Which preposition to use with volplanes

toward Occurrences 2%

Others in long slants volplaned toward the hidden sea, miles below the cloud-plain.

across Occurrences 1%

We were trying to volplane across a forest in the distance when suddenly I felt the machine give a jump.

to Occurrences 1%

"If the motors go back on us we'll be in a bad fix; and volplaning to the ground isn't always as easy as it's pictured, especially when you've no choice of a landing.

Which preposition to use with  volplanes