Product form MD22-406 Indicator (used) $1,000.00 Used: Mid Continent Course Deviation Indicator. p/n: MD222-406, s/n: H12-10344. 2 1/4 inch. Read more Read more Add to cartNot satisfied? Money back Reviews 0 reviews Share with your friends Share WhatsApp Deel X Pin it Messenger Email Description Used: Mid Continent Course Deviation Indicator. p/n: MD222-406, s/n: H12-10344. 2 1/4 inch.