<< >> NASA ASRS Report 849531, August 2009

Air carrier departure from bfi described potential conflict event with sea traffic; reporter contending bfi and sea should not be utilizing opposite direction traffic procedures.

Attributes
ACN	849531
Time
Date	200908
Local Time Of Day	1801-2400
Place
Locale Reference	BFI.Airport
State Reference	WA
Environment
Flight Conditions	VMC
Light	Dusk
Aircraft 1
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	Takeoff
Route In Use	Vectors
Person 1
Function	Pilot Flying
Experience	Flight Crew Last 90 Days 75 Flight Crew Total 12000 Flight Crew Type 3000
Person 2
Function	Captain Pilot Not Flying
Qualification	Flight Crew Air Transport Pilot (ATP)
Experience	Flight Crew Last 90 Days 108 Flight Crew Total 12000 Flight Crew Type 757
Events
Anomaly	ATC Issue All Types Conflict Airborne Conflict
Miss Distance	Horizontal 2000 Vertical 6000

Narrative:

We waited at the end of the runway 31L at boeing field for 39 minutes before being cleared for takeoff. As we were cleared for takeoff; ATC told us to maintain 2100 ft; at 1000 ft turn left to 250. Be advised; traffic for sea was arriving ahead as they were landing runway 16 at sea; opposite traffic to bfi departures. On takeoff we encountered traffic; RA was announced and we turned left and maintained 1100 ft steering clear of the traffic. Our takeoff weight was 173.1 so we had a fast acceleration and fast climb. I believe the 2 airports should not be conducting opposite traffic patterns; as they are so close to each other.

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Original NASA ASRS Text

Title: Air carrier departure from BFI described potential conflict event with SEA traffic; reporter contending BFI and SEA should not be utilizing opposite direction traffic procedures.

Narrative: We waited at the end of the Runway 31L at Boeing Field for 39 minutes before being cleared for takeoff. As we were cleared for takeoff; ATC told us to maintain 2100 FT; at 1000 FT turn left to 250. Be advised; traffic for SEA was arriving ahead as they were landing Runway 16 at SEA; opposite traffic to BFI departures. On takeoff we encountered traffic; RA was announced and we turned left and maintained 1100 FT steering clear of the traffic. Our takeoff weight was 173.1 so we had a fast acceleration and fast climb. I believe the 2 airports should not be conducting opposite traffic patterns; as they are so close to each other.

Data retrieved from NASA's ASRS site as of April 2012 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.