Narrative:

On a long duty day due to aircraft mechanical problems. Received clearance for IFR flight from swf to ewr. We were given the swf 4 common SID for our departure. I asked the pilot, who copied the ATC clearance, if we were given a departure frequency. He stated no, but that it should be on the SID plate. I familiarized myself with the SID but did not find the departure control frequency. During engine start and taxi for takeoff did not locate the frequency. After takeoff we were directed to contact departure control and I asked swf tower to give us the frequency. The controller came back very excited and agitated and said confirm you are flying the swf 4 SID. I replied affirmative and the controller said the frequency is 132.75 per the published SID. We contacted departure control and completed our flight to ewr uneventfully. I later looked at the SID plate again and there on the plate, where it always is, was the departure control frequency. I was embarrassed to realize I had overlooked something so basic and obvious. This occurrence points out very definitely that when fatigue is evident, air crews must be very careful to check and doublechk everything they do.

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Original NASA ASRS Text

Title: GIV (G4) PLT MISREAD SID, WAS UNABLE TO FIND DEP CTL FREQ. WHEN RPTR ASKED FOR FREQ, TWR BECAME VERY UPSET.

Narrative: ON A LONG DUTY DAY DUE TO ACFT MECHANICAL PROBS. RECEIVED CLRNC FOR IFR FLT FROM SWF TO EWR. WE WERE GIVEN THE SWF 4 COMMON SID FOR OUR DEP. I ASKED THE PLT, WHO COPIED THE ATC CLRNC, IF WE WERE GIVEN A DEP FREQ. HE STATED NO, BUT THAT IT SHOULD BE ON THE SID PLATE. I FAMILIARIZED MYSELF WITH THE SID BUT DID NOT FIND THE DEP CTL FREQ. DURING ENG START AND TAXI FOR TKOF DID NOT LOCATE THE FREQ. AFTER TKOF WE WERE DIRECTED TO CONTACT DEP CTL AND I ASKED SWF TWR TO GIVE US THE FREQ. THE CTLR CAME BACK VERY EXCITED AND AGITATED AND SAID CONFIRM YOU ARE FLYING THE SWF 4 SID. I REPLIED AFFIRMATIVE AND THE CTLR SAID THE FREQ IS 132.75 PER THE PUBLISHED SID. WE CONTACTED DEP CTL AND COMPLETED OUR FLT TO EWR UNEVENTFULLY. I LATER LOOKED AT THE SID PLATE AGAIN AND THERE ON THE PLATE, WHERE IT ALWAYS IS, WAS THE DEP CTL FREQ. I WAS EMBARRASSED TO REALIZE I HAD OVERLOOKED SOMETHING SO BASIC AND OBVIOUS. THIS OCCURRENCE POINTS OUT VERY DEFINITELY THAT WHEN FATIGUE IS EVIDENT, AIR CREWS MUST BE VERY CAREFUL TO CHK AND DOUBLECHK EVERYTHING THEY DO.

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.