<Li> For the purposes of this section , critical phases of flight includes all ground operations involving taxi , takeoff and landing , and all other flight operations conducted below 10,000 feet ( 3048 meters ) , except cruise flight . </Li>
<Li> For the purposes of this section , critical phases of flight includes all ground operations involving taxi , takeoff and landing , and all other flight operations conducted below 10,000 feet ( 3048 meters ) , except cruise flight . </Li>
when do far 135.100 and far 121.542 require a sterile cockpit
when do far 135.100 and far 121.542 require a sterile cockpit
all ground operations involving taxi , takeoff and landing all other flight operations conducted below 10,000 feet ( 3048 meters ) , except cruise flight
all ground operations involving taxi , takeoff and landing all other flight operations conducted below 10,000 feet ( 3048 meters ) , except cruise flight