Continuity mistake: When String and Dominic first look at Airwolf, the cockpit is dark. When they get out of the jeep, the cockpit is lit up with a greenish light.
Airwolf II - S3-E2
Factual error: The computer mistakes a private airplane for a MIG-23, however the picture on the screen of a MIG-23 is completely wrong, it shows a French Dassault Super Mystere.
Answer: No truth serum has proven to make a person tell the truth. Regarding capturing Mace, and forcing him to tell him where St. John is by water boarding him, People subject to torment such as water boarding are not likely to tell the truth, so Mace would probably lie.