NetJets Longitude 700 Practice Test

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Describe the usual anti-ice and de-ice operations for the Longitude 700 in icing conditions.

De-ice only if there is visible frost

Do nothing and continue

Activate wing and engine anti-ice per icing conditions; use bleed-air or electric heating as configured; verify surfaces remain clear before takeoff

In icing conditions, you prevent ice from forming on critical surfaces and verify the system is actively protecting those surfaces. For the Longitude 700, the usual approach is to activate wing and engine anti-ice in accordance with the icing conditions, using bleed-air or electric heating as configured, and then confirm that the surfaces remain clear before takeoff. This proactive anti-ice setup is essential because it prevents ice buildup during flight, not just after it has already formed. Relying only on a ground weather briefing or performing de-ice after ice has formed is inappropriate, since ice can accumulate quickly and affect aerodynamics and engine performance. De-icing is used to remove ice that’s already accumulated, but is not a substitute for anti-ice during flight.

Rely on weather brief on ground only