#70: United Goes Supersonic, Boeing's Latest ecoDemonstrator & 3 More Stories

In episode 70 of the Simple Flying podcast, your hosts Jo and Tom discuss,

• Boeing and Alaska Airlines partner on the next ecoDemonstrator
• United sets its sights on supersonic flight
• Embraer's E190-E2 cleared to land at London City
• Air Force Two maks an unexpected stop
• Some airlines are now requiring crew vaccinations