Robinson R66 — U.S. Fleet History Data
Helicopter · 403 aircraft on the U.S. registry · built 2007–2026
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 Robinson R66 airframes, grouped by JASC system chapter — a factual picture of what mechanics actually report on this type.
- 32 — Landing Gear : 2 reports
- 34 — Navigation : 1 reports
Recent airworthiness directives matched to this type
- AD 2024-04-02 (recurring) · effective 2024-04-02 — reports of helicopters losing a tail rotor blade (TRB) tip cap
- AD 2022-19-12 · effective 2022-10-20 — same action
- AD 2021-04-12 · effective 2021-04-12 — reports of tail rotor (T/R) drive shaft forward hanger bearing failures
- AD 2019-07-02 · effective 2019-05-17 — reports of broken oil tank internal baffles
- AD 2016-26-04 · effective 2017-02-08 — inspecting the main rotor blade (MRB)
ADs published since 2016 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 Open/superseded status reflects our last sync.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 Robinson R66 buyer's guide — what the records reveal →