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 hotthread  Author  Topic: Question concerning XK527  (Read 4011 times)
J Nottingham
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xx Re: Question concerning XK527
« Reply #15 on: Feb 6th, 2015, 9:08pm »

Hello Folks

I've just stumbled over this forum and can answer or clarify a few points (with my one-time HOSM flight test navigator hat on).

The JP233 'whoops' is as described in Gareth J's post. AFAICT the date would have been around 10-11 Jul 1979 as we viewed the hi-res camera films at West Freugh range on the 12th.

Taken from ground level, the films looked quite horrendous, with what looked like XK527's port wing breaking up! Thankfully it was only the dispenser seriously falling apart, plus the pilot tube. (Nobody argues with the milled-from-solid Buccaneer wing and survives...)

The follow-on 'whoops' was that, on 22 Jan, we jettisoned a variant of the JP233 which fitted in the bomb bay. Post-jettison, this one also pitched up and did a back-flip, the nose went back inside the bomb bay, travelled the length of it and thumped the back end of same. The dispenser also fell from together but, apart from some damaged cables in the bomb bay, the Bucc ('Yellow Peril' XW988) was OK. Back to wind tunnel testing...

I think the 3 pikkies of XK527 posted by Simon Rafe on 09/24/2010 would have been taken at the HOSM open day on Sat 20 Jun 1981. A Grand Day Out.

XK527 was carrying 4x Sea Eagle missile 'shapes' (right size, shape, weight, C of G etc) for the carriage trials which were ongoing at the time.

I think the dayglo stuff was either to denote that these were 'Carriage only' stores, or possibly to make them easier to see by the hi-definition cameras at the West Freugh range where we also did the jettison trials.

I've got a 35mm slide of the first 'tethered engine trial' over the range in Cardigoon Bay on 10 Apr 1981. The missile engine was successfully run up, even though the missile was still fixed to the aircraft. (There was no dayglo stuff on this test missile.)

The first Sea Eagle test firing was on 24 Apr 1981, also over Cardigoon Bay.

(If I can work out how to do it, I'll post the the tethered engine trial pikky; also some colour ones of the Open Day pikkies. HTH)


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J Nottingham
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xx Re: Question concerning XK527
« Reply #16 on: Feb 8th, 2015, 6:35pm »

Further to my post above, by coincidence a very similar thread has been added to the Airfield Information Exchange page for HOSM, starting on page 4 (post #33) on http://www.airfieldinformationexchange.org/community/showthread.php?350-Holme-on-Spalding-Moor/page4

So rather than my posting the same pikkies on 2 different threads, please can I suggest you keep an eye on the AIE/HOSM page? You may also find further info about XK527 on it. HTH. smiley
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