# NTSB investigations: Helio H-250 A list on [Helio H-250](https://openairdocs.org/model/helio-h-250.md). Matched to the registry by N-number and event date, newest first. - [NTSB ANC19FA026](https://openairdocs.org/ntsb/ANC19FA026.md): Helio H 250 · Seward, AK · Accident · 3 fatal · Field investigation · Final report · Jun 21, 2019 · N6314V · Destroyed > The 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 ANC16LA072](https://openairdocs.org/ntsb/ANC16LA072.md): Helio H-250 · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Sep 26, 2016 · N6324V · Substantial damage > The 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 ANC14CA087](https://openairdocs.org/ntsb/ANC14CA087.md): Helio H 250 · Arctic Village, AK · Accident · No injuries · Data collection · Final report · Sep 19, 2014 · N333TB · Substantial damage > The pilot's selection of an unsuitable landing/takeoff area, resulting in an inflight collision with terrain during takeoff. - [NTSB ANC06LA072](https://openairdocs.org/ntsb/ANC06LA072.md): Helio H-250 · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · May 20, 2006 · N6324V · Substantial damage > The 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 DFW06CA116](https://openairdocs.org/ntsb/DFW06CA116.md): Heliotech H-250 · Woodville, TX · Accident · Minor injuries · Data collection · Final report · May 1, 2006 · N777LF · Substantial damage > The 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 ANC05LA097](https://openairdocs.org/ntsb/ANC05LA097.md): Helio H-250 · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Jul 7, 2005 · N333TB · Substantial damage > A fracture failure of the main landing gear leg during the landing roll, which resulted in the collapse of the main landing gear. - [NTSB NYC95LA112](https://openairdocs.org/ntsb/NYC95LA112.md): Helio H-250 · Clarkson, NY · Accident · Minor injuries · Limited investigation · Final report · May 18, 1995 · N5460E · Substantial damage > Failure 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 LAX95FA161](https://openairdocs.org/ntsb/LAX95FA161.md): Helio H-250 · Round Mountain, CA · Accident · 2 fatal · Field investigation · Final report · Apr 12, 1995 · N5461E · Destroyed > the 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 ANC90LA083](https://openairdocs.org/ntsb/ANC90LA083.md): Helio H-250 · Six Mile Lake, AK · Accident · No injuries · Limited investigation · Final report · Jun 2, 1990 · N528LM · Substantial damage > The 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 ANC89LA171](https://openairdocs.org/ntsb/ANC89LA171.md): Helio H-250 · Near Iliamna, AK · Accident · Minor injuries · Limited investigation · Final report · Sep 21, 1989 · N5450E · Substantial damage > Inadequate 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 FTW88LA155](https://openairdocs.org/ntsb/FTW88LA155.md): Helio H-250 · Tyler, TX · Accident · No injuries · Limited investigation · Final report · Aug 26, 1988 · N444FF · Destroyed > During 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 ANC85LA119](https://openairdocs.org/ntsb/ANC85LA119.md): Helio 250 · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Jul 6, 1985 · N5460E · Substantial damage > The 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 LAX85LA300](https://openairdocs.org/ntsb/LAX85LA300.md): Helio H-250 · Imperial, CA · Accident · No injuries · Limited investigation · Final report · Jun 30, 1985 · N55XV · Substantial damage > This 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 LAX85LA118](https://openairdocs.org/ntsb/LAX85LA118.md): Helio H-250 · Palm Springs, CA · Accident · No injuries · Limited investigation · Final report · Jan 21, 1985 · N55XV · Substantial damage > The 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 ANC85LA019](https://openairdocs.org/ntsb/ANC85LA019.md): Helio H-250 · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Nov 1, 1984 · N5450E · Substantial damage > The 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 ANC84FA116](https://openairdocs.org/ntsb/ANC84FA116.md): Helio H-250 · Fairbanks, AK · Accident · No injuries · Field investigation · Final report · Jul 17, 1984 · N6321V · Substantial damage > The 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 ANC84LA034](https://openairdocs.org/ntsb/ANC84LA034.md): Helio H-250 · Iliamna, AK · Accident · Serious injuries · Limited investigation · Final report · Feb 1, 1984 · N5966X · Substantial damage > According 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 ANC80DAG22](https://openairdocs.org/ntsb/ANC80DAG22.md): Helio Acft H-250 · Anchorage, AK · Accident · No injuries · Closed · Dec 30, 1979 · N5460E · Substantial damage - [NTSB ANC78DAH22](https://openairdocs.org/ntsb/ANC78DAH22.md): Helio Acft H-250 · Holy Cross, AK · Accident · Minor injuries · Closed · Sep 15, 1978 · N5444E · Substantial damage - [NTSB ANC76DAG69](https://openairdocs.org/ntsb/ANC76DAG69.md): Helio Acft H-250 · St.Marys, AK · Accident · No injuries · Closed · Nov 17, 1975 · N5467E · Substantial damage - [NTSB ANC76FAG62](https://openairdocs.org/ntsb/ANC76FAG62.md): Helio Acft H-250 · Anchorage, AK · Accident · No injuries · Closed · Nov 4, 1975 · N6301V · Substantial damage - [NTSB ANC76AA042](https://openairdocs.org/ntsb/ANC76AA042.md): Helio Acft H-250 · Teller, AK · Accident · No injuries · Closed · Sep 28, 1975 · N6324V · Substantial damage - [NTSB ANC76DAA18](https://openairdocs.org/ntsb/ANC76DAA18.md): Helio Acft H-250 · Teller, AK · Accident · No injuries · Closed · Jun 22, 1975 · N6307V · Substantial damage - [NTSB ANC74AA028](https://openairdocs.org/ntsb/ANC74AA028.md): Helio Acft H-250 · Grubstake, AK · Accident · No injuries · Closed · Aug 22, 1973 · N6318V · Substantial damage - [NTSB IAD73DID18](https://openairdocs.org/ntsb/IAD73DID18.md): Helio Acft H-250 · Lynchburg, VA · Accident · No injuries · Closed · Mar 10, 1973 · N331X · Substantial damage - [NTSB NYC72FKM27](https://openairdocs.org/ntsb/NYC72FKM27.md): Helio H-250 · Charlotte, NC · Accident · No injuries · Closed · Mar 22, 1972 · N6306V · Substantial damage - [NTSB ANC72AA033](https://openairdocs.org/ntsb/ANC72AA033.md): Helio H-250 · Lttl Diomede, AK · Accident · Minor injuries · Closed · Dec 30, 1971 · N8868E · Substantial damage - [NTSB ANC71AA047](https://openairdocs.org/ntsb/ANC71AA047.md): Helio Acft H-250 · Kobuk, AK · Accident · No injuries · Closed · Mar 22, 1971 · N5463E · Substantial damage - [NTSB NYC68D0352](https://openairdocs.org/ntsb/NYC68D0352.md): Helio H-250 · Beverly, MA · Accident · No injuries · Closed · Jan 31, 1968 · N784HT · Substantial damage - [NTSB CHI68D0622](https://openairdocs.org/ntsb/CHI68D0622.md): Helio Acft H-250 · Youngstown, OH · Accident · No injuries · Closed · Jan 19, 1968 · N5452E · Substantial damage - [NTSB CHI67F0629](https://openairdocs.org/ntsb/CHI67F0629.md): Helio Acft H-250 · Traverse City, MI · Accident · No injuries · Closed · Apr 20, 1967 · N5460E · Substantial damage - [NTSB LAX67D0249](https://openairdocs.org/ntsb/LAX67D0249.md): Helio H-250 · New Cuyama, CA · Accident · No injuries · Closed · Dec 13, 1966 · N5444E · Substantial damage - [NTSB CHI67F0333](https://openairdocs.org/ntsb/CHI67F0333.md): Helio H-250 · Lushing, MI · Accident · No injuries · Closed · Oct 22, 1966 · N5460E · Substantial damage - [NTSB MKC67F0136](https://openairdocs.org/ntsb/MKC67F0136.md): Helio H-250 · Hot Springs, SD · Accident · No injuries · Closed · Jul 22, 1966 · N6318V · Substantial damage - [NTSB NYC66A0121](https://openairdocs.org/ntsb/NYC66A0121.md): Helio Acft H-250 · James Creek, PA · Accident · 1 fatal · Closed · Apr 23, 1966 · N5454E · Destroyed - [NTSB MKC65F0083](https://openairdocs.org/ntsb/MKC65F0083.md): Helio H-250 · Pittsburg, KS · Accident · No injuries · Closed · Apr 3, 1965 · N5444E · Substantial damage ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql 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 ``` This list as a web page: https://openairdocs.org/model/helio-h-250/ntsb --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.