Helio HST-550 — registry & accident history
Compiled from FAA & NTSB records · as of Jul 25, 2026
There are 2 Helio HST-550 airframes on record (built 1964–1964), 1 currently registered. No NTSB accident records are on file for this model. Data as of Jul 25, 2026.
2
Airframes
1
Registered
1964–1964
Years
0
NTSB records
Helio HST-550 aircraft
- N550TG ’64
