSB SEA84LA126Accident · No injuriesLimited investigationFinal reportPiper Aerostar 601P · Las Vegas, NVThe plt stated he lowered the gear before entering the traffic pattern & noted a down-&-locked indication. He reported that during the landing flare, the gear unsafe horn sounded & he applied power to go around. However, he felt the acft scrap the surface, so…NTSB ATL84FA190Accident · Serious injuriesField investigationFinal reportMaule M-6-235 · Marietta, GAThe float equipped acft departed on a southwesterly heading from the lake. Surface winds were reported from the north at 8 KTS gusting to 15. With full flaps extended the acft got airborne and continued a downwind climb over a tree line to about 250 ft AGL.…NTSB ANC84FA063Accident · No injuriesField investigationFinal reportMaule M-6-235 · Anchorage, AKThe acft bounced and the plt gave it full throttle to recover. The acft nose came up, the left wing dropped, and the acft veered off the rwy into two tied down acft. The acft had just had large tires put on to replace wheel skis. The plthad made only 4 wheel…NTSB SEA84LA098Accident · No injuriesLimited investigationFinal reportEagle DW-1 · Spangle, WAAccording to FAA inspectors, the plt polished the lower leading edges of wings before departing, as they were covered with frost. The plt stated that during climb out the acft entered an inadvertent stall, followed by a three point landing onto soft field.…NTSB NYC84MA151Accident · 2 fatalMajor investigationFinal reportPiper PA-60-601P · Cockeysville, MDOn the day of departure the plt had received a 30 min familiarization flt upon completion of the superstar conversion. Emphasis was directed to eng gages, fuel flow & counter, & power settings. The flt was flown at 5,500 ft. the plt then obtained a wx…NTSB FTW84LA200Accident · No injuriesLimited investigationFinal reportMaule M-6-235 · New Orleans, LAShortly after touchdown on a x-wind landing, the tailwheel equipped acft began to weathervaned to the left into the wind. The plt lost directional control & the acft ground looped to the left. The right gear collapsed & the right wing dragged on the ground.…NTSB CHI84FA148Accident · No injuriesField investigationFinal reportPiper Aerostar 600 · Pontiac, MIDuring an ILS apch, the acft collided with treetops while it was slightly left of the apch course near the middle marker. The plt continued to fly the acft to the rwy & the plane touched down about 1000 ft beyond the threshold. At touchdown, the acft veered…NTSB CHI84LA137Accident · No injuriesLimited investigationFinal reportSmith, Ted Aerostar 600 · Detroit, MIThe taxiway collapsed under the acft as the plt prepared for takeoff. The asphalt surface gave way due to sub-surface erosion and a four ft hole resulted. The acfts left main gear was sheared off.NTSB ATL84LA121Accident · No injuriesLimited investigationFinal reportPiper PA-23-250 · Warrenton, VAThe CFI shut down one engine during takeoff for a simulated emergency and the plt taking instruction applied the incorrect rudder action during the aborted takeoff and left full power on the operating right engine. The CFI was unableto correct the resulting…