Bell 407 — U.S. Fleet History Data
Helicopter · 964 aircraft on the U.S. registry · built 1996–2025
NTSB records whose airframe serial does not match the aircraft currently holding the registration are excluded, as are service difficulty reports filed while a registration belonged to a different aircraft. U.S. registrations get reused; these counts are reconciled to the airframes actually in this fleet.
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.
- 63 — Main Rotor Drive : 292 reports
- 72 — Engine : 205 reports
- 32 — Landing Gear : 199 reports
- 65 — Tail Rotor Drive : 187 reports
- 62 — Main Rotor : 184 reports
Recent airworthiness directives matched to this type
- AD 2026-10-04 · effective 2026-06-25 — one-time detailed visual inspection of the electrical harnesses for chafing and corrective actions if necessary
- AD 2025-13-01 · effective 2025-07-08 — report that certain expandable blade bolts installed on the main rotor blade may not have received the correct heat treatment, which could result in stress corr
- AD 2024-10-12 · effective 2024-08-22 — report that a certain part-numbered fuel system standpipe assembly (standpipe) may have sharp edges at the interval weld joints due to a quality escape during t
- AD 2023-17-51 · effective 2023-09-21 — report of a disbonded area in a tail rotor (T/R) blade
- AD 2022-27-08 · effective 2023-01-12 — accident
ADs published since 2000 in our Federal Register database — the full list of directives applicable to an older airframe is longer; build it at drs.faa.gov. Open/superseded status reflects our last sync. Compliance for a specific airframe can only be verified in its logbooks — that's exactly what our per-aircraft report flags.
Buying one? Read the Bell 407 buyer's guide — what the records reveal →