Narrative:

During ground operations in dca; we briefed the departure out off runway 1; which is a left turn to join the 328 degree radial from dca VOR; we even made a 10 mi circle for noise abatement. After we took the runway the tower controller told us to keep the aircraft ahead of us in sight for visual separation. After lift-off we proceed to start a left turn to join the radial. Once the turn was executed I was outside keeping an eye on the traffic; when I looked inside again I noticed that we were not on the radial and told the first officer to join the 328 degree radial. ATC asked us if we were established on the 328 degree radial and gave us a turn to 280 degrees. During that time I looked at the first officer HSI and it was set to the 358 degree radial. ATC told us to turn 330 degrees and to copy a phone number for a possible pilot deviation. Once we got to ZZZ I called ATC and they told me that we had violated P-56 naval observatory.

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Original NASA ASRS Text

Title: A CRJ-700 FLIGHT CREW DEVIATED FROM THE CHARTED TRACK ON DEPARTURE FROM DCA AND VIOLATED THE P-56 NAVAL OBSERVATORY RESTRICTED AREA.

Narrative: DURING GND OPS IN DCA; WE BRIEFED THE DEP OUT OFF RWY 1; WHICH IS A L TURN TO JOIN THE 328 DEG RADIAL FROM DCA VOR; WE EVEN MADE A 10 MI CIRCLE FOR NOISE ABATEMENT. AFTER WE TOOK THE RWY THE TWR CTLR TOLD US TO KEEP THE ACFT AHEAD OF US IN SIGHT FOR VISUAL SEPARATION. AFTER LIFT-OFF WE PROCEED TO START A L TURN TO JOIN THE RADIAL. ONCE THE TURN WAS EXECUTED I WAS OUTSIDE KEEPING AN EYE ON THE TFC; WHEN I LOOKED INSIDE AGAIN I NOTICED THAT WE WERE NOT ON THE RADIAL AND TOLD THE FO TO JOIN THE 328 DEG RADIAL. ATC ASKED US IF WE WERE ESTABLISHED ON THE 328 DEG RADIAL AND GAVE US A TURN TO 280 DEGS. DURING THAT TIME I LOOKED AT THE FO HSI AND IT WAS SET TO THE 358 DEG RADIAL. ATC TOLD US TO TURN 330 DEGS AND TO COPY A PHONE NUMBER FOR A POSSIBLE PLTDEV. ONCE WE GOT TO ZZZ I CALLED ATC AND THEY TOLD ME THAT WE HAD VIOLATED P-56 NAVAL OBSERVATORY.

Data retrieved from NASA's ASRS site as of May 2009 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.