Bengaluru: The next time an aircraft is forced to make an emergency landing at sea, the chances are it could be easily spotted, thanks to a marker that is being manufactured at a fraction of the cost of those currently being used by the armed forces.
On requests from Indian Air Force (IAF), Mysuru-based Defence Food Research Laboratory (DFRL) has developed a sea dye marker — a bright green pattern — that spreads over the surface of the water, ensuring the area is located easily. It is extremely useful in rescue operation. The cost of the marker is a mere Rs 400. India currently imports markers at a cost of Rs 4,000 for a 200g packet. It is a part of armed personnel’s survivor kit.
“The dye when dissolved in a liquid medium like sea water will fluoresce brilliantly, producing a bright green colour,” Dr Anil Dutt Semwal, director of DFRL told TOI. “The fluorescent green increases the likelihood of the area being identified and also enhances chances of rescuing pilot(s) or crew on board.”
The marker stays visible for 45 minutes to an hour over a 6sqkm radius. However, the ‘patch’ could move due to factors like ocean currents, tides and surface winds. It can be seen from the air at an altitude of 3,000m.
23/02/19 Christin Mathew Philip/Times of India
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On requests from Indian Air Force (IAF), Mysuru-based Defence Food Research Laboratory (DFRL) has developed a sea dye marker — a bright green pattern — that spreads over the surface of the water, ensuring the area is located easily. It is extremely useful in rescue operation. The cost of the marker is a mere Rs 400. India currently imports markers at a cost of Rs 4,000 for a 200g packet. It is a part of armed personnel’s survivor kit.
“The dye when dissolved in a liquid medium like sea water will fluoresce brilliantly, producing a bright green colour,” Dr Anil Dutt Semwal, director of DFRL told TOI. “The fluorescent green increases the likelihood of the area being identified and also enhances chances of rescuing pilot(s) or crew on board.”
The marker stays visible for 45 minutes to an hour over a 6sqkm radius. However, the ‘patch’ could move due to factors like ocean currents, tides and surface winds. It can be seen from the air at an altitude of 3,000m.
23/02/19 Christin Mathew Philip/Times of India
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