A nice variation on the “LA speed check story”[1]. Perhaps we can call this one “Shanwick Altitude Check.” [1]: https://theaviationgeekclub.com/sr-71-blackbir

A nice variation on the “LA speed check story”[1]. Perhaps we can call this one “Shanwick Altitude Check.” [1]: https://theaviationgeekclub.com/sr-71-blackbird-pilot-tells-story-behind-famed-ground-speed-check/ https://theaviationgeekclub.com/sr-71-blackbird-pilot-tells-...