“The Seeker Head Trials Platform aircraft” is a specially modified Hunter Trainer designed to accommodate a seeker head in the nose with an instrumented Flight Test Observers station in the right hand seat. Various types of seeker head can be fitted with only minor modification, the mounting assembly being role fit with LRU’s and computers required to run the seeker being mounted on various assembly trays in the forward compartment bay. Current AC capacity from the installed solid state inverter is 1500VA at 115Vac whilst DC capacity is available at 28V (no real limitation). Cooling and other power requirements can be accommodated. The aircraft features a precision glass cockpit navigation system and operates on the UK Military Register.