Helio Courier - Variants

Variants

Koppen-Bollinger Helioplane.

Original prototype soon re-named Helio Courier.

Helioplane Four.

unknown possible variant.

Helioplane Two.

unknown possible variant.

Hi-Vision Courier.

unknown possible variant.

H-291.

Prototype, one built.

H-295 Super Courier.

Variant with a Lycoming GO-480-G1D6, purchased by USAF as U-10D, 173 built.

HT-295 Super Courier or Trigear Courier.

H-295 with tricycle undercarriage, 19 built.

H-250 Courier.

H-295 with lengthened fuselage and Lycoming O-540-A1A5 engine, 41 built.

H-391 Courier.

Prototype with Lycoming GO-435-C2 engine, one built.

H-391B Courier.

Production version of H-391, 102 built.

H-392 Strato Courier.

High-altitude version of H-391 with Lycoming GSO-480-A1A5 engine (340 hp).

H-395 Super Courier.

H-391B with Lycoming GO-480-G1D6, purchased by USAF as U-10A and U-10B, 138 built.

H-395A Courier.

Variant of the H-395 with a Lycoming GO-435-C2B6 engine, seven built.

H-500 Twin Courier.

Twin-engined H-395 for the CIA. Very little information available except seven delivered to the CIA under front designation U-5.

Helio H-550 Stallion.

Turboprop powered development

H-580 Twin Courier.

A longer nosed H-500 with twin wing mounted piston engines, five built.

H-634 Twin Stallion

Planned twin Allison C250 powered Stallion.

H-700 Courier.

H-295 with redesigned wing and undercarriage and Lycoming TIO-540-J2B engine.

H-800 Courier.

H-700 with Lycoming IO-720-A1B engine, 18 built (H-700 and H-800 together).

L-24 Courier.

Military version of the H-391 Courier.

L-28 Courier.

Military version of the H-395 Courier.

U-5 Twin Courier.

Probable front designation for CIA Twin Couriers.

U-10 Courier

Re-designation of L-28 Courier

U-24 Stallion

Military designation for H-550 Stallion