N151U carried the tail code of '20-15P' in the film.

Tail Codes began with "A" followed by a second letter for the individual aircraft.

Initially, separate tail codes were assigned to the various squadrons of the wing.

Since then, it has carried the tail code of "EM" on its helicopters.

The constellation 'Little Bear' was dropped and a tail code adopted.

Known operational squadrons and tail codes of the 317th were:

The tail code of the 31st was also changed to "HS" on 1 December 1986.

In 1968, two digit squadron tail codes appeared on the aircraft for identification purposes.

These aircraft also carried the Yellow rescue markings and sometimes a Black tail code.

The group was given a tail code of "Circle-F".