Drone Collision with helicopter = tail rotor failure
Just to clear things up. Nutt's Corner was NOT a licenced model flying area. One of the military VFR routings from the ATZ boundary was via Nutt's Corner below 500ft with no lower limit. In certain areas of Northern Island we had an operational ceiling of 200 ft. AGL. When Aldergrove ATC was aware that there was model flying going on they would warn us but could not prevent OR allow it.
We tolerated it but when they got aggressive then we used this trick. The only mistake I made was that the set was a standard HF set used by long range Transport Command and had an output of 100watts, not 100 mw.
We tolerated it but when they got aggressive then we used this trick. The only mistake I made was that the set was a standard HF set used by long range Transport Command and had an output of 100watts, not 100 mw.
Avoid imitations
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I have also been involved in military aviation in various professional capacities for most of my adult life.
We were required to carry out regular "Ops Normal" call on HF, btw. I've also seen the "HF" countermeasure applied to 27 Mhz R/C aircraft, although not carried out by myself. It definitely worked. Anyone aiming to cause a hazard to a military aircraft deserves everything they get, AK-47, SAM missile, or a R/C aircraft all count the same. Better a quick blast of HF to discourage them than a squirt from a 7.62 mm machine gun, which we were all equipped with.
My closest call with a R/C aeroplane as a civilian helicopter pilot was actually just north of Brent Reservoir in the Heathrow control zone, directly on the eastern flight path to RAF Northolt. A red and white aerobatic model with a wingspan of about five feet and carrying a tuned pipe along its spine went vertically upwards, just outside of my rotor disc. I was at 1200 feet LHR QNH, in accordance with my clearance from the Heathrow controller.
I have no axe to grind against R/C modellers (I have two R/C models of my own, one a powered aeroplane and a slope soarer glider). Only the ones who are either irresponsible or worse, deliberately endanger an aircraft.