Turbulence

• Anticipated: forecast by weather reports

  on-board radar detects certain clouds

  reports of turbulence from other aircrafts
• Unanticipated: no warning

  could be due to irregular atmosphere conditions (clear air turbulence)
• Procedure:

  1. stop service
  2. check passenger seat belts
  3. secure loose items
  4. stow carts
  5. stow hot liquids
  6. pass cabin secure checks to FSM on inter phone
• Light turbulence:

  liquids shaking but not splashing

  carts can be manoeuvred with little difficulty

  slight strain on seat belt

  FSM makes PA
• Moderate turbulence:

  liquids splashing out of cups

  carts difficult to manoeuvre

  difficult to walk or stand

  definite strain on seatbelt

  discontinue service

  check seatbelts on way to crew seat

  Flight crew makes PA
• Severe turbulence:

  items falling

  walking impossible

  violently forced against seat belt

  
  

  service discontinued

  Take nearest seat

  flight crew make PA