Hiller UH-12D
NTSB investigations · 50
Matched to the registry by N-number and event date, 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_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = a.case_mkey
WHERE a.aircraft_model_code IN ('4360118')
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_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.aircraft_model_code IN ('4360118')
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 WPR20LA224Accident · 1 fatalClass 3 · LimitedFinal reportHiller UH 12D · Mehama, ORAn in-flight separation of a tail rotor blade due to fatigue cracking and overstress, which resulted in a loss of directional control and subsequent ground impact.NTSB CEN16LA330Accident · Minor injuriesLimited investigationFinal reportHiller UH 12D · Cokeville, WYFailure of the control rotor cuff due to fatigue.NTSB WPR12LA347Accident · Minor injuriesLimited investigationFinal reportHiller UH-12D · Deer Island, ORA loss of helicopter control while maneuvering at low altitude for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.NTSB CEN11CA231Accident · No injuriesData collectionFinal reportHiller UH-12D · Iowa, LAThe pilot's inadequate compensation for gusty crosswinds during takeoff, which resulted in a loss of directional control.NTSB FTW01LA202Accident · Minor injuriesLimited investigationFinal reportHiller UH-12D · Lubbock, TXthe failure of the tail rotor drive shaft hanger bearing, which resulted in the separation of the tail rotor drive shaft. A contributing factor was the lack of suitable terrain for the forced landing.NTSB NYC98LA023Accident · No injuriesLimited investigationFinal reportHiller UH-12D · Farmingdale, NJThe certificated flight instructor's inadequate supervision and failure to maintain directional control.NTSB FTW95LA230Accident · Minor injuriesLimited investigationFinal reportHiller UH-12E · Checotah, OKThe pilot allowing the helicopter to touchdown improperly. A factor was the erratic running engine.NTSB SEA94LA039Accident · No injuriesLimited investigationFinal reportHiller-Soloy UH-12D · Sublimity, ORFuel exhaustion due to inadequate preflight and refueling not acomplished.NTSB SEA94LA037Accident · No injuriesLimited investigationFinal reportHiller UH-12D · Sublimity, ORThe pilot's failure to maintain clearance from unmarked transmission wires. Factors include the pilot's inadequate visual lookout, and unmarked wires in the area of operation.NTSB SEA92LA152Accident · Minor injuriesLimited investigationFinal reportHiller-Soloy UH12D · Loman, IDFuel exhaustion. Factors include a short in the fuel quantity sensor/transmitter, an inadequate preflight, and a tree covered landing area.NTSB LAX91LA369Accident · No injuriesLimited investigationFinal reportHiller UH12D · Sparks, NVThe encounter with rough, unsuitable terrain during a precautionary landing. Contributing to the accident was the pilot's decision to make an autorotation after encountering an airframe vibration.NTSB CHI91LA205Accident · No injuriesLimited investigationFinal reportHiller UH-12D · Savoy, ILThe pilot's failure to maintain tail rotor clearance from the ground. A related factor is the pilot's lack of total experience in helicopters.NTSB ATL90FA089Accident · 1 fatalField investigationFinal reportHiller UH-12D · Soddy-Daisy, TNFatigue induced failure of the collective pitch push rod (adjustable) during flight, and the failure of the pilot to provide routine maintenance. The pilot's lack of expereince and his failure to obtain required training and certification were factors in the…NTSB ATL90GA010Accident · Serious injuriesFinal reportHiller UH-12D · Mentor, OHImproper in-flight planning/decision by the pilot. Factors related to the accident were: the pilot's improper compensation for wind conditions and trees.NTSB LAX89LA169Accident · No injuriesLimited investigationFinal reportHiller UH-12D · Bolinas, CAThe pilot's poor preflight planning in that he did not accurately account for the fuel on board the aircraft as a basis for fuel consumption calculations thereby causing the engine to stop producing power because of a lack of fuel. Contributing to the…NTSB SEA88LA150Accident · No injuriesLimited investigationFinal reportHiller UH-12E · Leavenworth, WAThe PIC reported that during a practice helicopter autorotation to a power recovery, the pilot under instruction held the flare too long. The helicopter's tail guard and tail rotor struck the ground and the aircraft began to spin. The PIC reduced the throttle…NTSB LAX88DUM04Accident · Minor injuriesFinal reportHiller UH-12D · Winterhaven, CANTSB LAX88DVG04Accident · No injuriesFinal reportHiller UH-12E · Winters, CAThe pilot was taking off from a loading truck for his 16th aerial application. He reduced the load from 90 to 70 gals because the winds had become variable. The helicopter descended into ground effect where it normally attains translational lift. The…NTSB LAX88LA153Accident · No injuriesLimited investigationFinal reportHiller UH-12D · Bakersfield, CAThe helicopter encountered weather while enroute to its dest and diverted to an alternate arpt. It overflew the alternate and, after the engine failed from fuel exhaustion, crashed during an autorotative forced landing.NTSB SEA87LA186Accident · Serious injuriesLimited investigationFinal reportHiller UH-12E · Quincy, WADuring an aerial application maneuver the pilot flew into two 23,000 volt powerlines. The helicopter's rotor blades struck the powerlines, the aircraft turned to the right and descended to the ground.NTSB ATL87FA147Accident · 1 fatalField investigationFinal reportHiller UH-12D (H23) · Spartanburg, SCDuring a local pleasure flight above the treetops, the passenger reported that they heard a loud 'pop' over the sound of the engine. The plt told her that they were going down and she noticed the main rotor blades began to turn slower than usual before the…NTSB SEA86LA089Accident · No injuriesLimited investigationFinal reportHiller 12E · Walla Walla, WAA catastrophic failure of the planetary gear of the transmission occurred about 51 flight hours after overhaul. During forced landing a hard landing occurred severing the tail boom. A fire then erupted.NTSB SEA86LA062Accident · No injuriesLimited investigationFinal reportHiller UH-12E · Odessa, WADuring an external load operation to remove groundwire off crossarms, the cable splice jammed in the pulley frame. The helicopters forward motion stopped and it then struck the ground. The pilot said the cargo hook release didn't work but no failures were…NTSB FTW85LA135Accident · No injuriesLimited investigationFinal reportHiller UH-12D · Big Spring, TXCFI was demonstrating a simulated eng failure with tailwind of 10 KTS, 20 KTS grnd speed. The acft yawed left and touchdown was made with 10 kt grnd speed. The right skid broke off and the acft rolled over. The maneuver was initiated at 4 ft skid height.NTSB MKC83FA114Accident · Serious injuriesField investigationFinal reportHiller UH-12E · Troy, KSThe acft collided with a powerline while the pilot was locating a field to spray at a later date. The pilot saw telephone lines and flew over them but hit the powerlines which were 20 feet higher. The skids caught the wires and the helicopter nosed down,…NTSB SEA82FYM11Accident · Minor injuriesFinal reportHiller UH-12E · Mount Angle, ORThe aircraft was being used on an external load operation. On his fourth load, the pilot was to transport a 1190 lb electric pump and fan from the back of a pickup truck. While preparing to lift the load, the pilot was not satisfied with its position. He…NTSB DEN81FTE51Accident · No injuriesClosedHiller UHI2D · Craig, CONTSB CHI81FEK19Accident · No injuriesClosedHiller UH-12D · Junction City, OHNTSB SEA80DYM55Accident · No injuriesClosedHiller Acft UH-12E · Tillamook, ORNTSB DEN80DTM36Accident · Serious injuriesClosedHiller Acft UH-12D · Coalville, UTNTSB MIA80FA069Accident · Serious injuriesClosedHiller UH-12D · Miami Beach, FLNTSB FTW80DPJ20Accident · No injuriesClosedHiller Acft HU-12D · Norman, OKNTSB MKC80FA035Accident · Serious injuriesClosedHiller Acft UH-12D · Kansas City, MONTSB LAX80DVG30Accident · Minor injuriesClosedHiller UH-12J · Frks Of Salmn, CANTSB SEA80FYM30Accident · No injuriesClosedHiller Acft UH-12D · Scappoose, ORNTSB DEN80FTC05Accident · No injuriesClosedHiller Acft UH-12D · Mckennon, WYNTSB SEA79AA029Accident · 1 fatalClosedHiller UH12D · Chehalis, WANTSB DEN79DQD03Accident · Minor injuriesClosedHiller UH-12D · Tularosa, NMNTSB MIA78DKT23Accident · No injuriesClosedHiller UH-12D · Jupiter, FLNTSB MIA78DKT08Accident · No injuriesClosedHiller Acft UH-12D · Miami, FLNTSB SEA77DYM18Accident · No injuriesClosedHiller Acft UH12D · Pendleton, ORNTSB IAD77FLJ02Accident · No injuriesClosedHiller UH-12D · Morrisville, NCNTSB SEA76FYC70Accident · No injuriesClosedHiller Acft UH-12D · Carson, WANTSB ANC76AA123Accident · 1 fatalClosedHiller Acft UH12EJ · Sheep Mountain, AKNTSB MKC76FCJ41Accident · Minor injuriesClosedHiller Acft UH-12D · North Platte, NENTSB SEA76FYC26Accident · Minor injuriesClosedHiller Acft UH-12D · Nehalem, ORNTSB ANC76AA013Accident · Minor injuriesClosedHiller Acft UH-12D · Nome, AKNTSB SEA75DYC42Accident · No injuriesClosedHiller Acft UH-12D · Manzanita, ORNTSB LAX75FYM34Accident · Serious injuriesClosedHiller Acft UH-12D · Paso Robles, CANTSB MIA74DLD84Accident · No injuriesClosedHiller Acft UH-12D · Pleasant Grov, FL
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