OOOPS! I hit the wrong button here is the rest:

17/18 May 18 DD S-53 badly damaged Bruges possibly 217 Sqn
30 may 4 TBs damged 217 at Zeebrugge or 98 Sqn at bruges
2 jul 18 UB 88 and UB 10 damaged either 38 or 217 Sqns
? Jun 18 DD V-69 V-82 TB A-49 damaged air attack
? Jul 18 DD G-91 badly damged air attack
? Aug 18 DD S-53 G-91 TBA-9 damaged air attack

28 may 18 Zeebrugge lock gate damaged under repair until 4 Jun 18 possibly 217 Sqn

DD destroyer
TB Torpedo boat

sources RNAS Communiques
"Wielding the Dagger the Marine Korp[s fladern and the German war effort 1914-1918