Boeing should rename its 737-Max to deflect passengers’ concerns once the grounded jet returns to the skies, according to plane leasing-industry veteran Steven Udvar-Hazy.

Aviation executives are increasingly worried that a widening split between the US and Europe will extend the grounding of Boeing’s 737-Max jet, sowing confusion and fear as regulators work to approve the resumption of commercial flights after two deadly crashes.

AIRBUS SAS reached a goal of topping 500 orders for its upgraded A320neo aircraft by the end of the Paris Air Show on the second day of the event as carriers put pressure on Boeing Co to respond with an all-new airliner.