Use "overfly" in a sentence

1. If a spot turned hot, we'd overfly it frequently.

2. Thunderstorm ahead ( on my way ), climbing to 10000 m to avoid ( overfly ) the storm.

3. MONUC aircraft often overfly and land in Abidjan either en route or during refuelling stopovers.

4. • Refusal of the pilots involved to contact the control towers or aviation authorities of the countries they overfly