ICAO Aircraft Accident Digests - Braniff BAC One-Eleven August 1966 accident
 

Does anyone remember when ICAO published a series of Circulars called ICAO Accident Digests. They were later discontinued; which is a great pity because those specific accident reports were especially chosen for their flight safety interest.

One of those ICAO Accident Reports included the accident to a Braniff BAC One-Eleven, Flight 250, and Registration N1553, that broke up in mid-air on 6 August 1966 near Falls City, Nebraska. It flew into a severe squall line. I am sure that report mentioned the hypotheses of tornadic tube activity associated with roll cloud.

Can anyone please put me on to the link associated with that specific ICAO accident report? I already have a copy of the NTSB report but I believe the ICAO report contained additional information re tornadic tubes.

I do not have the ICAO Report but the following might give you some leads.
The BAC 1-11 accident was published in the Department of Civil Aviation Aviation Safety Digest # 55 November 1968. It mentions that in a previous Aviation safety Digest #52 of September 1967 that there was a discussion from American Aviation publication. It was by Dr. Tetsuya Fujita of Chicago University. His speciality was thunderstorms.
I did some 'Googling' re Dr. Fujita and found numerous hits. Maybe if you follow this line you might find out what you are seeking.
Regards. RV.

Thanks RV - I'll chase up that info.
A37 etc