Aircraft being operated under IFR are required to have, in addition to the equipment required for VFR and night, at least

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(Refer to figure 91.) What are the oxygen requirements for an IFR flight eastbound on V520 from DBS VORTAC in an unpressurized aircraft at the MEA?

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What minimum conditions are necessary for the instrument approaches required for IFR currency?

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What are the minimum fuel requirements for airplanes in IFR conditions, if the first airport of intended landing is forecast to have a 1,500 foot ceiling and 3 miles visibility at flight-planned ETA? Fuel to fly to the first airport of intended landing,

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(Refer to figure 29.) What are the hours of operation (local standard time) of the control tower at Eugene/Mahlon Sweet Field?

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