Heldeberg Designs BLUE HERRON MARATHON — registry & accident history

Compiled from FAA & NTSB records · as of Jul 29, 2026

There is 1 Heldeberg Designs BLUE HERRON MARATHON airframe on record (built 1998–1998), 1 currently registered. No NTSB accident records are on file for this model. Data as of Jul 29, 2026.