Your editor thought he’d be back in command in just a few days following a recent minor surgery. Things do not always go as planned, but the blog will be back in two days. We’re working on the economics of electric flight from many manufacturers, and delving into SPACs, short-selling, and other financial vagaries that bedevil the industry. Believe it or not, but not all transactions are transparent and not all projects go according to plan. You may have noticed that the financial market and aircraft in general, like winds aloft, can be variable and not always light.