Commander Abel said he did several passes to try and get one that was acceptable. Until all the complaints came where they decided it was enough. But he said did each pass low, relatively slow, and with the wings swept back so it was near stall.
"It's time to buzz the tower:" Former F-14 RIO Dave "Bio" Baranek explains how legendary Top Gun tower fly-by scene was filmed
theaviationgeekclub.com
“Balancing their kid-in-a-candy-store opportunity with the desire not to mess up, Bozo and Slick made several passes, crossing the airfield around 100 feet above ground level (AGL) or less. Remember, this was their first experience of flying for the cameras and they had relatively little time to mentally prepare for this unusual mission. It was going well; Scott was getting the film he needed, but wanted more passes so he could choose the best. Then the phone calls started. Civilians in communities near Miramar called the base and local news media asking about a ‘berserk F-14 pilot’. When the word got to Smegs, who was with the film crew as usual, he called knock it off. Scott wanted to film the F-14 performing a roll after the flyby, but that was only simulated in the cockpit mock-up.”