I don't think the 332's range can do the NRT-MAD polar route back (NRT-ANC-MAD = 86xx mi)....the Hainan is possible but that would be IROPS as those don't have PE, I've not been on but on aerolopa it looks like 2A poor, 4A good, 6A OK, 8A OK. So 6A is still the safest choice...As a frequent JP flyer but rarely to the Americas I'm very happy the NRT route is guaranteed A350, allowing this leve of
micro planning time wasting