how do you compute landing distance for a cessna 172 short field landing when all performance data charts in poh say flaps 40 degress and air craft you are given has flap slector switch has been altered to only allow 30 degrees of flap.
how do you compute landing distance for a cessna 172 short field landing when all performance data charts in poh say flaps 40 degress and air craft you are given has flap slector switch has been altered to only allow 30 degrees of flap.