Well, it seems to me that our ghost from outer space is using this airfield for something else besides haunting.
7 seconds sound clip from Scooby-Doo, Spooky Space Kook (S1E15).
You can hear this line at 00:16:24.979 in the Blu-ray version of the episode.
Quote context
[...]
- Uh-oh. That's not you or me, Scooby.
- Boy, we're sure glad to see you guys. What'd you find out?
- We still don't have any clues as to what that ghost craft is that's flying around in the air.
- Or old Mr. Creepy who keeps popping up all over the place.
- You mean there's gas in the exhaust pipe?
- By golly, it's a clue, all right.
- This motor's been running recently.
- But it couldn't possibly run. It's got 4 flat tires.
- Maybe that's what someone wants us to believe.
[...]