Congratulations to David Polley, the head of Davy Jones Tech, who has recently completed several levels of CCR instructor courses. Now DJL can teach on the following units, AP Inspiration classic, AP Inspiration Vision and also the new highly regarded Poseidon MK VI recreational rebreather, the first CCR unit PADI have allowed to be used to teach mans health recreational rebreather courses with. Fil, the examiner came from Australia to supervise David teach a tester student on various units, and also giving academic presentations. He passed his instructor level on all the units with flying colours, and is now ready to teach some rebreather courses!!