| Date: | November 01, 1955 |
| Location: | Longmont, Colorado |
| Aircraft: | Douglas DC-6B |
| Reg: | N37559 |
| Airline: | United Air Lines |
| Flight No: | 629 |
| Fatalities: | 44 : 44 |
| (Upper left) What's left of a United Air Lines DC-6B airliner after Jack Gilbert Graham (right) placed a bomb aboard in his mother's luggage in order to collect a $37,500 life insurance policy on her. All 44 people aboard were killed. He showed no remorse for the crime and was executed a year later. |