Warning Systems Flashcards by Heather Kelly

Recall the conditions that will cause the Intermitten Takeoff Configuration Warning

Trailing edge flaps are not in the flaps 1-25 takeoff range or are in a skew or asymmetry condition, or have uncommanded motion OR
Leading edge devices are not configured for takeoff or uncommanded motion OR
SPEEDBRAKE lever is not in the DOWN position OR
Spoiler control valve is open providing pressurized hydraulic fluid to the ground spoiler interlock valve
Parking brake is set
Stabilizer trim not set in the takeoff (green band)

Memory Aid:
When you roll out onto the runway, throttles go up and the horn goes off.. you have a split second to think (not actually but ok)
SPLTSS
SPLit SecondS

Spoilers
Parking brake
Leading edge devices
Trailing edge flaps
Speedbrake
Stabilizer trim

VOL 2 / 15.2.4.1

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Describe the function of the Stall Warning System “stick shaker”

The stall warning “stick shaker” consists of two eccentric weight motors, one on each control column. They are designed to alert the pilots before a stall develops (is an artificial stall warning device).

Note: The Stall Warning System is armed in flight at all times. The system is deactivated on the ground. (Two test switches are installed on the Aft OVerhead Panel)

VOL 2 / 15.2.4.6

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Describe the symbology and color represented by a TA (traffic advisory) and a RA (resolution advisory)

TA - an amber circle

RA - a red square

VOL 2 / 10.1.14.13 & 10.8.6.9

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Recall the purpose of the GPWS and the types of alerts it provides.

GPWS provides immediate alerts for potentially hazardous flight conditions involving imminent impact with the ground

Note: the alerts are for:
- excessive descent rate
- excessive terrain closure rate
- altitude loss after takeoff or go around
- unsafe terrain clearance when not in the landing configuration
- excessive deviation below and ILS glideslope
- excessive deviation below glidepath

VOL 2 / 15.2.6

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Recall Predictive Windshear (PWS) alerts are automatically available on takeoff and approach

thrust levers set for takeoff, (there is a delay of several seconds for the weather radar to provide PWS alerts) OR
in flight below 1200ft RA

VOL 2 / 15.2.7.2

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Describe the meaning of the terrain alerting colors displayed by the EGPWS and how to display them on the ND

Terrain is displayed by selecting TERR on the EFIS control panel in the MAP, center MAP, VOR or APP modes

dotted green: terrain is below the airplanes current altitude
dotted red or amber: represents terrain conflict
dotted magenta: no terrain data available
solid amber: look-ahead terrain caution active
solid red: look-ahead terrain warning active

VOL 2 / 15.1.8.2

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Describe the indications of Windshear Warning (Airplane in Windshear)

two tone siren followed by “WINDSHEAR”
red WINDSHEAR on both attitude indicators

VOL 2 / 15.2.7.1

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Describe the indications of a Predictive Windshear Alert

PWS WARNING (red):
On Takeoff:
- aural “WINDSHEAR AHEAD”
- red WINDSHEAR on both attitude indicators
- RED windshear symbol on ND
- Red WINDSHEAR message on ND

On Approach: windshear within 1.5NM and directly ahead of the airplane
- aural “GO AROUND, WINDSHEAR AHEAD”
- red WINDSHEAR on both attitude indicators
- RED windshear symbol on ND
- red WINDSHEAR message on ND

PWS CAUTION (Amber)
On Takeoff or Approach: windshear within 3NM and ahead of the airplane:
- aural “MONITOR RADAR DISPLAY”
- RED windshear symbol on ND
- Amber WINDSHEAR message on ND

VOL 2 / 15.2.7.2

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Describe the aircraft Overspeed Warning system

The Mach/Airspeed Warning consists of clackers that can be silenced only by reducing airspeed below Vmo/Mmo

VOL 2 / 15.2.4.4

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Describe the landing gear indicator lights and the Landing Gear Configuration Warning System

Visual indications and aural warnings of landing gear position are provided by the landing gear indicator lights and landing gear warning horn.

Landing gear indicator lights
green light illuminated:
- landing gear is down and locked

red light illuminated:
- landing gear is in disagreement with LANDING GEAR lever position
- landing gear is not down and locked (with either or both forward thrust levers retarded to idle and below 800ft AGL)

Landing gear warning horn:
- a steady warning horn is provided to alert the flight crew whenever a landing is attempted and any gear is not down and locked

VOL 2 / 15.2.4.2.1 & 15.2.4.2.2

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Recall the indications when approaching a MCP selected altitude

Selected Altitude Alert: a white box shows around the selected altitude displayed between 750 ft and 200ft before reaching the selected altitude

Current Altitude Alert: the white box around the current altitude display becomes bold between 750 and 200ft before reaching selected altitude

VOL 2 / 15.1.7

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Recall the indications when deviating from a MCP selected altitude

When deviating by more than 200 ft from a selected altitude, a momentary tone sounds and the Current Altitude box turns amber and begins to flash. The amber flashing continues until:
- altitude deviation becomes less than 200ft or
- a new altitude is selected

VOL 2 / 15.1.7

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Explain the meaning of a TERRAIN or OBSTACLE message on the ND

TERRAIN (amber): look-ahead terrain caution alert active
TERRAIN (red): look-ahead terrain warning alert active

OBSTACLE (Amber): obstacle alert caution active
OBSTACLE (red): obstacle alert warning active

Note: obstacle alerts are provided for man-made obstacles 100ft or higher

VOL 2 / 15.2.6.3 & 15.2.6.1.1

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Describe the TERR (terrain) Elevation display

Located on the lower left-hand corner of the ND. Displays elevation of highest and lowest terrain. The color of the elevation number corresponds to the terrain elevation.

green: terrain is below the airplanes current altitude
Amber or red: represents terrain conflict

VOL 2 / 15.1.8.2

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Explain the meaning of the PSEU (Proximity Switch Electronic Unit)