inadvertent
adjective
an inadvertent omission: unintentional, unintended, accidental, unpremeditated, unplanned, innocent, uncalculated, unconscious, unthinking, unwitting, involuntary; careless, negligent.
Just think you can probably be prosecuted for it as well if you survive.
The common terms are underlined which have parallels in regulatory terms.
It's called VFR - Visual Flight Rules