Robinson R66 — U.S. Fleet History & Risk Data
Helicopter · 403 aircraft on the U.S. registry · built 2007–2026
403
registered airframes
26
NTSB records across the fleet (2008–present)
527
service difficulty reports (1995–present)
1.3
SDRs per airframe on average
Where this fleet reports maintenance difficulties
FAA Service Difficulty Reports filed against Robinson R66 airframes, grouped by JASC system chapter — a factual picture of what mechanics actually report on this type.
- 53 — Fuselage : 191 reports
- 33 — Lights : 108 reports
- 25 — Equipment/Furnishings : 63 reports
- 57 — Wings : 33 reports
- 52 — Doors : 14 reports