The Helio 391 (ICAO type COUR) has a maximum take-off weight of 1,500 kg. It offers a maximum range of 570 nm, a cruise speed of 130 knots, a service ceiling of 20,000 ft and seating for up to 4 across its variants.
Helio 391
Fleet & certification
- Built
- 23
- Active
- 22
1 for sale right now
Per-variant specifications
The FAA paperwork
TCDS 1A8 · Rev 33 · issued 1997-09-18
The FAA-issued Type Certificate for this model is on file (TCDS 1A8), but we haven't yet extracted the structured spec values.
Read the TCDS (PDF) →Where to look next
Helio 391 market & fleet intelligence
Registry, flight-tracking and market data on the Helio 391 fleet — updated daily.
69 yearsmedian age
Of the 19 registered Helio 391 with a known build year (83% of the 23 we track), the median age is 69 years.
What is the range of the Helio 391?
The Helio 391 has a maximum range of 570 nautical miles across variants.
How many people can the Helio 391 carry?
The Helio 391 seats up to 4 across its variants.
What is the MTOW of the Helio 391?
The Helio 391's maximum take-off weight is 1,500 kg.
What is the ICAO type designator for the Helio 391?
The Helio 391's ICAO type designator is COUR.
How many Helio 391 aircraft are registered worldwide?
Sprinkle tracks 23 registered Helio 391 airframes worldwide.
Registered 391 aircraft
Individual 391 airframes by tail number — registration history, operator and lineage.