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According to my reading of the SI for XX177 (Red Arrows, Scampton, November 2011) the Board had trouble locating any valid Safety Case for the Hawk T1/T1a - either for the seat or for the whole aircraft, and difficulty with proper records for a lot of other stuff too.
The SI for XX204 (Red Arrows, Valley, March 2018) didn't seem to mention 'Safety Case' but reported irregularities with the RTS and difficulty in obtaining important documents, or non-retention thereof, from the various organisations with airworthiness fingers in the Hawk pie.
Ignoring the absence of a gas shackle, it seems that there may still be unresolved maintenance issues with the Mk 10B seat, for instance -
- Do they still do seat maintenance in-aircraft, that should be done in the Seat Bay ?
- Are they still working to RTI 059 ?
- Do they still re-use old nuts and bolts?
- Do they still talk the torque on the drogue shackle bolt ?
And considering the whole aircraft including the seat -
- Is there now a valid safety case and fully updated and accurate RTS ?
- Do previously identified irregularities still exist ?
- What mandatory training is now given to travelling engineers and casual passengers ?
- Would any of these irregularities repeat themselves if there were to be another crash ?
Is any of the above reflected in the abrupt decision to stop flying the seventy or so Hawk T1/1a (except for RAFAT) from April 1st 2022 ?
Does anyone know any better ?
LFH
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