Helio H-250
11 on the U.S. register. Built from 1965 to 1968; half of them date from 1966 or earlier. Alaska has the most (6). 27% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are not named here at this time.
About the H-250 from the FAA's model table
- Type
- Fixed-wing, single engine · Piston singles
- Power
- Piston (reciprocating), 1 engine
- Common engines
- Lycoming 0-540 Series (9)
- Fuel
- 100LL avgasUnleaded: 100R under STC SA04652CH; UL94 under STC SA01757WI; UL91 under STC SA01831WI; G100UL under STC SA01967WI (2 OF3)
- Seats
- 6
- Cruise speed
- about 119 mph
- Built of
- aluminium
- Maker on the register
- Helio
- Registered
- earliest certificate December 22, 1997; newest June 6, 2024
Where they are owner's state
Who owns them registrant type
By owner type, as a table
| aircraft | share | |
|---|---|---|
| Individual | 5 | 45% |
| Co-owned | 3 | 27% |
| Corporation | 2 | 18% |
| LLC | 1 | 9% |
Versions as the FAA records them · click one to list only those aircraft
| Version | Registered | Built | Share |
|---|---|---|---|
| H-250 | 11 | 1965 to 1968 | 100.0% |
Airworthiness certificate class
By airworthiness certificate, as a table
| aircraft | share | |
|---|---|---|
| Standard | 10 | 91% |
| None on file | 1 | 9% |
Biggest operators companies, schools and clubs
Largest fleets, as a table
| aircraft | |
|---|---|
| Valley River Leasing INC | 1 |
| Remote Homes LLC | 1 |
| Aeolian CORP | 1 |
Fleet pages: Valley River Leasing INC
Accident history NTSB records · 13 cases since 1982, 1 fatal
The 8 most recent of 13 cases where the NTSB's make and model match this family's versions. Each aircraft's own page also shows its record. How this model compares with others, with the fleet taken into account: Accidents by model in Aviation Analytics.
Questions people ask answers refresh every morning
How many Helio H-250 aircraft are registered in the U.S.?
11 as of November 12, 2026, counting 1 version the FAA records separately.
Which state has the most Helio H-250s?
Alaska, with 6.
Who owns the Helio H-250?
27% are registered to companies, flight schools, clubs and other organisations; the rest to individuals and co-owners, who are not named on this site at this time.
When were the Helio H-250s on the register built?
Between 1965 and 1968; half of them in 1966 or earlier.
How many Helio H-250 accidents has the NTSB recorded?
13 accidents and incidents since 1982, 1 of them fatal. A model flown more shows more; the accident analytics compare models per thousand registered.
What is the Helio H-250 made of?
The airframe is aluminium: sheet metal over a riveted frame, the way most aircraft have been built since the 1940s. The FAA's type certificate data sheet is the authority for any one model.
What the FAA has certified, ordered and been told about the Helio H-250 the component layer
The airframe is aluminium: sheet metal over a riveted frame, the way most aircraft have been built since the 1940s. The design is held under 1 type certificate (1A8, held by Helio Alaska INC.). The FAA has issued 6 airworthiness directives (orders that owners must comply with) that name this model, most of them about instruments and avionics. Operators and repair shops have filed 3 failure reports with the FAA since 1997, 3 of them in the last ten years: about 9.1 a year for every 100 aircraft on the register; the system most often named is engine. 182 approved modifications exist for it, the most by Garmin International INC.
FAA orders 6 airworthiness directives · newest first
By system
Orders by system, as a table
| orders | share | |
|---|---|---|
| Instruments and avionics | 2 | 33% |
| Airframe structure | 1 | 17% |
| Fuel system | 1 | 17% |
| Engine | 1 | 17% |
| Electrical power | 1 | 17% |
Failure reports 3 since 1997 · what operators and shops told the FAA
Failure reports by year, as a table
| reports | |
|---|---|
| 97 | 1 |
| 05 | 1 |
| 06 | 1 |
By system
Failure reports by system, as a table
| reports | share | |
|---|---|---|
| Engine | 1 | 33% |
| Landing gear | 1 | 33% |
| Airframe structure | 1 | 33% |
Parts most often reported as the reports name them
Latest reports
Approved replacement parts 169 parts manufacturer approvals
Parts a company other than the maker may make for this design and sell as FAA-approved. The companies holding the most:
Most often: strobe light (17), tail position (16), self contained (10), autopilot attitude (8), system (7), fuel cell (4), ea ignition (4), door hinge (4), passenger seats (3), hose fitting (3).
Approved modifications 182 supplemental type certificates
Changes the FAA has approved for this design, from new avionics and engines to floats and parachutes. The companies holding the most:
Latest
Certificates and bulletins
Safety bulletins 3 · advice, not orders
Sources: the FAA's type certificate data sheets, airworthiness directives, supplemental type certificates, special conditions and special airworthiness information bulletins (Dynamic Regulatory System), and the FAA's service difficulty reports. A failure report is what an operator or repair station chose to file; the counts show reporting as much as reliability, and larger and commercial fleets report more. How the systems are grouped.
Connections how the H-250 links to the rest of the register
- Helio 120 aircraft on the register
- Helio H-250 11 registered
- Built of aluminium
- Lycoming O-540 series 9 of these aircraft · 250 hp
- Alaska 6 of these aircraft
- Oregon 2 of these aircraft
- North Carolina 1 of these aircraft
- Delaware 1 of these aircraft
- Colorado 1 of these aircraft
- Valley River Leasing INC 1 of these aircraft
- Remote Homes LLC 1 of these aircraft
- Aeolian CORP 1 of these aircraft
- NTSB accidents and incidents involving the H-250 13 cases since 1982 · 1 fatal
- FAA orders naming the H-250 6 airworthiness directives
- Failure reports filed on the H-250 3 reports since 1995
- Approved modifications for the H-250 182 supplemental type certificates
The whole map of how records connect · these connections as data: /graph/model/helio/h-250.json.
Aircraft newest certificates first · 11
| Tail no. | Maker and model | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|
| N6318V | Helio H-250 |
Co-owned owner Alaska |
Standard | 2024-06-06 | ValidFAA registration status code V: Valid registration. All codes |
| N528LM | Helio H-250 |
Remote Homes LLC Anchorage, Alaska |
None on file | 2024-05-31 | ValidFAA registration status code V: Valid registration. All codes |
| N5455E | Helio H-250 |
Individual owner Alaska |
Standard | 2023-07-05 | ValidFAA registration status code V: Valid registration. All codes |
| N6306V | Helio H-250 |
Individual owner Colorado |
Standard | 2018-06-14 | ValidFAA registration status code V: Valid registration. All codes |
| N5450E | Helio H-250 |
Co-owned owner Oregon |
Standard | 2017-08-09 | ValidFAA registration status code V: Valid registration. All codes |
| N333TB | Helio H-250 |
Co-owned owner Oregon |
Standard | 2015-03-19 | ValidFAA registration status code V: Valid registration. All codes |
| N67DD | Helio H-250 |
Individual owner Alaska |
Standard | 2013-08-01 | ValidFAA registration status code V: Valid registration. All codes |
| N6324V | Helio H-250 |
Individual owner Alaska |
Standard | 2013-05-13 | ValidFAA registration status code V: Valid registration. All codes |
| N6301V | Helio H-250 |
Valley River Leasing INC Murphy, North Carolina |
Standard | 2010-07-12 | ValidFAA registration status code V: Valid registration. All codes |
| N777LF | Helio H-250 |
Aeolian CORP Wilmington, Delaware |
Standard | 2004-02-19 | ValidFAA registration status code V: Valid registration. All codes |
| N169E | Helio H-250 |
Individual owner Alaska |
Standard | 1997-12-22 | ValidFAA registration status code V: Valid registration. All codes |