(d) Turn the selector switches ON for tank(s) to be dropped.
(e) Press the release button when flying at an angle not greater than 30.degrees from the horizontal.
(f) Full fuel tanks may be dropped without danger at airspeeds up to 400 mph. Empty 150 gallon
tanks should be dropped only while flying at an airspeed of 160 mph or less. On late airplanes,
dropable tanks are equipped with displacement struts which increase the safe dropping speed to
350 mph.
WARNING:
EMPTY 300 GALLON TANKS ARE TO BE DROPPED ONLY IN AN
EMERGENCY as the tanks may hit the airplane when released. To drop the tanks, it
is necessary to slow the airplane down to 120 mph with landing gear and flaps up to
avoid serious damage.
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