Shield
Azure, between two wings couped at the ulnas, elevated and displayed, a double-warded key, shaft palewise to chief issuing from a blade of a three-bladed propeller Argent.
Crest
On a wreath of the colors, Argent and Azure, a broad arrow point up of the first, the ferrule in the pattern and colors of the Valorous Unit Award streamer Proper, interlaced by a stylized garland of rice Or.
Motto
THE MARK OF EXCELLENCE.
Shield
Ultramarine blue is the primary color of Aviation. The wings, with the ulnas squared, and the propeller/bows are an allusion to rotor blades. The key is symbolic of command and control. The two wings, the double bits of the key and the three-bladed propeller also allude to the unit's numerical designation.
Crest
The broad arrow represents the unit's wartime service in Vietnam. The Valorous Unit Award for Ho Chi Minh Trail action is reflected by the colors of the band on the broad arrow. The four Republic of Vietnam Cross of Gallantry with Palm are represented by the stalks of rice. The rice, symbolic of Vietnam, forms a wreath and alludes to the Republic of Vietnam Civil Actions Honor Medal, First Class.
The coat of arms was approved for the 223d Aviation Regiment effective 17 November 1987. It was amended to add a crest and motto on 24 October 1988.