Division SPA.HOFO.155 Vibration health monitoring (VHM) systemF1

The following helicopters conducting CAT offshore operations in a hostile environment shall be fitted with a VHM system capable of monitoring the status of critical rotor and rotor drive systems by 1 January 2019 :

1. (1)

   complex motor-powered helicopters first issued with an individual Certificate of Airworthiness (C of A) after 31 December 2016 ;

2. (2)

   all helicopters with a maximum operational passenger seating configuration (MOPSC) of more than 9 and first issued with an individual C of A before 1 January 2017 ;

3. (3)

   all helicopters first issued with an individual C of A after 31 December 2018 .

The operator shall have a system to:

1. (1)

   collect the data including system generated alerts;

2. (2)

   analyse and determine component serviceability; and

3. (3)

   respond to detected incipient failures.