When Sophie is changing into heels outside of the Crab-A-Rama she takes the money from Parker, the phone from Eliot and then the money from Parker again when the angle changes.
When Hardison goes to enter the airport tower the first time by swiping the ID card, the card reader blinks red and a recording asks for a PIN number. When he comes back later knowing the PIN, after the swipe there is no red light or recording.
When Hardison enters the control tower, he sits down at a controller's station and starts to issue orders. Controllers have specific sectors assigned to them. It requires an out-briefing before handing control over. Additionally, the tower supervisor would know any controller that is working under him on an assigned shift.
Flight crews and airport workers are shown simply walking through the security area. All persons entering the SIDA (Security Identification Display Area) must pass through the metal detectors and their luggage x-rayed.
The team steals a number of Airport ID badges and use them to enter secure areas of the airport. All areas within the SIDA (Security Identification Display Area) require not only a badge, but also a PIN to be entered to gain access.
The on-screen title states "Cincinnati Metropolitan Airport". The actual name of the airport is "Cincinnati/Northern Kentucky Airport".
The plane Hardison talks to is flying in from Madrid. There are no direct flights from Madrid to Cincinnati.
Hardison clears the incoming international flight to land on Runway 18. Cincinnati airport has three north/south parallel runways: 18R, 18C and 18L. The pilot would expect a specific runway clearance, and would not just take "Runway 18" as a landing clearance.
At the time this was filmed and aired Cincinnati was not running a heart transplant program. They discontinued their program in 2008 and did not start again until 2016.