ergonomic assessment
Means they need to check if you will fit...
Training aircraft are not all the same and some of them..well..they're tight even if your 1.70 and 70kgs.
Piper and Cessna 4-seater aircraft tend to be a little more forgiving towards the taller crowd.
Diamond aircraft can be an issue on either leg length for the instrument panel or torso length for issues with the canopy.
Airline pilot seats are adjustable in every which way and shouldn't be an issue.
Cockpit Design and Human Factors - AviationKnowledge
As long as you can adjust your seat to they Eye Reference Height you're ok.
That's what the two orange balls in the middle are for.
For giggles, fighter aircraft tend to have strict height limits because of the ejection seat....don't want to leave everything below your knees behind
