Hot Lips and Empty Arms - S2-E14
Continuity mistake: When Margaret is seen drunk in Henry's office it is daylight outside. Radar brings news of incoming casualties so they rush outside where it is pitch dark. (00:20:00)
Hot Lips and Empty Arms - S2-E14
Continuity mistake: Margaret is in Henry's office drunk and she tells Henry that he looks just like her father did before he died. In Season 9. Episode 4 "Father's Day" Margaret's father, Alvin 'Howitzer' Houlihan, visits her at the 4077.
Hot Lips and Empty Arms - S2-E14
Visible crew/equipment: When Margaret walks into Henry's office while Trapper, Henry, and Hawkeye are watching a "training film," the actor's chalk T-mark can be seen on the floor.
Hot Lips and Empty Arms - S2-E14
Other mistake: While trying to sober Margaret up, you can see Trapper's clothing wet in spots where she hung on to him in previous takes.
Hot Lips and Empty Arms - S2-E14
Continuity mistake: In Henry's office, Margaret has pins in her hair over her ears. When she comes out to see Henry, the pins are gone.
Hot Lips and Empty Arms - S2-E14
Continuity mistake: When Margaret comes into Henry's office, interrupting the "training film" Hawkeye's part flips from being on the left to the right and back.
Answer: The C-42 was a military variant of the Douglas DC-2. Very few C-42's were built, so it's questionable that Potter would specifically have seen that particular model, but, given his military background, it's not entirely unreasonable that he might use the military designation even when the aircraft in question is actually a civilian DC-2.
Tailkinker ★