Q&A · 3:25:41-3:26:49

HMS Dasher and American aviation-fuel systems

A carrier-safety answer explains how an incorrect assumption about allied construction standards became a fleet-wide modification lesson.

Question

Should the Royal Navy have avoided the loss of HMS Dasher after earlier carrier disasters?

Short answer

Dasher was an early American-built Avenger-class carrier whose fuel system Britain initially assumed was adequate; afterward it rebuilt the systems in every similar ship it received.

Notes

Dasher was among the early U.S.-built escort carriers accepted quickly because Britain urgently needed hulls. The Royal Navy assumed the American aviation-fuel arrangement offered protection comparable to its own, an assumption later experience disproved. Subsequent ships had their fuel-management systems rebuilt, and American observers eventually recognized the value of the more cautious British practice.