New Delhi, Aug. 16 -- Two separate flight incidents on Saturday unsettled air passengers in India, after an Air India Express service struggled to land in Gwalior before making a safe second attempt, and an IndiGo aircraft reported a tail strike in Mumbai during heavy rains. Aviation regulator DGCA has ordered a probe into the latter case.

An Air India Express aircraft travelling from Bengaluru to Gwalior with 160 passengers on board was unable to complete its first landing attempt on Saturday afternoon, officials confirmed.

The pilots executed a go-around-a standard safety manoeuvre in which the aircraft circles back for another attempt-and successfully landed on the second try.

Though the aborted landing caused brief panic inside the...