The following is from the "How to play" link under Blue Max on this site:

Retiring with Honor
In some cases, retiring is not a dishonorable decision, expecially after a tough fight. If your plane is in one of the following condition, and you exit the map from the correct side, you'll be considered honorable:
� Almost without fuel, with less than 3 fuel left in your tank,
� Without engine, i.e. engine completely destroied
� Having all your guns destroyed.

He did not meet these criteria yet the site awarded him a honorable retirement. I have played a lot of games here and the instance of someone retiring without honor is very rare. Also TX, 6 feul (how much feul he had before his last move), sitting on your map edge, in a Dr.1 is a lot of feul - it is a very maneuverable plane.

Perhaps you should report it as a bug then. I've always thought the honorable fuel level was 3 or less, not less than 3, which is the way I've seen it done on the site.

At best, he would have had 4 fuel left while turning away from his lines into your stream of bullets. Why should he have done that instead of retiring with honor to his aerodrome? It is really a completely irrelevant example for this thread which was originated as a complaint/criticism of dishonorable exits from the neutral edges of the map.