From AIP AD
Centreline 30m long then 30m gap. For any runway whose width is 18m or greater, irrespective of international/domestic.
Checked Manual of Standards Part 139, didn't find the physical characteristics of the piano keys.
btw if anybody needs a CPL pilot, let me knw. i jst finished CPL on BE-76. 180hrs total time. want to build more time.
cheers
