Heldeberg Designs BLUE HERON MARATHON — registry & accident history
Compiled from FAA & NTSB records · as of Jul 30, 2026
There are 3 Heldeberg Designs BLUE HERON MARATHON airframes on record (built 2000–2004), 2 currently registered. No NTSB accident records are on file for this model. Data as of Jul 30, 2026.
3
Airframes
2
Registered
2000–2004
Years
0
NTSB records