NTSB investigations: Hughes 269C
292 cases on aircraft the registry lists as Hughes 269C. 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.
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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.aircraft_model_code IN ('4470504'))
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.aircraft_model_code IN ('4470504'))
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 SEA90LA016Accident · 1 fatalLimited investigationFinal reportHughes 269C · Estacada, ORThe pilot misjudged clearance between her external load and the obstruction. Factors related to the accident were: the obstruction, improper maintenance and modification of the external load line/hook by the operator, failure of the pilot to jettison the…NTSB MKC89LA200Accident · No injuriesLimited investigationFinal reportHughes 269C · Bloomington, MNFailure of the engine crankshaft. The light conditions at dawn and the vehicles were considered to be contributing factors.NTSB BFO89LA078Accident · Serious injuriesLimited investigationFinal reportHughes 269C · Parkersburg, WVThe pilot's inadvertent use (movement) of the collective control during engine operation before shutdown, and a subsequent lift-off, loss of control, roll over, and collision with the ground.NTSB MIA89LA243Accident · Serious injuriesLimited investigationFinal reportHughes 269C · Hollywood, FLThe severe fuselage vibration (ground resonance) and the pilot's improper planning/decision to avoid or compensate for the occurrence. A factor related to the accident was the low shock strut.NTSB LAX89LA246Accident · Serious injuriesLimited investigationFinal reportHughes 269C · Kalapana, HIThe loss of engine power due to the failure of the engine exhaust valve in the no. 2 cylinder and the disregard of the Lycoming service bulletin by company maintenance personnel. Contributing to the accident was the high vegetation and trees located at the…NTSB BFO89LA054Accident · No injuriesLimited investigationFinal reportHughes 269C · Baltimore, MDThe pilot landed on unsuitable soft terrain which caused the landing skid to sink into the ground. This resulted in a landing skid overload failure and nose over of the helicopter. Contributing to the accident was the soft terrain.NTSB CHI89FA112Accident · Minor injuriesField investigationFinal reportHughes 269C · Lockport, ILImproper flight technique by the PIC during a takeoff from a confined area.NTSB LAX89FA212Accident · 2 fatalField investigationFinal reportHughes 269C · Rainbow Valley, CAImproper planning/decision by the pilot and his inadequate visual lookout (failure to see and avoid the obstruction). Factors related to the accident were: the adverse weather conditions, the pilot's decision to fly in marginal VFR weather, and the…NTSB CHI89DEV06Accident · No injuriesFinal reportHughes 269C · Millersville, ILLoss of rotor RPM for an undetermined reason during a turn to reverse direction while applying agricultural chemicals.NTSB FTW89DRG06Accident · 1 fatalFinal reportHughes 269C · Rocksprings, TXThe pilot diverted his attention from operation of the helicopter, failed to maintian proper rotor RPM, and failed to maintain altitude (clearance) above the ground, while maneuvering at low altitude. A contributing factor was his impairment from use of a…NTSB NYC89LA114Accident · Serious injuriesLimited investigationFinal reportHughes 269C · Rosehayn, NJThe pilots failure to maintain control of the aircraft during landing. This resulted in an uncontrolled touchdown and rollover of the helicopter.NTSB LAX89LA309Accident · No injuriesLimited investigationFinal reportHughes 269C · Mesa, AZImproper flare by the student pilot, and improper supervision by the instructor pilot (CFI).NTSB CHI89FA062Accident · Serious injuriesField investigationFinal reportHughes 269C · De Kalb, ILFatigue failure of the number four connecting rod which resulted in an engine failure. Factors in the accident were the broken ring in the number one piston and a deteriorated center main bearing.NTSB LAX89LA129Accident · No injuriesLimited investigationFinal reportHughes 269C · Saipan, SarkFailure of maintenance personnel to assure the helicopter was serviced with the proper grade of fuel. A factor realated to the accident was: the lack of a suitable landing area, which resulted in having to ditch the helicopter in the water.NTSB CHI89LA029Accident · Minor injuriesLimited investigationFinal reportMcdonnell Douglas 269C · Frankfort, ILThe helicopter experienced a tree strike with the main rotor blades and then rolled over when it struck the ground during a precautionary landing attempt. The helicopter had been conducting contract power line patrol when the PIC noted an apparent partial…NTSB ATL89FA035Accident · 2 fatalField investigationFinal reportHughes 269C · Mohawk, TNThe helicopter had landed at a private airstrip and the instructor deplaned. The dual student remained in the helicopter with the engine running. The CFI reboarded and the student made the takeoff. Later, on downwind in traffic pattern, a witness reported a…NTSB FTW89LA010Accident · No injuriesLimited investigationFinal reportHughes 269C · Dickens, TXThe pilot was inspecting a herd of cattle when he thought the helicopter was developing a problem with the engine and main rotor. He started an autorotation, lost tail rotor control, and went into a left spin which continued to contact with the ground.…NTSB MIA89FA004Accident · No injuriesField investigationFinal reportHughes 269C · Vero Beach, FLThe plt stated that while doing a stuck left pedal maneuver, the helicopter was flown with a 5 degree yaw to the left. As the airspeed zeroed, the collective was brought in to bring the nose around and light contact was made with the ground. He then stated…NTSB LAX89LA007Accident · No injuriesLimited investigationFinal reportHughes 269C · Fontana, CAThe pilot was demonstrating a run-on landing for his passenger when the accident occurred. The pilot reported that he allowed the tail of the helicopter to get too low and it collided with the terrain. There were no mechanical difficulties reported prior to…NTSB CHI88DEE07Accident · No injuriesFinal reportHughes 269C · Sandwich, ILThe plt rprtd that while he was conducting spraying opns, he noted a significant loss of eng power. He made a run-on landing in a bean field. As he landed, the left skid dug into a furrow & the helicopter rolled over. During the investigation, which included…NTSB LAX88FA249Accident · Minor injuriesField investigationFinal reportHughes 269C · Van Nuys, CAFlight with undertorqued rotor dampers.NTSB SEA88LA093Accident · Minor injuriesLimited investigationFinal reportHughes 269C · Prineville, ORThe pilot reduced power for landing and a high sink rate developed. The pilot attempted to increase power to correct the sink rate but got no response. Rotor rpm's were diminishing, so the plt lowered the collective to regain rpm's. the pilot elected make an…NTSB ATL88LA161Accident · Serious injuriesLimited investigationFinal reportHughes 269C · Greenwood, SCThe plt reported that the engine RPM began to drop. Shortly after he took off from an open field. He opened the throttle further in an attempt to regain RPM but the engine did not respond. The helicopter subsequently crashed onto a bldg roof as the plt…NTSB ATL88LA215Accident · Minor injuriesLimited investigationFinal reportHughes 269C · Lawrenceville, GAThe instructor reported that he initiated a sim engine failure during climb at about 100 ft AGL, as part of the recurrency flight. The pilot initiated an autorotation, at about 50 ft AGL, the rate of descent increased and the throttle was rolled in to arrest…NTSB SEA88LA073Accident · No injuriesLimited investigationFinal reportHughes 269C · Sitka, AKDuring sling operations, the long line became separated and entangled in the tail rotor at about 300 feet AGL. The pilot landed the helicopter onto a beach area where it rolled over onto its left side striking the main rotor. No accident report has been filed…NTSB FTW88LA080Accident · Minor injuriesLimited investigationFinal reportHughes 269C · Tomball, TXAs the helicopter lifted off the portable landing platform, it rolled to the right and contacted the terrain. The pilot could not determine if the skid was caught on the platform or if it slid off the side.NTSB DEN88LA025Accident · No injuriesLimited investigationFinal reportHughes 269C · Grand Forks, NDThe CFI was instructing the pvt rated dual student in simulated forced landings. During the power recovery following a practice autorotation, the engine failed to regain RPM at full throttle. During the forced landing, the helicopter nosed over at touchdown…NTSB LAX87LA339Accident · Minor injuriesLimited investigationFinal reportHughes 269C · Freemont, CAThe purpose of the flt was to provide instruction to a foreign national, who held a U.S. Private helicopter rating. The instructor (CFI) rprtd that during a practice autorotation, he announced twice for the student to flare as the helicopter was passing thru…NTSB CHI87LA150Accident · No injuriesLimited investigationFinal reportHughes 300C · Aurora, ILWhile the student & instructor (CFI) were on an instructional flt, a decision was made to practice an autorotation & simulated tail rotor failure. Rprtdly, a smooth touchdown was made, but the helicopter began to vibrate. The CFI electedto get the helicopter…NTSB SEA87LA109Accident · Minor injuriesLimited investigationFinal reportHughes 269C · Vancouver, WADuring a practice run-on landing the aircraft started to vibrate violently and an almost simultaneous fire occurred. Both pilots and an eyewitness stated that the run on landing was very smooth. Both pilots stated that something mechanical let loose during…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 NYC87LA069Accident · No injuriesLimited investigationFinal reportHughes 269D · Antrim, NHDuring a practice hover, the pilot lost directional control and the helicopter pitched up at an angle of about 20-25 degrees causing the tail rotor to contact the snow. The aircraft was substantially damaged, but there were no injuries. The CFI stated that…NTSB ATL87LA044Accident · No injuriesLimited investigationFinal reportHughes 269C · Bowling Green, KYWhile hovering in a grassy area near the hangar facility, the pilot experienced a complete loss of flight control. The helicopter struck the ground and sustained substantial damage. The helicopter component examination failed to disclose any system…NTSB CHI87MA053Accident · 2 fatalMajor investigationFinal reportHughes 269B · Cross Plaines, INThe plt & observer were on a power line patrol flt. While proceeding southbound, they apchd an area were the lines were about 23 ft AGL & were crossed by another set of power lines, oriented in an east-west direction. The other power lines were about 45 ft…NTSB ATL87LA040Accident · No injuriesLimited investigationFinal reportHughes 269C · Charlotte, NCWhile flying at 300' to 500' AGL on a cable patrol flt, the plt heard a loud loise. The rotor RPM started to decay & the eng RPM increased sharply. The plt initiated an autorotation to a parking lot, but had to maneuver to avoid trees & a vehicle. The…NTSB ATL87LA023Accident · No injuriesLimited investigationFinal reportHughes 269C · Eden, NCPilot related that he had placed the helicopter at triad for a 50 hour inspection. Aircraft reportedly defueled to dry tank. Six days later fuel truck log shows aircraft refueled with 23.2 gallons as payback. According to information furnished by owner and…NTSB FTW87LA008Accident · Minor injuriesLimited investigationFinal reportHughes 269C · Monahans, TXThe acft was destroyed during a forced landing following a partial loss of pwr after liftoff from a trailer. The acft settled back down onto the front of the trailer and subsequently rolled over. The eng continued to run following the roll over. The plt…NTSB LAX86LA344Accident · No injuriesLimited investigationFinal reportHughes 269C · Carlsbad, CAThe helicopter departed palomar airport (crq), Carlsbad, CA, on a local instructional flight and was the second flight for the dual student. After completing the flight lesson the student asked the CFI to demonstrate hovering. The CFI initiated an…NTSB ATL86FA218Accident · No injuriesField investigationFinal reportHughes 269C · Laurens, SCThe plt was flying an underground cable patrol at 500-600 ft AGL when the accident occurred. The plt reported pwr was set at 20' hg, 3,000 RPM when a 'very loud pop' was heard. The plt likened the sound to being hit by ground fire. The acft yawed and the eng…NTSB FTW86LA138Accident · No injuriesLimited investigationFinal reportHughes 269C · Batesville, TXThe pilot experienced a partial power loss at 60 feet AGL. He made a hard landing in an open field causing the rotor blades to severe the tail boom on touchdown. On examination of the aircraft fuel system debris was found in the fuel strainer, causing fuel…NTSB MIA86LA147Accident · No injuriesLimited investigationFinal reportHughes 269C · Jacksonville, FLThe plt stated that as he was landing on a dolly, the helicopter experienced ground resonance & began to shake violently. It then rolled over on its side, causing the main rotor blades to strike the tail boom & the ground.NTSB LAX86LA188Accident · Minor injuriesLimited investigationFinal reportHughes 269 · Kahului, HIA Hughes 269 went out of control after turning left into a 20 kt tailwind condition. The plt indicated that the engine failed. The eng was run on a eng test stand and no deficientcies were found. A fuel sample was found to be within specified parameters. Ac…NTSB MIA86LA074Accident · No injuriesLimited investigationFinal reportHughes 269C · Vero Beach, FLDuring auto-rotation practice, the CFI passed control of the helicopter to the student plt. At aprx 10 ft above the ground, the CFI attempted to apply corrective action when it became apparent that the acft was going to make a hard landing. The attempt was…NTSB SEA86LA026Accident · No injuriesLimited investigationFinal reportHughes 269C · Brooks, ORA total loss of power occurred due to the number 4 cylinder failing. A tail boom strike occurred during a hard landing in a parking lot, severing the tail boom.NTSB FTW86FQG02Accident · Serious injuriesFinal reportHughes 269C · Monahans, TXThe helicopter was being used to herd cattle when the accident occurred. The helicopter contacted 3 power lines and descended uncontrolled to ground impact.NTSB FTW86FRG06Accident · Minor injuriesFinal reportHughes 269C · Batesville, TXThe helicopter was substantially damaged during a forced landing following a loss of eng pwr. The plt was performing cattle ranching operations when the eng sputtered and quit while at a low alt. The plt was able to clear trees and high brush, however, a hard…NTSB ATL86LA005Accident · Minor injuriesLimited investigationFinal reportHughes 269C · Chapman, ALDuring an attempted takeoff from a field adjacent to a grove of trees the aircraft was unable to climb over the trees and crashed into them. The engine was test run and although it ran rough during initial start up it later operated normally and the reason…NTSB MIA85LA259Accident · No injuriesLimited investigationFinal reportCessna C-152 · Lantana, FLThe plt stated that he was hovering at an altitude of about three feet. Approximately 100 feet north of the rwy. When an out-of-control Cessna 152 tore off their right landind skid. The helicopter landed safely using a wooden dolly for support of the right…NTSB ATL85LA259Accident · No injuriesLimited investigationFinal reportHughes 269C · Elizabethtown, KYAfter takeoff from off airport landing zone, the acft encountered heavy raninshowers and the plt attempted to return to the landing zone. Visibility was such that the plt was unable to see the ground and the tailrotor contacted a lake adjacent to the landing…NTSB FTW85LA239Accident · No injuriesLimited investigationFinal reportHughes 300 · Lake Worth, TXWhile undergoing helicopter transition training from the previous owner, who holds no instructor certificate, the new owner's son had been practicing pwr recovery autorotations. The eng failed to respond to application of throttle, and a full autorotative…