I remember seeing a film in probably the 60's or 70;s.the plot was,plane crash in jungle,?

i remember seeing a film in probably the 60's or 70;s. the plot was, plane crash in jungle, survivors included an old couple, a convicted prisoner and his police guard, the pilot and possibly a few others. basically as i recall, they fixed the airplane, cleared a makeshift runway, but had to leave some... show more i remember seeing a film in probably the 60's or 70;s.
the plot was,
plane crash in jungle, survivors included an old couple, a convicted prisoner and his police guard, the pilot and possibly a few others. basically as i recall, they fixed the airplane, cleared a makeshift runway, but had to leave some survivors behind as it couldn't take off due to the weight with all on board. i think the old couple stayed behind, i think they were left with a gun with one bullet only. it ended the plane took off and in the jungle was a single gun shot

it's driving me mad trying to remember the name
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