Narrative:

On our scheduled departure from moses lake airport we were issued the moses 1 departure as filed to wenatchee airport (eat). The as filed routing was victor V-357 (R250 off mwh). After departing runway 3 at mwh we continued climbing to 8000 ft (assigned) and got handed over to grant county departure. Departure gave us a right turn to intercept V-357 on assigned heading 260 degree. After setting the heading bugs the captain started a left turn to 260 degree (the shorter turn). Once we rolled out on 260 degree the departure controller told us that it was supposed to be a right turn! As we were going over the arrival end of runway 14L, departure asked if we had an air carrier widebody transport on final to 14L on our right side. We did and stated so and nothing else was stated. We have flown this trip all month long and mwh VOR has been OTS all month. Every other time we departed mwh we always made a left turn to join the airway. To ar large extent the problem was due to conditioned response from previous departures from mwh. In the morning in sea I had noted that the mwh VOR was still OTS. But it had come back on and we failed to note that on our NOTAMS from mwh.

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Original NASA ASRS Text

Title: COMMUTER SMT TRACK HDG DEV ON DEP VECTOR FROM MWH.

Narrative: ON OUR SCHEDULED DEP FROM MOSES LAKE ARPT WE WERE ISSUED THE MOSES 1 DEP AS FILED TO WENATCHEE ARPT (EAT). THE AS FILED RTING WAS VICTOR V-357 (R250 OFF MWH). AFTER DEPARTING RWY 3 AT MWH WE CONTINUED CLBING TO 8000 FT (ASSIGNED) AND GOT HANDED OVER TO GRANT COUNTY DEP. DEP GAVE US A R TURN TO INTERCEPT V-357 ON ASSIGNED HDG 260 DEG. AFTER SETTING THE HDG BUGS THE CAPT STARTED A L TURN TO 260 DEG (THE SHORTER TURN). ONCE WE ROLLED OUT ON 260 DEG THE DEP CTLR TOLD US THAT IT WAS SUPPOSED TO BE A R TURN! AS WE WERE GOING OVER THE ARR END OF RWY 14L, DEP ASKED IF WE HAD AN ACR WDB ON FINAL TO 14L ON OUR R SIDE. WE DID AND STATED SO AND NOTHING ELSE WAS STATED. WE HAVE FLOWN THIS TRIP ALL MONTH LONG AND MWH VOR HAS BEEN OTS ALL MONTH. EVERY OTHER TIME WE DEPARTED MWH WE ALWAYS MADE A L TURN TO JOIN THE AIRWAY. TO AR LARGE EXTENT THE PROBLEM WAS DUE TO CONDITIONED RESPONSE FROM PREVIOUS DEPS FROM MWH. IN THE MORNING IN SEA I HAD NOTED THAT THE MWH VOR WAS STILL OTS. BUT IT HAD COME BACK ON AND WE FAILED TO NOTE THAT ON OUR NOTAMS FROM MWH.

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.