Trip-Six Trap

Published in Flying Aces, April 1939.
"First, a plane crash in Seattle, 2,000 miles away! Was there some sinister, devilish relation between them? That question burned in the mind of Richard Knight, fugitive agent. But now a Coast Airline DC-3 - the very ship he himself had attempted to board - was diving past his speeding Seversky. And at one of its windows, a start white face was pressed against the glass - a gaunt visage which in the next instant became a grinning skull!