PR XI
Engine: Merlin 61, 63, 63A, 70
Wing: D
Cameras: Fuselage cameras of the PR IV and later in a blister under each wing
Notes: The PR XI had leading-edge wing tanks with a capacity of 133 gallons in addition to the fuselage tanks and external drop-tanks. Fully tropicalised, it could serve in all theatres and was the main RAF PR variant in the second half of the war. It had a retractable tail wheel and later models had an enlarged rudder to improve longitudenal stability.