Heldeberg Designs Llc BLUE HERON MARATHON — registry & accident history

Compiled from FAA & NTSB records · as of Jul 25, 2026

There are 11 Heldeberg Designs Llc BLUE HERON MARATHON airframes on record (built 2000–2004), 7 currently registered. No NTSB accident records are on file for this model. Data as of Jul 25, 2026.