Regulation 3 of the Principal Regulations is amended as follows:(a) by omitting the definition of Medical Health and Fitness Order and substituting the following definition:Medical Health and Fitness Order means Marine Order No. 9 (Health Medical Fitness) issued by AMSA;(b) by omitting "Zones D, E and F" from the definition of Port of Launceston and substituting "Zones D and E" ;(c) by omitting the definition of unseaworthy ;(d) by omitting "Launceston;" from the definition of Zone E and substituting "Launceston." ;(e) by omitting the definition of Zone F .