Overview
The Heinonen HK-1 Keltiäinen is a Finnish single-seat, single-engined sport aircraft of the 1950s. Three examples were built. The first was used by its designer to set a class distance record in 1957 that stood for 27 years before being beaten.
Specifications
Powerplant
| Engine model | Mikron |
|---|
Figures are compiled from public sources and may be approximate; they can vary by variant and configuration.
Photos
Photo 1: MKFI / Wikimedia Commons · Public domain
Some text and images come from Wikipedia / Wikimedia Commons under CC BY-SA licences. Source




