to quote from The Rules of the Air Regulations 1991 (Statutory Instrument 1991 no.2437) rule 17:. .. ."whereas aeroplanes shall when converging give way to aerotows and gliders, and gliders shall gove way to balloons, it is the responsibility of all pilots at all times to take all possible measures to avoid collision.". .. .however, be it restricted airspace or not Long Final; would avoiding flying through an area of "intense gliding" at a height where you are likely to encounter some or most of said gliding be a "possible measure(s) to aviod collision"?. .. .yp