* The model displayed above will either be the aircraft's birth or earliest modified model. To see the aircrafts modification history see the below Aircraft Historical Events.
| Date | Tail Number | Model | Country | Operator |
|---|---|---|---|---|
| 24 September 1981 | 79-23301 | YEH-60A | ![]() |
Sikorsky Aircraft Corporation |
On 24 September 1981 the aircraft make its first flight as a prototype YEH-60A Quick Fix Helicopter. In October 1980, Sikorsky was awarded an Army contract to modify one UH-60A for evaluation under the Quick Fix II EW program. The modifications included preparation of the airframe for later installation of the AN/ALQ-151 multi-role tactical EW system, the addition of four dipole antennae mounted in pairs on either side of the tail boom, and the installation of a deployable whip antenna beneath the aft section of the main cabin. |
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| Date | Tail Number | Model | Country | Operator |
|---|---|---|---|---|
| April 1983 | 79-23301 | YEH-60A | ![]() |
U.S. Army |
In April 1983 the aircraft was accepted into the Army Inventory and assigned to US Army Electronic Proving Grounds (EPG) at Fort Huachuca, Arizona. In January 1984 the aircraft was assigned to U.S. Army Aviation Engineering Flight Activity (USAAEFA) at Edwards AFB, California. The aircraft was flown to Duluth, Minnesota for Artificial and natural icing flight testing. Flights were conducted from 6 January to 21 March 1984. Reference: USAAEFA Project No. 83-21 “Artificial and Natural Icing Tests YEH-60A Quick Fix Helicopter” Dated June 1984. |
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| From Date | To Date | Model | Unit Name | Location |
|---|---|---|---|---|
| 1982-12-16 | 1983-04-15 | EH-60A | Unknown | |
| 1983-04-16 | 1984-01-15 | EH-60A | U.S. Army Electronic Proving Grounds | Fort Huachua, Arizona |
| 1984-01-16 | 1985-05-15 | EH-60A | Unknown | |
| 1985-05-16 | 1985-07-15 | EH-60A | 394th Transportation Battalion | Stuttgart, Germany (Nellingen Kaserne) |
| 1985-07-16 | 1986-01-15 | EH-60A | Unknown | |
| 1986-01-16 | 1986-05-15 | EH-60A | U.S. Army Electronic Proving Grounds | Fort Huachua, Arizona |
| 1986-05-16 | 1989-01-15 | EH-60A | Unknown | |
| 1989-01-16 | 1990-10-15 | UH-60A | U.S. Army Electronic Proving Grounds | Fort Huachua, Arizona |
| 1990-10-16 | 1991-02-15 | UH-60A | U.S. Army Intel Center | Fort Huachua, Arizona |
| 1991-02-16 | 1991-10-15 | UH-60A | A Company, 1-210th Aviation | Fort Rucker, Alabama |
| 1991-10-16 | 1999-10-15 | EH-60A | Unknown | |
| 1999-10-16 | 2003-08-15 | UH-60A | AMRDEC | Redstone Arsenal, Alabama |
| 2003-08-16 | 2009-03-15 | UH-60A | CECOM-RDE | Fort Monmouth, New Jersey |