nose-dive –n. to drop suddenly with the front end pointing toward the ground

cockpit –n. are in an airplane where a pilot sits

aviation –n. related to flying vehicles such as airplanes and helicopters

stall –v. to stop flying suddenly because of a loss of lift

regulators –n. government officials who enforces laws and rules

manually –adv. operated by a person, not automatic

sensor –n. a device that senses heat, light, sound, force or other things electronically
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