15 - Warning Systems

Question 1

1. When does the MASTER CAUTION light illuminate?

Answer 1

When a caution occurs outside the normal field of vision of the Flight Crew

Question 2

2. What color lights require immediate attention of the Flight Crew?

Answer 2

Red

Question 3

3. What color lights require timely attention of the Flight Crew?

Answer 3

Amber

Question 4

4. How do Master Caution System alerts differ between single/simple and dual-channel
   faults?

Answer 4

Single/simple faults do not illuminate the System Annunciator nor MASTER CAUTION lights

Question 5

5. What is the lowest elevation, relative to the aircraft, that red indicates on the terrain
   display?

Answer 5

More than 2000 ft above

Question 6

6. The FLAP INHIBIT switch is used to inhibit which GPWS callout(s)?

Answer 6

TOO LOW FLAPS

Question 7

7. When is the “500” RA callout provided?

Answer 7

-An approach other than ILS, or
-More than 2 dots off LOC or GS, or
-Backcourse approach

Question 8

8. What is the reactive windshear alert provided by the GPWS?

Answer 8

Aural warning “Windshear! Windshear!” and red “WINDSHEAR” displayed on both PFDs

Question 9

9. What does an amber ROLL/YAW ASYMMETRY on the PFD indicate?

Answer 9

The autopilot has reached 75% of its total roll authority

Question 10

10. How is the radar selected on?

Answer 10

By selecting WXR on the EFIS control panel

Question 11

11. What is provided when WX+T is selected on the Radar control panel?

Answer 11

displays weather radar returns and turbulence (manual mode) or weather radar returns and threats (auto mode); turbulence is displayed out to 40 nm for all selected ranges

Question 12

12. What type of windshear warning(s) does the weather radar provide?

Answer 12

Predictive

Question 13

13. Is radar turbulence detection capable of detecting clear air turbulence?

Answer 13

No, Flight Crews must continue to rely on traditional windshear avoidance methods as the weather radar is not capable of supplying predictive windshear in clear air.

Question 14

14. How long after activation does the PWS take until cautions or warnings can be provided?

Answer 14

Approximately12 seconds

Question 15

15. How is the Predictive Windshear System (PWS) activated?

Answer 15

• Thrust levers set for takeoff
  Or
• Pushing the WXR switch on the EFIS control panel

Question 16

16. What is the aural alert for a PWS Caution?

Answer 16

“WINDSHEAR AHEAD” during takeoff, below 1200 ft RA, close to and directly ahead
“GO AROUND, WINDSHEAR” during approach, below 1200 ft RA with windshear detected within 1.5 miles and directly ahead
“MONITOR RADAR DISPLAY” during takeoff and approach, within 3 miles and ahead

Question 17

17. How is the Runway Awareness and Advisory System (RAAS) activated?

Answer 17

RAAS operates without any actions required by the Flight Crew.
-Terrain/runway contained in the EGPWS db
-GPS available
-RUNWAY INHIBIT switch in NORM

Question 18

18. How are Resolution Advisories (RAs) displayed on the PFD?

Answer 18

Solid red box on ND

Question 19

19. What is the indication of a Traffic Advisory (TA)?

Answer 19

Amber dot on ND

Question 20

20. What is the difference between the amber MAINT light on the aft overhead panel and the magenta MAINT box on the MDS SYS page?

Answer 20

The amber MAINT light on the aft overhead panel indicates a system fault exists that must be reviewed by maintenance
The magenta MAINT indication, visible on the top right of the DU, when SYS switch is selected on the ground, is normal and not an indication of a malfunction