A-22-031
NTSB Safety Recommendation — Aviation
Recommendation text
TO TRANSPORT CANADA: Require operators of Bell 407 helicopters to conduct subsequent torque checks of the tail boom attachment hardware and visual inspection of the tail boom attachment fittings as referenced in Safety Recommendation A-22-30 at an interval significantly less than the currently required interval to provide multiple opportunities for detecting any improperly installed or fractured attachment hardware or fittings. Require operators to report findings to their respective regulatory authority. (Urgent)
In plain language (FlightFinder summary)
Transport Canada is asked to mandate that Bell 407 helicopter operators perform torque checks on tail boom attachment hardware and visual inspections of tail boom attachment fittings more frequently than currently required, and to report any findings to regulatory authorities.
This plain-language summary is written by FlightFinder to explain the recommendation above. It is not the official wording — the verbatim NTSB text is quoted above.
Details
| Status | Open - Unacceptable Response |
|---|---|
| Mode | Aviation |
| Closed | — |
| NTSB number | ANC22FA041 |
| Addressees | Foreign, Canada, Transport Canada, Civil Aviation |
External links
NTSB safety recommendations are advisory; addressees are not legally required to adopt them. Source: NTSB CAROL (public domain).