The co-pilot put his hand successively on two controls.

“Off.”

“Spark advance?”

The co-pilot moved his hands.

“Take-off and climb?” said the co-pilot.

“Blowers?”

“Low.”

“Fuel selectors?”

The co-pilot moved his hands again to the appropriate controls, verifying that they were as he reported them.

“Main on,” he said matter-of-factly, “crossfeed off.”