Weight is an important factor in calculating max FL's. As there is reference to Ryanair I wonder which standard weights they use after their change of policy regarding hand/hold luggage.
A rough estimate:
Operator's are allowed to use 84 kg (charter flights even a lower 78!) if no male/female distinction can be made. Standard luggage weights may be as low as 13 kg a piece if no actuals weights are available. Make a rough calculation for yourself how much a full loaded -800 (186/189 pax) can be off actual weights if these figures are used.....
Try and add 3 ton to your actual weight if at FL 360/370 and see how much MAX ALT changes
This is not intended for Ryanair bashing, just for awareness
p.s. Note the blocked red line on the speed tape. Try to stay in the black area between the red blocks. You should be safe there
