ACARS doesn't like 3 digit ICAO Nov 5, 2018 22:56:29 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Era_001 on Nov 5, 2018 22:56:29 GMT I learned today that our ACARS doesn't like three digit ICAO codes when doing a manual pirep. To get around this, just add a zero as the fourth digit. (I.E. RDV0)