Systems Ch. 11 Ice and Rain Protection

  1. What is required for the Saab to be dispatch into known icing conditions
    All ice protection systems must be operable
  2. Can the Saab be dispatched into icing conditions with side windshield inop
    Yes, if only one side window heat is INOP there is MEL relief
  3. Which electrical ice protection system is NOT powered by the AC Generator
    Standcy Pitot heat
  4. What powers the Standby Pitot heat
    Right Essential Bus
  5. How long does it take for the standby pitot to reach full operating temperature
    At least 5 minutes
  6. What is powered automatically when the 1st AC GEN comes online
    Main Pitot tubes, temp probe, AOA vanes
  7. What is the power source for the OAT probe
    115 V AC generator
  8. Is there a pilot controlled switch for the OAT probe
  9. When is the OAT probe heated
    From the time the gear is retracted till landing
  10. When is power supplied to the AOA vanes for heating
    As soon as an AC generator is online
  11. What is the power source for the windshield heat
    115 Volt "wild" frequency bus
  12. What powers the 115 Volt "wild" frequency bus
    AC Generator
  13. What is the time limit for side windshield heating
    Operate in NORM for 7 minuts before selcting HIGH
  14. What is indicated by an illuminated L/R SIDE or L/R FRONT lights
    Either an overheated windshield or a controller fault
  15. If power is interrupted to a windshield causing a FRONT/SIDE light to illuminate, will the light extinguish when power is restored
    No, the switch must be turned off and then back on again to reset the system
  16. What does the AIR SUPPLY switch control
    Controls a shut off valve to allow bleed air to the boot system
  17. What stage does the beeld air for engine anti-ice come from
    5th stage
  18. When deflated what holds the boots "down" tight to the wing
    Vacujm pressure
  19. What items use Bleed Air for Ice protection
    Boot De-Icing, Engine split lip, engine guide vanes
  20. What order are the boots cycled in one cycle
    Stab, outboard wing, inboard wing, stab
  21. Will the deice boots inflate with both bleed valves closed
  22. Will boots inflate with H/P valves closed
  23. Can boot inflation be monitored
    Yes, by watching the boot indicator lights
  24. How often are the boots cycled when operating in "CONT"
    Every 3 minutes
  25. Does the CWP ICE PROT light illuminate with all the icing systems
  26. What is indicated by an illuminated DE-ICE OV TEMP light
    An over temperature has been noted in the boot system (Over 150C)
  27. What is indicated by an illuminated TIMER light
    The de-ice timer valves are malfuctioning
  28. Can the pilot manually de-ice just the wings
  29. Can the pilot manually de-ice just the stabalizer
  30. How can the pilot de-ice just the outboard wing section
    By pressing and holding the outboard push button for 6 seconds
  31. Why are HP valves kept in AUTO during flight in icing conditions
    To ensure proper boot inflation at low power settings
  32. What is indicated by an illuminated blue ENG ANTI-ICE light on the status panel
    The associated Engine Intake switch is on
  33. Does the blue ENG ANTI-ICE status panel extinguish with a failure of the Intake heat
  34. Which light on the staus panel does NOT indicate system working properly
  35. Which ice protection system can not be trasferred to the opposite side AC GEN
    Engine intake heat
  36. How is the inlet lip heated 
  37. How are the inlet frame vanes heated
    Engine oil
  38. How is the splitter lip and guide vanes heated
    Bleed air
  39. What controls bleed air to the splitter lip and guide vanes
    Anti-Ice start bleed valve (AISBV)
  40. What is indicated by an illuminated L AIR VALVE light
    Associated Air valve is not positioned properly
  41. What is indicated by an illuminated INTAKE light
    Intake heat has failed or lost one or more phases
  42. Is prop ice protection used as a de-ice or anti-ice system
  43. When is Prop De-Ice turned on
    When ice accretion is observed and SAT is -5C or colder
  44. What temperatures is NORM used for prop de-ice
    -5C to 12C
  45. At what temperature does prop de-ice switch to MAX
    Colder than -12C with ice accretion
  46. Why is it important to operate the props only after ice accretion
    To avoid "run back" ice
  47. What is "run back" ice
    Ice that melts and refreezes on the unheated section
  48. How much thrust is lost with "run back" ice on the props
    Up to 30 percent of thrust
  49. Can the MAX mode be used between temperatures of -5C and -12C
    Yes if the propeller vibrations occur MAX can be used up to -10C until vibrations dissipate
  50. What is the procedure for switching from NORM to MAX on prop heat
    Turn switch off before switching to MAX to avoid nuisance cautions
  51. Which Ice protection systems have a Flight Status panel light
    Prop De-Ice, and Engine Intake
  52. What does an illuminated blue PROP DE-ICE light on the status panel indicate
    Prop de-ice is on and working properly
  53. What is the difference between the Engine and Prop status panel lights
    Engine indicated on only and the prop indicates on and working
  54. What is indictated by an illuminated L AC GEN light
    Left AC GEN is not supplying power
  55. What is indicated if a PROP DE-ICE status light is extinguished
    Either the switch is turned off or the system malfunctioned
  56. What are the cycle times in NORM for Prop De-Ice
    • 11 seconds on
    • 79 seconds off
  57. What are the cycle times in MAX for Prop De-Ice
    • 90 seconds on
    • 90 seconds off 
  58. What is indicated with an illuminated PROP light on the overhead panel
    Associated prop de-ice system is malfunctioning
  59. What is indicated by an illuminated STBY PITOT light
    Standby pitot is not powered
  60. What is the purpose of the Park system on the windshield wiper
    To return the wiper to the stowed position
Card Set
Systems Ch. 11 Ice and Rain Protection
Ice and Rain Protection