 The cockpit is situated directly above the engine compartment.While furnished with oxygen apparatus and a Martin-Baker-built ejection seat, the cockpit was unpressurized.Due to its use as a test plane, it was outfitted with extensive test instrumentation, much of the rear fuselage space was occupied by the instrumentation, sensors, and recording equipment; in particular, due to heat concerns, extensive temperature monitoring was carried out at various locations across the airframe.