One where people walk away from it.
Aircraft accidents are not only exceptionally rare, but also frequently survivable.
It was estimated in 1980 that 30-40% of fatalities in survivable accidents are related to fire and its effects (FAA-ASF-300-1H).
Pacoima aircraft accident happened on 1957-01-31.
Aircraft Accident Investigation Commission ended in 2001.
Aircraft Accident Investigation Commission was created in 1974.
An aviation accident is an occurrence that takes place on an aircraft where a person is injured, sometimes fatally, and the aircraft is seriously damaged.
There will be aviation accident investigation authorities in most advanced countries, and these would have the data you seek. Try "aviation accident" in your search engine. I have no specific knowledge.
Air accident defined as an occurrence associated with the operation of an aircraft which takes place between the time any person boards the aircraft. You can find more information on this : http://vitzy.net/forum/Air-Accident-t1508.html here.
immediately
John John was killled in an aircraft accident.
The worst aircraft accident in history was definitely, in my opinion, the Tenerife airport disaster. It was very morbid what with all the deaths. Want more info? Go to wikipedia and search it.
10 days.