TD-422-9au Tekening nr. A 44047; Luchtkamer, rubber, part of D 44034 (WUC 13ABE) TD-422-10a Tekening nr. A 14227; Tailwheel rubber spring load curve, part of 33054 (WUC 13B__) Modificaties Mod.: 67. Fuel indication system, introduction of weatherproof rubber sealing for relay box 6A/BNZ Modificaties Mod.: 69. Jetpipe drainline, intro of a flexible metal hose in lieu of a rubber drain hose between jetpipe and drain-tube Modificaties Mod.: 78/1. Invoering rubber afdichtstrip tussen fillet en binnenvleugel Modificaties Mod.: 83/1en 83/4. Invoering van rubber geleidingsrol i.p.v. Dural geleidingsrol
