777 Tech Paper 3B & 4A

What occurs when engine anti-ice is operating?

• Probe heat switches from reduced to full power

• Approach idle is selected

• The ENGINE ANTI-ICE ON memo message displays

• The backup window heat system operates

How are the probes heated?

• Electrically in automatic mode only

• Electrically in automatic and manual mode only

• Pneumatically in automatic mode only

If the right wing anti-ice valve fails to open when commanded to open, the left valve will

• Close automatically. This occurs if the WAI selector is at AUTO

• Close automatically. It does not depend on whether the WAI selector is at AUTO or ON

• Remain open.

When taxying in icing conditions, with the engine anti ice (EAI) switches in AUTO,

• The EAI valves open automatically.

• The EAI valves remain closed.

What does EICAS message ANTI-ICE WING mean?

• One or both WAI valves have fail closed.

• WAI operative

When is WAI inhibited when TAT >10C?

• WAI inhibited for 5mins regardless of selector position

• When TAT is above 10°C and after takeoff for 5 mins.

• When in auto mode WAI is inhibited for 10mins but not inhibited if turned On

• Automatic WAI is inhibited when within 10 mins from takeoff, 5 mins for manual.

Is your bank angle limited to 20° when LNAV is engaged and BANK LIMIT selector is set to the 20° position?

• Yes

• No

Is your bank angle limited to 15° when the TRK SEL mode is engaged and the BANK LIMIT selector is set to the 15° position?

• Yes

• No

When is TOGA armed? Select all that are true.

• When flaps are extended & G/S Captured

• When the landing gear is down

• When below 1500 feet RA

Inflight, G/A mode is armed when:

• Flaps are extended or at G/S capture.

• Push TO/GA