Alternatively: in the pre-low level days the crew did a PD to Yeovilton, one of their dispersals. The plotter was a bit grumbly but they did a circuit and departed.
"What heading Plotter?"
Silence.
After some promoting the Radar said the plotter was sitting down by the door, bag packed and Hat on.
?????
"He says he only does one climb and descent per sortie"
So, 4 man crew and one pax on return to Coningsby.