Course- if youre flying field is around 10000' - weight and power are issues- When ever it's over 23 degrees F the plane thinks it's even higher than 10000' I have 2 fields one at home in Cripple Creek ( 9494') and one in Milwaukee ( 723') Leadville is ht e highest paved aiport in North America 9927' the town is over 10000' surrounded by 14400'+ mountains! - God I miss home!