Narrative:

On climb out from bfi, ZSE cleared us 'heading 160 degrees to join the airway.' we joined J20. Later, center asked for our heading. We said we were on the airway, heading 100 degrees. Center asked 'which airway?' we said J20. He reminded us we were cleared J5. Crew confusion resulted from: 1) no pre departure clearance on ACARS (normal sequence). 2) clearance delivery computer lost our flight plan. They asked us to tell company to refile. 3) clearance came during engine start-up and pushback. New clearance was different from flight plan and old clearance was still stored in RNAV. Job load and timing of clearance receipt broke our flow. 4) center's instructions were only to 'join the airway.' 5) it was an early morning departure. 6) even with 3 cockpit crew, we all had J20 on our mind.

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Original NASA ASRS Text

Title: A DEP B747-100 FREIGHTER CREW JOINS THE WRONG AIRWAY SE OF SEA, WA.

Narrative: ON CLBOUT FROM BFI, ZSE CLRED US 'HDG 160 DEGS TO JOIN THE AIRWAY.' WE JOINED J20. LATER, CTR ASKED FOR OUR HDG. WE SAID WE WERE ON THE AIRWAY, HDG 100 DEGS. CTR ASKED 'WHICH AIRWAY?' WE SAID J20. HE REMINDED US WE WERE CLRED J5. CREW CONFUSION RESULTED FROM: 1) NO PDC ON ACARS (NORMAL SEQUENCE). 2) CLRNC DELIVERY COMPUTER LOST OUR FLT PLAN. THEY ASKED US TO TELL COMPANY TO REFILE. 3) CLRNC CAME DURING ENG START-UP AND PUSHBACK. NEW CLRNC WAS DIFFERENT FROM FLT PLAN AND OLD CLRNC WAS STILL STORED IN RNAV. JOB LOAD AND TIMING OF CLRNC RECEIPT BROKE OUR FLOW. 4) CTR'S INSTRUCTIONS WERE ONLY TO 'JOIN THE AIRWAY.' 5) IT WAS AN EARLY MORNING DEP. 6) EVEN WITH 3 COCKPIT CREW, WE ALL HAD J20 ON OUR MIND.

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.