Inaccurate performance data for BOB fighters in COD comparing to RL data

[41Sqn_Banks]

Originally Posted by Crumpp

The picture becomes much clearer as to why in June of 1940, the Spitfire Mk I Operating Notes, paragraph 1 were not updated to reflect the ability to use 100 Octane fuel operationally.

You are wrong in 2 ways.

1. There was no Section 2 Paragraph 1 "Operating Notes" in June 1940. This was changed later, probably in late 1941. Section 2 Paragraph 1 looked like this:



2. 100 octane fuel was cleared for operational and non-operational flying by A.L.2 for Section 1 (which is dated May 1940 and way before June 1940):