Wiley and parachutes
The very much easier exit in the Halifax was one of the main reasons that most people who flew that aeroplane on Ops preferred it to the much more manoeuverable and better performance , Lanc. There was no huge main spar to climb over if you had to get to the rear of the aircraft and the protection of armour plating was more plentiful and stronger.
I am pretty certain that I have seen, somewhere, the official report that more people escaped from stricken Halifaxes than from Lancs. I know that I much preferred flying a Lanc in peacetime but give me the sturdy old Halifax (Especially the Mk. 111 with Bristol Herc. engines) for OPs. Regle