I have thought about this topic for many years now,And I have studied the Derelic and the area of interest....... ie: -general surroundings.
I do not believe that the Derelic crashed at all.
Rather it seems to have had a controlled landing with a precise navigation.Usually when a vehicle or object crashes,the force of the impact creates a tremendous amount of stress with such violent force,that debri is most likely to occur.
In every photo that I have seen of the derlic,there is no scattered debri field surrounding the craft.
Also notice the fact that the Derelic is positioned in the upright position,we can deduce this by the fact that the spacejockey inside the craft is sitting in an upright position centered from the ground with a high top ceiling.
Yes,there are photos of plane crashes, with the plane on the ground facing upright,but the ones that do, always have a debri field,and also show the damage from force of impact.
.
The surrounding terrain also is a dead giveaway,the derelic is nestled against the rock formations with a generally flat location wide enough to support a controlled landing.