1200 is VFR, which generally means “I’m flying visually and don’t need ATC help”. If you’re squawked 1200 you show up as VFR on their screen, but you still show up. That doesn’t mean null. 7500, 7600, and 7700 are used…
1200 is VFR, which generally means “I’m flying visually and don’t need ATC help”. If you’re squawked 1200 you show up as VFR on their screen, but you still show up. That doesn’t mean null. 7500, 7600, and 7700 are used…