A navigation error caused the orbiter to fly too low in the planet's atmosphere and was destroyed.

Bit of a navigation error.

The navigation error rises with the lower price (and sensitivity) of the sensors used.

Due to a navigation error by the pilots of the transport aircraft towing the gliders, one of the gliders was dropped in the wrong area.

However, due to a navigation error, the attackers ended up 40 mi north of their target, and were forced to find alternative transportation to their destination.