# Helio H-250

- Type: Aircraft model (FAA registry)
- Registry code: 4300302
- Manufacturer (registry): HELIO
- Model: H-250
- Aircraft type: Fixed wing single engine
- Category: Airplane
- Engines: 1 · Reciprocating
- Seats: 6
- Weight class: Up to 12,499 lb
- Cruise speed: 119 mph
- Certification: Type certificated
- Data sheet: [TCDS 1A8](https://openairdocs.org/tcds/1A8) (OpenAirDocs)
- Holder: Helio Alaska Inc.
- Registered aircraft: 11
- Page: https://openairdocs.org/model/helio-h-250

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [AD 2022-03-15](https://openairdocs.org/ad/2022-03-15): Fuel Quantity Indicator · Garmin G3X Touch Electronic Flight Instrument System (STC SA01899WI or SA02658SE). Effective Mar 21, 2022
- [AD 2006-12-07](https://openairdocs.org/ad/2006-12-07): ECi cylinder assemblies · Aerostar AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 386 more. Effective Jul 11, 2006
- [AD 2005-25-08](https://openairdocs.org/ad/2005-25-08): Electronic Flight Information System (EFIS) · B-N Group BN-2A, 172, 180 and 22 more. Effective Jan 23, 2006
- [AD 2005-01-19](https://openairdocs.org/ad/2005-01-19): Mode S transponders · GARMIN International GTX 330D, GTX 330, GTX 33D and 830 more. Effective Feb 23, 2005
- [AD 82-16-08](https://openairdocs.org/ad/82-16-08): Left and Right Main Spar Carry-Thru Assembly · Helio H-250, H-295 (USAF U10D), H-391 (USAF UL-24) and 4 more. Effective Aug 3, 1982
- [AD 79-07-02](https://openairdocs.org/ad/79-07-02): Batteries · Aircraft Parts & Development A, A-2, A-3 and 149 more. Effective Apr 3, 1979

## Information bulletins (advisory) (3)

- [SAIB SW-18-31](https://openairdocs.org/saib/SW-18-31): NAVIGATION, ATTITUDE, AND DIRECTION DATA SYSTEM. Issued Nov 21, 2018
- [SAIB CE-18-14](https://openairdocs.org/saib/CE-18-14): Main Landing Gear: Improved inspection at Drag Brace Location. Issued May 9, 2018
- [SAIB CE-08-47](https://openairdocs.org/saib/CE-08-47): Wings - Attachment Fittings. Issued Sep 9, 2008

## Registered aircraft (11)

- [N169E](https://openairdocs.org/aircraft/N169E): [Terrell Joe W III](https://openairdocs.org/faa-owner/TERRELL%20JOE%20W%20III), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 1966, S/N 2531
- [N333TB](https://openairdocs.org/aircraft/N333TB): [Miller Byron W](https://openairdocs.org/faa-owner/MILLER%20BYRON%20W), [Silverton, OR](https://openairdocs.org/faa-place/OR/Silverton), S/N 2530
- [N528LM](https://openairdocs.org/aircraft/N528LM): [Remote Homes LLC](https://openairdocs.org/faa-owner/REMOTE%20HOMES%20LLC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), S/N 2541
- [N5450E](https://openairdocs.org/aircraft/N5450E): [Miller Byron W](https://openairdocs.org/faa-owner/MILLER%20BYRON%20W), [Silverton, OR](https://openairdocs.org/faa-place/OR/Silverton), S/N 2507
- [N5455E](https://openairdocs.org/aircraft/N5455E): [Haddix Christopher W](https://openairdocs.org/faa-owner/HADDIX%20CHRISTOPHER%20W), [Chugiak, AK](https://openairdocs.org/faa-place/AK/Chugiak), S/N 2512
- [N6301V](https://openairdocs.org/aircraft/N6301V): [Valley River Leasing Inc](https://openairdocs.org/faa-owner/VALLEY%20RIVER%20LEASING%20INC), [Murphy, NC](https://openairdocs.org/faa-place/NC/Murphy), built 1965, S/N 2524
- [N6306V](https://openairdocs.org/aircraft/N6306V): [Coyle William L](https://openairdocs.org/faa-owner/COYLE%20WILLIAM%20L), [Kiowa, CO](https://openairdocs.org/faa-place/CO/Kiowa), S/N 2526
- [N6318V](https://openairdocs.org/aircraft/N6318V): [Shoultys Shawn P](https://openairdocs.org/faa-owner/SHOULTYS%20SHAWN%20P), [Denali Park, AK](https://openairdocs.org/faa-place/AK/Denali%20Park), built 1966, S/N 2537
- [N6324V](https://openairdocs.org/aircraft/N6324V): [Branham Chris R](https://openairdocs.org/faa-owner/BRANHAM%20CHRIS%20R), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 1968, S/N 2538
- [N67DD](https://openairdocs.org/aircraft/N67DD): [Dietz Michael D](https://openairdocs.org/faa-owner/DIETZ%20MICHAEL%20D), [Big Lake, AK](https://openairdocs.org/faa-place/AK/Big%20Lake), built 1965, S/N 2516
- [N777LF](https://openairdocs.org/aircraft/N777LF): [Aeolian Corp](https://openairdocs.org/faa-owner/AEOLIAN%20CORP), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1966, S/N 2535

## NTSB investigations (36)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ANC19FA026](https://openairdocs.org/ntsb/ANC19FA026), Jun 21, 2019: Helio H 250 (N6314V), Seward, AK, destroyed, 3 fatal. Probable cause: 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), Sep 26, 2016: Helio H-250 (N6324V), Anchorage, AK, substantial damage. Probable cause: 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), Sep 19, 2014: Helio H 250 (N333TB), Arctic Village, AK, substantial damage. Probable cause: 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), May 20, 2006: Helio H-250 (N6324V), Anchorage, AK, substantial damage. Probable cause: 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…
- [NTSB DFW06CA116](https://openairdocs.org/ntsb/DFW06CA116), May 1, 2006: Heliotech H-250 (N777LF), Woodville, TX, substantial damage. Probable cause: 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), Jul 7, 2005: Helio H-250 (N333TB), Anchorage, AK, substantial damage. Probable cause: 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), May 18, 1995: Helio H-250 (N5460E), Clarkson, NY, substantial damage. Probable cause: 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…
- [NTSB LAX95FA161](https://openairdocs.org/ntsb/LAX95FA161), Apr 12, 1995: Helio H-250 (N5461E), Round Mountain, CA, destroyed, 2 fatal. Probable cause: 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…
- [NTSB ANC90LA083](https://openairdocs.org/ntsb/ANC90LA083), Jun 2, 1990: Helio H-250 (N528LM), Six Mile Lake, AK, substantial damage. Probable cause: 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), Sep 21, 1989: Helio H-250 (N5450E), Near Iliamna, AK, substantial damage. Probable cause: 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…
- [NTSB FTW88LA155](https://openairdocs.org/ntsb/FTW88LA155), Aug 26, 1988: Helio H-250 (N444FF), Tyler, TX, destroyed
- [NTSB ANC85LA119](https://openairdocs.org/ntsb/ANC85LA119), Jul 6, 1985: Helio 250 (N5460E), Anchorage, AK, substantial damage
- [NTSB LAX85LA300](https://openairdocs.org/ntsb/LAX85LA300), Jun 30, 1985: Helio H-250 (N55XV), Imperial, CA, substantial damage
- [NTSB LAX85LA118](https://openairdocs.org/ntsb/LAX85LA118), Jan 21, 1985: Helio H-250 (N55XV), Palm Springs, CA, substantial damage
- [NTSB ANC85LA019](https://openairdocs.org/ntsb/ANC85LA019), Nov 1, 1984: Helio H-250 (N5450E), Anchorage, AK, substantial damage
- [NTSB ANC84FA116](https://openairdocs.org/ntsb/ANC84FA116), Jul 17, 1984: Helio H-250 (N6321V), Fairbanks, AK, substantial damage
- [NTSB ANC84LA034](https://openairdocs.org/ntsb/ANC84LA034), Feb 1, 1984: Helio H-250 (N5966X), Iliamna, AK, substantial damage
- [NTSB ANC80DAG22](https://openairdocs.org/ntsb/ANC80DAG22), Dec 30, 1979: Helio Acft H-250 (N5460E), Anchorage, AK, substantial damage
- [NTSB ANC78DAH22](https://openairdocs.org/ntsb/ANC78DAH22), Sep 15, 1978: Helio Acft H-250 (N5444E), Holy Cross, AK, substantial damage
- [NTSB ANC76DAG69](https://openairdocs.org/ntsb/ANC76DAG69), Nov 17, 1975: Helio Acft H-250 (N5467E), St.Marys, AK, substantial damage
- [NTSB ANC76FAG62](https://openairdocs.org/ntsb/ANC76FAG62), Nov 4, 1975: Helio Acft H-250 (N6301V), Anchorage, AK, substantial damage
- [NTSB ANC76AA042](https://openairdocs.org/ntsb/ANC76AA042), Sep 28, 1975: Helio Acft H-250 (N6324V), Teller, AK, substantial damage
- [NTSB ANC76DAA18](https://openairdocs.org/ntsb/ANC76DAA18), Jun 22, 1975: Helio Acft H-250 (N6307V), Teller, AK, substantial damage
- [NTSB ANC74AA028](https://openairdocs.org/ntsb/ANC74AA028), Aug 22, 1973: Helio Acft H-250 (N6318V), Grubstake, AK, substantial damage
- [NTSB IAD73DID18](https://openairdocs.org/ntsb/IAD73DID18), Mar 10, 1973: Helio Acft H-250 (N331X), Lynchburg, VA, substantial damage
- [NTSB NYC72FKM27](https://openairdocs.org/ntsb/NYC72FKM27), Mar 22, 1972: Helio H-250 (N6306V), Charlotte, NC, substantial damage
- [NTSB ANC72AA033](https://openairdocs.org/ntsb/ANC72AA033), Dec 30, 1971: Helio H-250 (N8868E), Lttl Diomede, AK, substantial damage
- [NTSB ANC71AA047](https://openairdocs.org/ntsb/ANC71AA047), Mar 22, 1971: Helio Acft H-250 (N5463E), Kobuk, AK, substantial damage
- [NTSB NYC68D0352](https://openairdocs.org/ntsb/NYC68D0352), Jan 31, 1968: Helio H-250 (N784HT), Beverly, MA, substantial damage
- [NTSB CHI68D0622](https://openairdocs.org/ntsb/CHI68D0622), Jan 19, 1968: Helio Acft H-250 (N5452E), Youngstown, OH, substantial damage
- [NTSB CHI67F0629](https://openairdocs.org/ntsb/CHI67F0629), Apr 20, 1967: Helio Acft H-250 (N5460E), Traverse City, MI, substantial damage
- [NTSB LAX67D0249](https://openairdocs.org/ntsb/LAX67D0249), Dec 13, 1966: Helio H-250 (N5444E), New Cuyama, CA, substantial damage
- [NTSB CHI67F0333](https://openairdocs.org/ntsb/CHI67F0333), Oct 22, 1966: Helio H-250 (N5460E), Lushing, MI, substantial damage
- [NTSB MKC67F0136](https://openairdocs.org/ntsb/MKC67F0136), Jul 22, 1966: Helio H-250 (N6318V), Hot Springs, SD, substantial damage
- [NTSB NYC66A0121](https://openairdocs.org/ntsb/NYC66A0121), Apr 23, 1966: Helio Acft H-250 (N5454E), James Creek, PA, destroyed, 1 fatal
- [NTSB MKC65F0083](https://openairdocs.org/ntsb/MKC65F0083), Apr 3, 1965: Helio H-250 (N5444E), Pittsburg, KS, substantial damage

## FAA accident and incident reports (29)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20190621007759A](https://openairdocs.org/incident/20190621007759A), Jun 21, 2019: Helio H-250 (N6314V), Seward, AK, Destroyed, 3 fatal. On Friday, June 21st, 2019 at 3:30P, N6314V, a Helio courier H-250, owned by the pilot, departed Seward, Alaska enroute to a remote, grass airstrip located…
- [Accident 20160926024819A](https://openairdocs.org/incident/20160926024819A), Sep 26, 2016: Helio H-250 (N6324V), Anchorage, AK, Substantial damage. The PIC landed at the lake hood strip. He stated he made a normal wheel landing, let the tail come down and as soon as the tail wheel touched down it started…
- [Accident 20140919018209A](https://openairdocs.org/incident/20140919018209A), Sep 19, 2014: Helio H-250 (N333TB), Circle, AK, Substantial damage. Pilot took off from gravel bar 74 miles NE of arctic village AK. Winds were gusting. Pilot states he never made it out of ground effect. Impacted rising…
- [Accident 20060519012049A](https://openairdocs.org/incident/20060519012049A), May 19, 2006: Helio H250 (N6324V), Anchorage, AK, Substantial damage. (-23) At approximately 20 ft. altitude, the pilot aborted a takeoff from a 3,000 ft gravel runway because he felt the engine was not developing full power. He…
- [Accident 20060430006499A](https://openairdocs.org/incident/20060430006499A), Apr 30, 2006: Helio H250 (N777LF), Woodville, TX, Substantial damage. (-23) Pilot attempted landing after a thirty to forty minute local area flight, under VFR conditions, with one passenger, to their residential Private grass…
- [Accident 20050707015029A](https://openairdocs.org/incident/20050707015029A), Jul 7, 2005: Helio H250 (N333TB), Anchorage, AK, Substantial damage. (-23) The aircraft landed normally on runway 24 and decelerated to taxi speed, approximately 1500 feet down the runway brakes were applied to exit the runway…
- [Accident 19950518049029A](https://openairdocs.org/incident/19950518049029A), May 18, 1995: Helio H250 (N5460E), Brockport, NY, Substantial damage. (-16) Investigation continuing.
- [Accident 19950412007939A](https://openairdocs.org/incident/19950412007939A), Apr 12, 1995: Helio H250 (N5461E), Redding, CA, Destroyed, 2 fatal. Flew into trees on cloud obscured mountain. Rain sleet and snow in area. No weather brief.
- [Accident 19900601018009A](https://openairdocs.org/incident/19900601018009A), Jun 1, 1990: Helio H250 (N528LM), Six Mile Lake, AK, Substantial damage. Allowed aircraft to get too slow on final for Private strip. Stalled and crashed short of strip.
- [Accident 19890920035729A](https://openairdocs.org/incident/19890920035729A), Sep 20, 1989: Helio H250 (N5450E), Iliamna, AK, Substantial damage. Flew into area of strong surface wind,zero visibility and freezing rain,stalled into the ground. No weather brief.
- [Accident 19880826035459A](https://openairdocs.org/incident/19880826035459A), Aug 26, 1988: Helio H250 (N444FF), Tyler, TX, Destroyed. Ran mains dry. Unable restart on auxiliary tanks. Over shot open field, hit power pole and a ditch on forced landing
- [Incident 19860922053969I](https://openairdocs.org/incident/19860922053969I), Sep 22, 1986: Helio H250 (N67DD), Egegik, AK. Float plane made for cgd landing in swamp after engine quit. Suspect water in fuel.
- [Accident 19850706029829A](https://openairdocs.org/incident/19850706029829A), Jul 6, 1985: Helio H250 (N5460E), Anchorage, AK, Substantial damage. Downwind takeoff made. Stalled after flap retraction and crashed in woods. Heavy cargo load.
- [Accident 19850630028629A](https://openairdocs.org/incident/19850630028629A), Jun 30, 1985: Helio H250 (N55XV), Imperial, CA, Substantial damage. The right main gear collapsed when the aircraft ground looed during crosswind landing.
- [Accident 19850121041489A](https://openairdocs.org/incident/19850121041489A), Jan 21, 1985: Helio H250 (N55XV), Palm Springs, CA, Substantial damage. Left landing gear collapsed on touchdown. Gear strut corroded on both sides. Corrosion hidden by paint.
- [Accident 19841101064669A](https://openairdocs.org/incident/19841101064669A), Nov 1, 1984: Helio H250 (N5450E), Anchorage, AK, Substantial damage. Aircraft struck trees on takeoff. Continued to destination. Damage to wing and stabilizers. Expired medical.
- [Accident 19840717036559A](https://openairdocs.org/incident/19840717036559A), Jul 17, 1984: Helio H250 (N6321V), Fairbanks, AK, Substantial damage. Over gross weight and beyond aft CG. Pilot was unable to correct a nose high atitude on takeoff. Mushed to ground.
- [Incident 19840705042429I](https://openairdocs.org/incident/19840705042429I), Jul 5, 1984: Helio H250 (N444FF), Pierre, SD, Minor damage. The landing roll turn off the runway was too fast and too sharp. Collapsed the left main gear.
- [Accident 19840201040779A](https://openairdocs.org/incident/19840201040779A), Feb 1, 1984: Helio H250 (N5966X), Iliamna, AK, Substantial damage. Made a steep turn on climbout then spiraled into the ground. No current medical. Severe gusty winds in area.
- [Incident 19800724081069I](https://openairdocs.org/incident/19800724081069I), Jul 24, 1980: Helio H250 (N5461E), Durango, CO, Minor damage. Pilot lost directional control after landing.
- [Accident 19791230034109A](https://openairdocs.org/incident/19791230034109A), Dec 30, 1979: Helio H250 (N5460E), Anchorage, AK, Substantial damage. Attempted takeoff on snow-covered runway. Aborted due to slow acceleration. Ran off end runway.
- [Incident 19790628017769I](https://openairdocs.org/incident/19790628017769I), Jun 28, 1979: Helio H250 (N6301V), Eek, AK. Forced landing due to fuel exhaustion.
- [Accident 19780915038999A](https://openairdocs.org/incident/19780915038999A), Sep 15, 1978: Helio H250 (N5444E), Holy Cross, AK, Substantial damage
- [Accident 19751117041069A](https://openairdocs.org/incident/19751117041069A), Nov 17, 1975: Helio H250 (N5467E), St.Marys, AK, Substantial damage. Lnd on road.
- [Accident 19751104039199A](https://openairdocs.org/incident/19751104039199A), Nov 4, 1975: Helio H250 (N6301V), Anchorage, AK, Substantial damage. Cotter key to retain carb float shaft to bracket missing.
- [Accident 19750928033679A](https://openairdocs.org/incident/19750928033679A), Sep 28, 1975: Helio H250 (N6324V), Teller, AK, Substantial damage. Abt 53LBS ovr max gross wt. Short strip with house 100FT frm dep end. Ran into pond.
- [Accident 19750622028139A](https://openairdocs.org/incident/19750622028139A), Jun 22, 1975: Helio H250 (N6307V), Teller, AK, Substantial damage
- [Accident 19730822026589A](https://openairdocs.org/incident/19730822026589A), Aug 22, 1973: Helio H250 (N6318V), Grubstake, AK, Substantial damage. 900-1000FT strip,abt 650FT usable. Ran off end of rwy into swampy overrun,water 1-3FT deep.
- [Accident 19730310005349A](https://openairdocs.org/incident/19730310005349A), Mar 10, 1973: Helio H250 (N331X), Lynchburg, VA, Substantial damage. Aim noted-land only from east to west. Wind 60DEG 12K,r quartering tailwind.

## Service difficulty reports (3)

As reported by operators and repair stations, by the model named in the report.

- [SDR CA060323004](https://openairdocs.org/sdr/CA060323004), Mar 23, 2006: MOUNT. CRACKED. FWD FUSELAGE TUBING MOUNTING BOSSES FOR THE ENGINE MOUNT, AND THE L/H MAIN GEAR REAR ATTACH FITTING FOUND CRACKED DURING INSPECTION. THE AREAS CRACKED WERE THE 
- [SDR FAA0507001](https://openairdocs.org/sdr/FAA0507001), Jul 7, 2005: STRUT. FAILED. RIGHT LANDING GEAR FAILED DURING TAXI.
- [SDR CA970930006](https://openairdocs.org/sdr/CA970930006), Jul 10, 1997: FLAP TRACK. BROKEN. (CAN) BROKEN FLAP TRACK FOUND ON ROUTINE INSPECTION.

## STCs that may be installed (OpenAirDocs) (159, first 50)

Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SA02571SE](https://openairdocs.org/stc/SA02571SE): Installation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display). Garmin International Inc
- [STC SA01800SE](https://openairdocs.org/stc/SA01800SE): Fabrication and installation of new or replacement of existing instrument panel lights dimmer control. TCW Technologies, LLC
- [STC SA01861SE](https://openairdocs.org/stc/SA01861SE): Fabrication and installation of Landing Light Controller. TCW Technologies, LLC
- [STC SA04837NY](https://openairdocs.org/stc/SA04837NY): Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights. AeroLED's Holdings, LLC
- [STC SA12406WI](https://openairdocs.org/stc/SA12406WI): Installation of a Garmin AXIS Flight Display System. Garmin International Inc
- [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC
- [STC SA02636SE](https://openairdocs.org/stc/SA02636SE): Installation of Garmin GPS 175 Navigation System and GNX 375 Navigation System with ADS-B In/Out Transponder. Garmin International Inc
- [STC SA02019SE-D](https://openairdocs.org/stc/SA02019SE-D): Installation of Garmin Model GTN 625/635/650; 725/750 Navigation System. Garmin International Inc
- [STC SA800EA](https://openairdocs.org/stc/SA800EA): Installation of Whelen Anti-Collision, Position, or Anti-Collision/Position Light System, and applicable associated power supplies. Whelen Aerospace Technologies
- [STC SA02511SE](https://openairdocs.org/stc/SA02511SE): Installation of replacement fuel quantity indicator sending unit(s). CiES Inc
- [STC SA02738CH](https://openairdocs.org/stc/SA02738CH): Installation of L-3 Communications Avionics Systems. Acron Aviation Inc
- [STC SA04046CH PAGE 1](https://openairdocs.org/stc/SA04046CH%20PAGE%201): Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500). Acron Aviation Inc
- [STC SA02594SE](https://openairdocs.org/stc/SA02594SE): SkyView HDX Instrumentation and Autopilot System manufactured. Dynon Avionics
- [STC SA2337CE](https://openairdocs.org/stc/SA2337CE): Repair scheme for main landing gear assemblies. Helio Alaska Inc
- [STC SA916SO](https://openairdocs.org/stc/SA916SO): Installation of Cessna seat rails and seats. Helio Alaska Inc
- [STC SA01757WI](https://openairdocs.org/stc/SA01757WI): To allow the use of UL91 or UL94 (minimum) grade aviation fuel. Swift Fuels LLC
- [STC SA04568CH](https://openairdocs.org/stc/SA04568CH): Installation of the uAvionix tailBeaconX, a tail mounted position light with integrated Automatic Dependent Surveillance - Broadcast (ADS-B) Out and 1090MHz Mode-S transponder functionality. uAvionix Corporation
- [STC SA02658SE](https://openairdocs.org/stc/SA02658SE): Installation of Garmin GI 275 Multi-Function Display System. Garmin International Inc
- [STC SA01899WI](https://openairdocs.org/stc/SA01899WI): Installation of Garmin G3X Touch Electronic Flight Instrument System. Garmin International Inc
- [STC SA02576AK](https://openairdocs.org/stc/SA02576AK): Installation of Cleveland and ABI, LLC Wheel and Brake Kits. ABI LLC
- [STC SA01435LA](https://openairdocs.org/stc/SA01435LA): Installation of engines modified with Firewall Forward Technologies LLC modified camshaft. Centri-Lube Technologies LLC
- [STC SA04192NY](https://openairdocs.org/stc/SA04192NY): KFD 900 Primary Flight Display System Additional Functions. Honeywell International Inc
- [STC SA01967WI](https://openairdocs.org/stc/SA01967WI): Use of GAMI G100UL High Octane Unleaded Avgas. General Aviation Modifications Inc
- [STC SA02203AK](https://openairdocs.org/stc/SA02203AK): Installation of FlightLogic Synthetic Vision Electronic Flight Information System (EFIS-SV). Genesys Aerosystems Inc
- [STC SA04776NY](https://openairdocs.org/stc/SA04776NY): The HIPEC Covering and Finishing System must be performed and maintained. HIPEC Aircraft Coatings Inc
- [STC SA02444AK](https://openairdocs.org/stc/SA02444AK): Approval of the L-3 Communications NGT 9000/9000R ADS-B system installed. ADS-B Technologies LLC
- [STC SA01015SE](https://openairdocs.org/stc/SA01015SE): Installation of eligible Alaska Bushwheel, Inc. wheels and TSO-C62d tires. ABI LLC
- [STC SA01818WI](https://openairdocs.org/stc/SA01818WI): Installation of Garmin G5 Electronic Flight Instrument. Garmin International Inc
- [STC SA09902AC](https://openairdocs.org/stc/SA09902AC): Installation of BendixKing KFD 900 Flight Display System. Honeywell International Inc. (Bendix King)
- [STC SA11174SC PAGE 1](https://openairdocs.org/stc/SA11174SC%20PAGE%201): Installation of BendixKing by Honeywell KSN 770 and KSN 765 WAAS LPV approach capable nav/comm systems. Honeywell International Inc (Bendix King)
- [STC SA10822SC](https://openairdocs.org/stc/SA10822SC): Installation of EFD1000 Primary Flight Display. Aspen Avionics Inc
- [STC SA00401BO](https://openairdocs.org/stc/SA00401BO): Installation of a SkyTrax100B UAT receiver. Avidyne Corporation
- [STC SA02426AK](https://openairdocs.org/stc/SA02426AK): Approval of the FreeFlight FDL-978-TX ADS-B system installed. FreeFlight Systems
- [STC SA00410BO](https://openairdocs.org/stc/SA00410BO): Installation of an AV-30-C Multi-Mode Indicator. uAvionix Corporation
- [STC SA01831WI](https://openairdocs.org/stc/SA01831WI): To allow the use of UL91 (minimum) grade aviation fuel. Petersen Aviation Inc
- [STC SA10236SC](https://openairdocs.org/stc/SA10236SC): Installation of a GDC 31 Roll Steering Converter. DAC International Inc
- [STC SA01714WI](https://openairdocs.org/stc/SA01714WI): Installation of a Garmin transponders: (a) GTX 330/330D/33/33D with ADS-B Out functionality; (b) GTX 335/335R/345/345R with ADS-B Out and In functionality; or (c) GTX 335R/345R with ADS-B Out functionality in select airplanes installed with G950/G1000 systems. Garmin International Inc
- [STC SA03286CH](https://openairdocs.org/stc/SA03286CH): Install an electronic engine ignition system. Electroair Acquisition Corporation
- [STC SA04032CH](https://openairdocs.org/stc/SA04032CH): Install rocker switch assemblies. Electroair Acquisition Corporation
- [STC SA00344BO PAGE 1](https://openairdocs.org/stc/SA00344BO%20PAGE%201): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies
- [STC SA615EA](https://openairdocs.org/stc/SA615EA): Installation of a Whelen Anti-Collision Strobe Light System as replacement for originally installed anti-collision lights. Whelen Aerospace Technologies
- [STC SA04165NY](https://openairdocs.org/stc/SA04165NY): Installation of Latitude Technologies Skynode S200 Satcom system must be performed. Latitude Technologies Corporation
- [STC SA02153LA-D PAGE 1](https://openairdocs.org/stc/SA02153LA-D%20PAGE%201): Installation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System. Garmin International Inc
- [STC SA04424AT](https://openairdocs.org/stc/SA04424AT): Installation of Continental Motors, Inc. (CMI) Shower-of-Sparks Starting Vibrator Booster Systems. Continental Motors, Inc
- [STC SA00024NY](https://openairdocs.org/stc/SA00024NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K007 on single or multi-engine fixed wing light aircraft incorporating Lycoming reciprocating engines of 450 horsepower or less. Airwolf Filter Corporation
- [STC SA01933LA-D](https://openairdocs.org/stc/SA01933LA-D): Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System. Garmin International Inc
- [STC SA02212AK](https://openairdocs.org/stc/SA02212AK): Replacement of existing landing and/or taxi light reflector and bulbs with high intensity discharge (HID) lighting systems. Seaplanes North LLC
- [STC SA00382BO](https://openairdocs.org/stc/SA00382BO): Installation of Globalstar Antenna and Cradle provisions to support a Globalstar GPS-1700 in non-composite airplanes. Avidyne Corporation
- [STC SA02428SE](https://openairdocs.org/stc/SA02428SE): Installation of an Air Stream Switch for an electric time recording device on non-pressurized aircraft. Henry F Rogers/David E Polley
- [STC SA00343BO](https://openairdocs.org/stc/SA00343BO): Installation of a single configuration or a dual configuration Avidyne Corporation Integrated Flight Display, Model IFD540 loaded with Release 10.0 software (or later FAA approved release). Avidyne Corporation

All 159: https://openairdocs.org/model/helio-h-250/stcs.md

---
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.