Table:
1950 British Columbia B-36 crash

A Convair B-36 from the same 7th Bombardment Wing as the USAF plane involved in the accident.

Accident
Date	13 February 1950
Summary	Engine failure
Site	over British Columbia, Canada
56°1′27.61″N 128°37′11.91″W﻿ / ﻿56.0243361°N 128.6199750°W﻿ / 56.0243361; -128.6199750
Aircraft
Aircraft type	Convair B-36B
Operator	United States Air Force
Registration	44-92075
Flight origin	Eielson Air Force Base
near Fairbanks, Alaska,
United States
Destination	Carswell Air Force Base in Fort Worth, Texas
Passengers	1
Crew	16
Fatalities	5
Survivors	12

Different merged cells often exist in a table and they can be represented by the JSON {'top-left':(A, B), 'bottom-right':(C, D)}. In this JSON item, '(A, B)' and '(C, D)' are the (row_id, column_id) coordinates for the top-left and bottom-right cells in the merged region, respectively. Please examine the provided table image, identify all merged cells, and return their details using the above-mentioned format. Remember, the numbering for both rows and columns starts at 1.

This table does not contain any merged cells.