This SCHEMPP-HIRTH FLUGZEUGBAU GMBH DUO DISCUS airframe/engine combination has 9 current type-applicable Airworthiness Directives (9 airframe, 0 engine) and 0 historical. AD applicability is type-based — compliance status for N990DD must be verified against the aircraft maintenance logbooks.
Search FAA DRS for applicable ADs →N990DD is one of 2 SCHEMPP-HIRTH FLUGZEUGBAU GMBH DUO DISCUS aircraft on the U.S. registry · fleet median year 2025.
5 possible NTSB record matches for N990DD — see verification below.
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