How dangerous is Oakhanger HIRTA ?
Does anyone ignore the warnings and fly through it ?
From AIP:-
3.2
High Intensity Radio Transmission Area (HIRTA) - Airspace of defined dimensions within which there is radio energy of
an intensity which may cause interference with and on rare occasions damage to communications and navigation equipment.
3.2.1 Areas within which there is radio energy of an intensity which could cause interference with and on rare occasions, cause
damage to, communications and navigation equipment such as Radio Altimeter, VOR, ILS and Doppler are listed at ENR 5.3. The
intensity may be sufficient to detonate electrically initiated explosive devices carried or fitted in aircraft.
3.2.2 Only the most significant sources are listed and in some of these areas the intensity of the radio energy may be such that it
would be injurious to remain for more than one minute in the immediate vicinity of the energy source. This is especially relevant to
helicopter operations and the list contains appropriate warnings; however it would be prudent for helicopter pilots to avoid lingering
closer than 100 m to any radar aerial. Pilots approaching oil production platforms on which dish aerials can be observed should,
wherever possible, approach from a direction out of the general line-of-shoot of such aerials.