Incident Summary
A pilot reported that during an approach to a runway in twilight conditions, he became fixated on monitoring altitude, speed, and the location of the threshold. As a result, he did not notice that the airplane was misaligned with the runway. The runway was equipped only with threshold lights, providing no additional alignment cues.
Sequence of Events
The airplane touched down between the threshold lights and subsequently traveled off the left side of the runway, running into a ditch. No further details regarding injuries, damage, or other circumstances were provided in the report.
Pilot Statement
According to the pilot, his attention was concentrated on altitude, speed, and threshold location during the approach. He acknowledged not detecting the misalignment, which led to the off-center touchdown and subsequent excursion.