Piper PA28, PA32, PA44 Pre 1977 versus Post 1976 December 05, 2019 15:04 Updated If the Main Entry Door (MED) on your aircraft looks like this, then you have a Late Model, post 1976 aircraft. Related articles Original lock was round with 2 flats, my new lock is round with 1 flat Understanding Aircraft Security Keyways Cessna 150/152/172/180 Cabin Door Breakdown The logo on my Nose Baggage Lock is not at 6 o'clock Piper Nose Baggage Airworthiness Directive (AD)
