hear·sayˈhirˌsā/nounnoun: hearsay
information received from other people that one cannot adequately substantiate; rumor."according to hearsay, Bob had managed to break his arm"
synonyms: rumor, gossip, tittle-tattle, idle talk; More "that's all hearsay, and I don't care to listen to such tripe"
Lawthe report of another person's words by a witness, usually disallowed as evidence in a court of law.
If a person actually sees something and testifies that is an "eye-witness" and that testimony is allowed. This person was on the plane and stated what he saw - not reporting what other people told him!!! EYEWITNESS.
eye·wit·nessˈīˌwitnəs/nounnoun: eyewitness; plural noun: eyewitnesses; noun: eye-witness; plural noun: eye-witnesses
a person who has personally seen something happen and so can give a first-hand description of it."eyewitness accounts of the London blitz"
Yes, I corrected the usage in my reply, from the inadvertent space error, in my first comment. Thx.