One method to descend from cruise altitude in VNAV PTH is entering a lower altitude in the MCP and selecting ALT INTV. What is the result?

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Multiple Choice

One method to descend from cruise altitude in VNAV PTH is entering a lower altitude in the MCP and selecting ALT INTV. What is the result?

Entering a lower altitude and selecting ALT INTV activates an intermediate descent leg in VNAV PTH. The aircraft will descend at about 1,000 feet per minute toward the chosen altitude or until it intercepts the VNAV path, whichever comes first. This provides a controlled, predictable transition from cruise, allowing VNAV to take over once the aircraft is on or near the vertical path. If the aircraft reaches the selected altitude before intercepting the path, it will level off and continue following VNAV as planned. The expected behavior is a steady 1,000 fpm descent rather than an immediate or much faster rate, and not no change.

Entering a lower altitude and selecting ALT INTV activates an intermediate descent leg in VNAV PTH. The aircraft will descend at about 1,000 feet per minute toward the chosen altitude or until it intercepts the VNAV path, whichever comes first. This provides a controlled, predictable transition from cruise, allowing VNAV to take over once the aircraft is on or near the vertical path. If the aircraft reaches the selected altitude before intercepting the path, it will level off and continue following VNAV as planned. The expected behavior is a steady 1,000 fpm descent rather than an immediate or much faster rate, and not no change.

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