At the given co-ordinates, there is a plaque attatched to the fence of the Burgoyne Hotel, just to the right of the gated entrance. This commerates a Wellington bomber which crashed on Fremington Edge ( the big hill to your right as you look at the plaque) as it returned from a bombing trip to Germany. Two of the crew died, and are buried at Ripon Cemetery, with the other four members injured. A comprehensive account of the incident is covered at http://www.yorkshire-aircraft.co.uk/aircraft/planes/dales/he553.html .
The cache can be located at N54 23.ABC W001 56.DEF, where
A = first number on the plaque
B = the last two digits of the year added together
C = nationality, as written on the plaque, of the two casualties
D = fourth digit minus third digit
E = number of lines on bottom paragraph minus number of lines in top paragraph
F = the number of the month this occurred
Checksum = 32
***** PLEASE NOTE IMPORTANT *****
CACHES ARE NOT ALLOWED TO BE PLACED ON ACTUAL MEMORIALS OR WITHIN THE BOUNDARY OF SUCH
AT ALL TIMES PLEASE TREAT LOCATIONS OF MEMORIALS WITH RESPECT