Aviation IndiGo plane tilts mid-air; aviation regulator DGCA starts probe Updated : November 23, 2018 06:34 AM IST Aviation regulator DGCA has started a probe into the incident, which is the latest in a series of issues involving IndiGo's fleet of A320 neo planes powered with Pratt & Whitney engines. An IndiGo spokesperson said the pilot observed a minor engine sensor issue that did not warrant any automated caution and that the plane made a normal landing at Port Blair. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.