Well,
We are mainly getting fined by lateral noise reduction route exceedance, however we still do it the same way as before, just follow the FD guidance.
This has not changed.
Although some SIDs have had minor modifications, most of them still remain basically the same, as do our aircraft, however we are getting more and more reports.
Each report is detailed with a lateral ground mapping of the aircraft's real track, compared to the prescribed noise abatement route. The company checks this data against data removed from the aircraft and compares it.
We mainly use NADP 2, however, it might depend on the SID and direction of departure in relation to route direction.
Does anyone use de-rated climb modes as SOPs for noise abatement?
Either the noise pickups are becoming more sensitive, or the tracks are becoming thinner.