联邦航空局认为，将货机飞行员也包括在内，将会增加实施这些变革的成本。货机是航空业的一大组成部分。

FAA determined that including pilots who fly cargo planes—a large segment of the aviation industry—would add too much to the cost of implementing the changes.

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Piccard先生的太阳脉冲号有超过63米的翼展，这和空中客车的干线客机A340大小差不多，但它的碳纤维机身只有容纳一位飞行员的空间。

Mr Piccard’s Solar Impulse has a wingspan of just over 63 metres, similar to that of a giant Airbus A340 airliner, but its carbon-fibre fuselage has only enough room for one pilot.

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这名飞行员仅有不到一千小时的飞行时间，而在美国，大航空公司的新飞行员的飞行时间通常在四千小时左右。

The 26-year-old pilot had less than 1,000 flying hours. In the United States, new pilots at major airlines typically have about 4,000 flying hours.

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