Avoiding con-trail creation has been a factor for military aviation since at lea... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		nickff 8 days ago \| parent \| context \| favorite \| on: Eliminating contrails from flying could be cheap Avoiding con-trail creation has been a factor for military aviation since at least WWII; bomber pilots then were briefed on what altitudes to fly at to avoid them as well, but not because they were especially stealthy.

thaumasiotes 8 days ago [–]

There's still some space between "not especially stealthy" and "drawing an enormous arrow in the sky pointing directly to you".

Consider applying for YC's Winter 2026 batch! Applications are open till Nov 10
Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact