Acknowledging that Cheetah and Cheetak helicopters are about "30-35" years-old, he said they have not outlived their life.
"I assure you, including the army officers' wives, no helicopter, unless it is in perfect condition to fly, will take off," he said at the India Today conclave here.
Parrikar said efforts are on to ensure better spare management and serviceability.
Citing figures, he maintained that the number of accidents has actually reduced.
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"It has actually come down from 1.5 to .39 in the current five years per 10,000 flying hours," he said.
Meenal Wagh-Bhosale, wife of a serving Major in the army, had met Parrikar on Wednesday and handed over a petition urging him to stop the use of "outdated" Cheetah and Chetak helicopters.