Airlines warned over safety as jets return from pandemic storage December 14, 2020 at 09:09PM

Regulators, insurers and experts are warning airlines to take extra care when reactivating planes left in extended storage during the Covid-19 pandemic, citing potential pilot rustiness, maintenance errors and even insect nests blocking key sensors. The unprecedented number of aircraft grounded has created a spike in the number of reported problems as airlines return them to service.