The Sun 'n Fun Fly-in procedures outline essential guidelines and regulations for pilots attending the event at Lakeland Linder Regional Airport from March 30 to April 6, 2014. Key points include adhering to ATC instructions, displaying parking signs on aircraft windshields, and following specific VFR arrival and departure procedures, especially during busy airshow times. Pilots are advised to check NOTAMs frequently for any temporary flight restrictions and airport closures throughout the event.