If Bunker Apple Sky [...+1] =. CBZT=
https://assets.publishing.service.gov.uk/media/5422f1e340f0b613460003ef/Pegasus_Quik__G-CBZT_10-13.pdf
refers to a Aircraft Accident at Wshott Airfield, Northumberland
Then, it seems like the crash was initiated (and known to Q) since that stringer was given to us before the crash. Does this make sense, and if so, what does it mean?