VRa

[Bucket]

Hi folks. Does anyone know what is meant by the term/V speed VRa? Not having much luck finding out.

[FE Hoppy]

rough air speed

[Pugilistic Animus]

For an interesting and detailed account [in normal pilot language] on the "history and choice of rough air speeds ---see D P Davies 'Handling the big jets 3rd Ed.

[Bucket]

Most kind, thank you.