NAF helicopter crash was probably caused by rainy weather - Security expert A security expert Group Capt Sadeeq Shehu says the current weather poses a challenge to pilots. He made the comment on Tuesday, hours after a Nigerian Air Force (NAF) helicopter crashed in Niger State. No death has been confirmed in the accident. Captain Sadeeq said, “we’re now in the middle of the rainy season where visibility is low, the cloud is very low and operations are getting more. The weather is low therefore the chances of having accidents increase”. “In commercial...