Aviation SpiceJet grounds all 3 Boeing 737 cargo aircraft after defect discovered Updated : December 13, 2019 12:48 PM IST SpiceJet's grounded aircraft will return to operations after regulatory clearance. As of September 30, SpiceJet had four freighter aircraft--three standard-body 737 and one 737-800 Boeing converted freighter. SpiceJet was operating nine scheduled departures six days a week by the three freighter. 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.