69-15-09 CESSNA: Amdt. 39-797 applies to Models 310, 310A thru 310F, 320 and 320-1 Airplanes (All Serial Numbers).
Compliance: Required as indicated, unless already accomplished.
To prevent fuel starvation during high angle descent, accomplish the following:
(A) Effective immediately, operation of the airplane with less than five (5) gallons of fuel in each main tank is prohibited.
(B) Prior to further flight on all models listed above, install a permanent type placard in full view of the pilot as near as possible to the main fuel quantity indicator with the following wording: "OPERATION WITH LESS THAN FIVE (5) GALLONS OF FUEL IN EACH MAIN TANK IS PROHIBITED. USABLE FUEL IN EACH MAIN TANK IS 45 GALLONS."
(C) Prior to further flight on all models listed above, install a permanent type placard in full view of the pilot as near as possible to the manifold pressure gauge with the following wording: "MAINTAIN POWER WITHIN GREEN ARCS DURING DESCENT"
NOTE:The operator may make and install the above placards. Minimum 1/8 inch high letters must be used.
This amendment becomes effective July 25, 1969, for all persons except those to whom it was made effective by letters dated July 9 and July 15, 1969.