Under which condition may a cellphone be used during flight?

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Multiple Choice

Under which condition may a cellphone be used during flight?

Cellphone use in flight is generally not allowed because any wireless device in the cockpit can potentially interfere with avionics and distract from flying. The only situation where it’s acceptable is when the airplane is on the ground, parked, and the engine is off. In this condition, there’s no active flight operation and no risk to navigation or communications systems, so a handheld device can be used safely. The other scenarios aren’t appropriate because in-flight navigation updates or casual texting would rely on cellular networks that don’t operate at altitude, and using a phone during cruise would introduce distraction and potential interference. Taxiing on the runway still demands full attention to aircraft control and ground operations, so phone use isn’t appropriate there either.

Cellphone use in flight is generally not allowed because any wireless device in the cockpit can potentially interfere with avionics and distract from flying. The only situation where it’s acceptable is when the airplane is on the ground, parked, and the engine is off. In this condition, there’s no active flight operation and no risk to navigation or communications systems, so a handheld device can be used safely.

The other scenarios aren’t appropriate because in-flight navigation updates or casual texting would rely on cellular networks that don’t operate at altitude, and using a phone during cruise would introduce distraction and potential interference. Taxiing on the runway still demands full attention to aircraft control and ground operations, so phone use isn’t appropriate there either.

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