![Before GPS and INS, how did aircraft fly across oceans and how much would they be expected to drift? - Quora Before GPS and INS, how did aircraft fly across oceans and how much would they be expected to drift? - Quora](https://qph.cf2.quoracdn.net/main-qimg-cf04e5fe7d91de0a98fc92b33e071c3c.webp)
Before GPS and INS, how did aircraft fly across oceans and how much would they be expected to drift? - Quora
![Plane not following/aligned to red line (GPS path) - Aircraft & Systems - Microsoft Flight Simulator Forums Plane not following/aligned to red line (GPS path) - Aircraft & Systems - Microsoft Flight Simulator Forums](https://forums.flightsimulator.com/uploads/default/original/4X/4/b/e/4be2124a15e307cce71d99b7aa4bfe5405948c16.jpeg)
Plane not following/aligned to red line (GPS path) - Aircraft & Systems - Microsoft Flight Simulator Forums
Before GPS and INS, how did aircraft fly across oceans and how much would they be expected to drift? - Quora
![Autopilot and gps nav question :: Microsoft Flight Simulator X: Steam Edition General Discussion Forum Autopilot and gps nav question :: Microsoft Flight Simulator X: Steam Edition General Discussion Forum](https://img.youtube.com/vi/nLVPIGoYVxs/0.jpg)