The engine running or detuning pens were originally built to test the aircraft engines for the Hunter.
Three pens were arranged in a curve. One has been completely removed.
Of the two remaining; the unique example survives that was used to test all ‘jump jets’ or VTOL. The VTOL pen is lined with metal sheeting and sound absorption. Channels below ground take extract for the jets nozzles. Historical significance is for the development of the ‘jump jet’, P1127 through to the Harrier. All aircraft engines were tested and run here before being assembled and shipped worldwide.
The two engine running pens were given Grade II Listed Building status in December 2017. Historic England’s detailed Listing report
Since application for a Conservation Area and Waverley Borough Council’s rejection there have been a number of assets considered for Listed Building Status. Historic England have since designated 5 Listed Structures on the Airfield site:
Primemeads Farm – Grade II
VTO Blast Pads – Grade II
Engine Running Pens – Grade II
Royal Observer Corps Monitoring Post – Grade II
Canadian War Memorial – Grade II
Please note: The aerodrome is private land and an active airfield. Access is not permitted to some of the buildings and features and we strongly discourage access without permission.
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