Definition
Understanding of an event or decision gained only after it has occurred, when the outcome and contributing factors are known. In aviation training and safety analysis, hindsight refers to the perspective available after the fact, which often makes errors appear more obvious or avoidable than they were to the pilot in the moment.
Plain English
Looking back at something after it happened and seeing clearly what went right or wrong, even though it wasn't that clear at the time.
Context Anchor
Used in aviation training, debriefs, and accident or error review when discussing what a pilot or instructor could understand only after the outcome was known.
Derivation
From 'hind' (meaning back or behind) plus 'sight' (seeing). Literally 'seeing backward' — looking at events after they have passed. The opposite of foresight, which is anticipating what is to come.
Why Pilots Care
Reviewing decisions in hindsight is a core part of learning from error, but it can also be misleading. Once the outcome is known, it is easy to judge a past decision more harshly than is fair, which is called hindsight bias. Honest debriefs require recognising what the pilot actually knew at the time, not just what became obvious afterward.
Intuition Check
Hindsight is not the same as good judgment in the moment. If the result was already known when the judgment was made, that judgment is based on hindsight.
Example Sentence 1
In hindsight, the instructor recognised that continuing the approach in deteriorating weather had been the wrong call.
Example Sentence 2
The debrief used hindsight to examine why the go-around decision was delayed.