Definitely not RP

When I was typing my little RP summary, I was reminded of a joke about it. I am not sure how well it will move from the spoken to the written word, but here goes:
A man enters the RAF recruiting office and asks to sign up. The recruiting officers replies: "First, please say the word "air."
Applicant: "Air"
Officer: "Very good, now say "hair"
Applicant: "Hair."
Officer: "OK, now say "lair."
Applicant(increasingly bewildered): "Lair"
Officer: "Excellent. Now, finally, say all three words together quickly."
Applicant: "AirHairLair"
Officer "AirHairLair, welcome to the RAF!"

Please note: No offence or slight intended to any present or former RAF personnel who may chance to read this.