Bell 407 — U.S. Fleet History & Risk Data
Helicopter · 964 aircraft on the U.S. registry · built 1996–2025
964
registered airframes
64
NTSB records across the fleet (2008–present)
3,384
service difficulty reports (1995–present)
3.5
SDRs per airframe on average
Where this fleet reports maintenance difficulties
FAA Service Difficulty Reports filed against Bell 407 airframes, grouped by JASC system chapter — a factual picture of what mechanics actually report on this type.
- 53 — Fuselage : 489 reports
- 63 — Main Rotor Drive : 298 reports
- 32 — Landing Gear : 279 reports
- 72 — Engine : 242 reports
- 62 — Main Rotor : 193 reports