Download the PDF consolidation of Part 133 [PDF 120 KB]
This Subpart prescribes rules specifying the maintenance requirements for New Zealand registered helicopters carrying an external load.
Each operator must ensure that the helicopter, including the cargo hook or other similar device required by rule 133.255(1), is maintained in accordance with Part 91 and this Part.
Each operator must ensure that each person certifying a release to service is properly trained and qualified to do so.
(a) Each operator must ensure that external load equipment is—
(1) visually inspected, for signs of distress, within the preceding 50 hours time in service; and
(2) proof loaded to 1.25 times its rated strength within the preceding 12 months or 500 hours time in service, whichever is the sooner.
(b) As an alternative to paragraph (a), an operator may maintain external load equipment in accordance with—
(1) the mandatory replacement times, inspection intervals, and related procedures specified in the manufacturer's maintenance manual or instructions for continued airworthiness; or
(2) a maintenance programme approved under Part 91 or 119.
