No pilot may act as pilot in command of an aircraft under IFR or in weather conditions less than the minimums prescribed for VFR unless that pilot has, within the preceding 6 calendar months, completed at least

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(Refer to figure 89.) What are the oxygen requirements for an IFR flight northeast bound from Bryce Canyon on V382 at the lowest appropriate altitude in an unpressurized aircraft?

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An instrument rated pilot, who has not logged any instrument time in 1 year or more, cannot serve as pilot in command under IFR, unless the pilot

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Who is responsible for determining that the altimeter system has been checked and found to meet 14 CFR part 91requirements for a particular instrument flight?

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If an unpressurized aircraft is operated above 12,500 feet MSL, but not more than 14,000 feet MSL, for a period of 2 hours 20 minutes, how long during that time is the minimum flightcrew required to use supplemental oxygen?

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