The Corsair had two tubes under each wing while on the ground, then only one tube each side while in flight, and it fired a total of six missiles.
The muzzles of the chainguns on the Airwolf change; specifically they are flared while firing, while being of a straight design while extending from the retracted position.
Robert Villers' Corsair had the big letters, 'NP', painted on its tail. However, no letters appear on the tail of the Corsair when it explodes from being shot by Airwolf.
The cameraman is taking pictures with the lens cap on.
When the welder was killed and dumped into the trash bin the killer picked up two trash cans and dumped the contents using his hands. He wiped the trash bin down but did not wipe his prints from the trash cans he used.
When the Santini JetRanger is surveying the Anderson estate the words "Santini Air" are reversed.
The rocket used by the assassin to destroy the van is clearly wire guided. You can see the wire in the setup before it is actually fired. It is also clearly visible in reflection from the explosive flash.