Narrative:

Flight plan/clearance was ric V260 hpw argaz 3 krdw. When tower cleared us for takeoff, clearance was issued to direct hpw, flight plan route. Captain made takeoff. At 1000 AGL, captain called for climb power, VNAV, flaps up. Cleanup was accomplished, however, upon selecting the FMS to direct hpw, I selected the duffi intersection, which was the next waypoint after hpw on the argaz 3 arrival. Upon selecting navigation on the flight guidance panel, the flight directors commanded a right turn to direct duffi. The captain commenced a right turn to direct duffi. About 10 seconds after the right turn was initiated, we both realized we turned the wrong way. I initially could not get hpw to be selected on the FMS, so I initiated a heading back to the left towards hpw. The captain reversed the turn. At that time, departure called us and asked us if we were turning right. We acknowledged that and stated we were correcting back to a left turn to hpw. Departure then said roll out on present heading for vectors to the arrival. We stated that our heading would be 170 degrees. Departure then asked for reason for right turn. We responded that we selected the wrong button on the FMS causing a commanded right turn.

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Original NASA ASRS Text

Title: HDG TRACK DEV ON DEP.

Narrative: FLT PLAN/CLRNC WAS RIC V260 HPW ARGAZ 3 KRDW. WHEN TWR CLRED US FOR TKOF, CLRNC WAS ISSUED TO DIRECT HPW, FLT PLAN RTE. CAPT MADE TKOF. AT 1000 AGL, CAPT CALLED FOR CLB PWR, VNAV, FLAPS UP. CLEANUP WAS ACCOMPLISHED, HOWEVER, UPON SELECTING THE FMS TO DIRECT HPW, I SELECTED THE DUFFI INTXN, WHICH WAS THE NEXT WAYPOINT AFTER HPW ON THE ARGAZ 3 ARR. UPON SELECTING NAV ON THE FLT GUIDANCE PANEL, THE FLT DIRECTORS COMMANDED A R TURN TO DIRECT DUFFI. THE CAPT COMMENCED A R TURN TO DIRECT DUFFI. ABOUT 10 SECONDS AFTER THE R TURN WAS INITIATED, WE BOTH REALIZED WE TURNED THE WRONG WAY. I INITIALLY COULD NOT GET HPW TO BE SELECTED ON THE FMS, SO I INITIATED A HDG BACK TO THE L TOWARDS HPW. THE CAPT REVERSED THE TURN. AT THAT TIME, DEP CALLED US AND ASKED US IF WE WERE TURNING R. WE ACKNOWLEDGED THAT AND STATED WE WERE CORRECTING BACK TO A L TURN TO HPW. DEP THEN SAID ROLL OUT ON PRESENT HDG FOR VECTORS TO THE ARR. WE STATED THAT OUR HDG WOULD BE 170 DEGS. DEP THEN ASKED FOR REASON FOR R TURN. WE RESPONDED THAT WE SELECTED THE WRONG BUTTON ON THE FMS CAUSING A COMMANDED R TURN.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.