Flight-path-history.

Flight-path-history.

Record the historical flight-path (by default, since last takeoff). Optionally display the flight-path in the map; other visualisations (e.g., an 'in-world' view) could also be created. Nasal API to follow so Canvas-map or FMS can show the same data.

Altitude and attitude (Euler angles) are currently recorded but not used anywhere.