Saki says that twelve planes left on the "Devil's Mouth" sortie, but only two (Mick and Shin) came back. Yet Bucksey and Greg were in the briefing for this mission, and are also alive at the end of the sortie.
In many scenes, the time of day changes around randomly, sometimes even in the same scene. This is particularly noticable in Act I when Shin and Mick return from the mission in which Boris died.
Bucksey is shot down and killed in Act II on the flight in which he has Rocky as his passenger. Yet Bucksey's Phantom can be seen fighting against the Wolf Pack at the end of the act.
Shin Kazama entered service with Aslan in April 1979 (according to the contract he signs), yet nine months later, it's April again, identifiable by Shin's dialogue on how long he has been fighting and the date he marks off on his calendar.
Kanzaki is called "Captain Kanzaki" throughout the series, but in his pilot uniform bears the insignia of a co-pilot or first officer.
Mick Simon's plane of choice in most of the series is an F14 Tomcat. This type of plane requires a RIO (Rear Intercept Officer), yet Mick obviously doesn't have one flying with him.
Many of the planes are drawn with a blue light on their right wing. This light is supposed to be green.
By law, when an actor portrays military personnel in a movie or TV show they are required to be what the military calls "out of uniform". For example, ribbons or medals out of order, or improper insignia on clothing or hats. This is so that technically they are not impersonating military personal.
The series is set in 1979-1982, yet the F18 Hornet appears. It didn't enter service until 1983.
The secretary at Yamato Air Lines is typing on a computer, but the sounds are from a mechanical typewriter.