Originally Posted by
dual land
I found this from Japan's country RAR's in Lido:
3.94.7.3. Strategic Lateral Offset Procedure (SLOP)SLOP shall only be applied in the oceanic control area over the Pacific Ocean within the Fukuoka FIR.
Likely because China often assigns a SLOP, so they accommodate incoming traffic from China. Once I had China assign me a 30 mi offset!