Helio H-250
NTSB investigations · 36
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 ('4300302')
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 ('4300302')
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 ANC19FA026Accident · 3 fatalField investigationFinal reportHelio H 250 · Seward, AKThe pilot's failure to maintain clearance from trees during takeoff, which resulted in an in-flight collision, a loss of control, and impact with terrain.NTSB ANC16LA072Accident · No injuriesLimited investigationFinal reportHelio H-250 · Anchorage, AKThe fatigue fracture failure of both main landing gear (MLG) legs during the landing roll, which resulted in the collapse and separation of both MLG legs.NTSB ANC14CA087Accident · No injuriesData collectionFinal reportHelio H 250 · Arctic Village, AKThe pilot's selection of an unsuitable landing/takeoff area, resulting in an inflight collision with terrain during takeoff.NTSB ANC06LA072Accident · No injuriesLimited investigationFinal reportHelio H-250 · Anchorage, AKThe pilot's improper use of the carburetor heat control during takeoff, which resulted in a partial loss of engine power, a hard landing, and an on ground encounter with terrain. A factor contributing to the accident was an inadvertent ground loop.NTSB DFW06CA116Accident · Minor injuriesData collectionFinal reportHeliotech H-250 · Woodville, TXThe pilot's failure to maintain clearance with obstructions at the departure end of the airstrip during an aborted landing. A contributing factor was dusk light conditions.NTSB ANC05LA097Accident · No injuriesLimited investigationFinal reportHelio H-250 · Anchorage, AKA fracture failure of the main landing gear leg during the landing roll, which resulted in the collapse of the main landing gear.NTSB NYC95LA112Accident · Minor injuriesLimited investigationFinal reportHelio H-250 · Clarkson, NYFailure of the engine fuel pump, which resulted in fuel starvation and loss of engine power over an unsuitable landing area. Factors relating to the accident were: the airplane manufacture did not list the use of the installed electric boost pumps, nor did…NTSB LAX95FA161Accident · 2 fatalField investigationFinal reportHelio H-250 · Round Mountain, CAthe pilot's poor preflight planning/preparation and in-flight decision by continuing VFR flight into instrument meteorological conditions. The pilot's delay in returning to the departure airport, the low clouds, and low visibility were factors in this…NTSB ANC90LA083Accident · No injuriesLimited investigationFinal reportHelio H-250 · Six Mile Lake, AKThe pilot's improper flare, which resulted in a hard landing. The pilot's lack of experience in the make and model of aircraft was a related factor.NTSB ANC89LA171Accident · Minor injuriesLimited investigationFinal reportHelio H-250 · Near Iliamna, AKInadequate preflight planning/preparation by the pilot and his continued flight into instrument meteorological conditions (IMC). Factors related to the accident were: darkness and adverse weather conditions.NTSB FTW88LA155Accident · No injuriesLimited investigationFinal reportHelio H-250 · Tyler, TXDuring flight, the engine stopped developing power. The fuel was feeding from the main tanks and the pilot attempted to transfer some fuel from the auxiliary tanks to the mains but was not able to get a restart. During the forced landing, the airplane…NTSB ANC85LA119Accident · No injuriesLimited investigationFinal reportHelio 250 · Anchorage, AKThe plt reported that he took off downwind with a heavily loaded acft. He estimated the wind was from the north at 4 gusting to 6 KTS. He stated that after climbing about 100 ft, the acft began to mush as he began retracting the flaps. Subsequently, it…NTSB LAX85LA300Accident · No injuriesLimited investigationFinal reportHelio H-250 · Imperial, CAThis plt executed a full flap 40 mph landing. After touchdown the left main landing gear lifted off the rwy, & the plt was not able to lower it using rudder, brakes, & aileron control. No attempt was made o use power to regain directinal control as the acft…NTSB LAX85LA118Accident · No injuriesLimited investigationFinal reportHelio H-250 · Palm Springs, CAThe acft bounced upon landing in calm wind conditions and the left main gear leg broke off whereupon the acft ground looped to the right. Inspection revealed rust on both sides of the gear strut about 6 inches below the fuselage where a brace is welded to the…NTSB ANC85LA019Accident · No injuriesLimited investigationFinal reportHelio H-250 · Anchorage, AKThe plt stated during two telephone interviews that he hit trees during takeoff and then continued his two hour flt to to the homer arpt. The left wing was damaged and both left and right sides of the horizontal stabilizer were crushed andbent up about 19…NTSB ANC84FA116Accident · No injuriesField investigationFinal reportHelio H-250 · Fairbanks, AKThe acft nosed up after takeoff to an aprx 75 deg pitch angle in spite of nose down control input. The plt pulled off all power and the acft fell to the ground. Post accident investigation revealed that the acft was about 392 lbs over gross weight and 5.13…NTSB ANC84LA034Accident · Serious injuriesLimited investigationFinal reportHelio H-250 · Iliamna, AKAccording to witnesses, the ski equipped acft took off toward the north. They reported that after taking off, the acft made a tight left turn, then spiraled to the ground. They estimated that the maximum alt was aprx 150 ft. also, they reported that the eng…NTSB ANC80DAG22Accident · No injuriesClosedHelio Acft H-250 · Anchorage, AKNTSB ANC78DAH22Accident · Minor injuriesClosedHelio Acft H-250 · Holy Cross, AKNTSB ANC76DAG69Accident · No injuriesClosedHelio Acft H-250 · St.Marys, AKNTSB ANC76FAG62Accident · No injuriesClosedHelio Acft H-250 · Anchorage, AKNTSB ANC76AA042Accident · No injuriesClosedHelio Acft H-250 · Teller, AKNTSB ANC76DAA18Accident · No injuriesClosedHelio Acft H-250 · Teller, AKNTSB ANC74AA028Accident · No injuriesClosedHelio Acft H-250 · Grubstake, AKNTSB IAD73DID18Accident · No injuriesClosedHelio Acft H-250 · Lynchburg, VANTSB NYC72FKM27Accident · No injuriesClosedHelio H-250 · Charlotte, NCNTSB ANC72AA033Accident · Minor injuriesClosedHelio H-250 · Lttl Diomede, AKNTSB ANC71AA047Accident · No injuriesClosedHelio Acft H-250 · Kobuk, AKNTSB NYC68D0352Accident · No injuriesClosedHelio H-250 · Beverly, MANTSB CHI68D0622Accident · No injuriesClosedHelio Acft H-250 · Youngstown, OHNTSB CHI67F0629Accident · No injuriesClosedHelio Acft H-250 · Traverse City, MINTSB LAX67D0249Accident · No injuriesClosedHelio H-250 · New Cuyama, CANTSB CHI67F0333Accident · No injuriesClosedHelio H-250 · Lushing, MINTSB MKC67F0136Accident · No injuriesClosedHelio H-250 · Hot Springs, SDNTSB NYC66A0121Accident · 1 fatalClosedHelio Acft H-250 · James Creek, PANTSB MKC65F0083Accident · No injuriesClosedHelio H-250 · Pittsburg, KS
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