What is another word for on plane?
Pronunciation: [ˌɒn plˈe͡ɪn] (IPA) 
On plane is a term that's often used in the field of aviation, but there are several other synonyms of on plane that can be used interchangeably to describe the position or status of an aircraft. For instance, the aircraft could be described as level, meaning that it's flying parallel to the ground. It could also be described as in trim, which means that the aircraft is in balance, or in equilibrium. Another common synonym for on plane is in flight, which simply means that the aircraft is airborne and moving through the air. Other synonyms for on plane could include in the air, airborne, aloft, or cruising. All of these terms essentially describe the same concept of an aircraft in motion.
