PJ2 True, the ICAO Flight Plan......... SALPU at which a climb to FL370 was flight planned, with the Mach remaining at M0.82,
UN873 SALPU/M082F370
beside the missing ATC clearance to deviat.... if you follow the plan and do the climb from F350 to F370, with how much pitch would you normal do the climb?
and at what place behind SALPU did they start their climb?