<< >> NASA ASRS Report 1159215, March 2014

B737 captain reports a TCAS RA inside duane during the ILS 31L approach to bfi. Evasive action is taken and the intruder passes 300 ft below the B737.

Attributes
ACN	1159215
Time
Date	201403
Local Time Of Day	1201-1800
Place
Locale Reference	BFI.Tower
State Reference	WA
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	B737 Undifferentiated or Other Model
Operating Under FAR Part	Part 91
Flight Phase	Initial Approach
Route In Use	Other ILS 31L
Flight Plan	IFR
Aircraft 2
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Person 1
Function	Pilot Flying Captain
Qualification	Flight Crew Multiengine Flight Crew Instrument Flight Crew Flight Instructor Flight Crew Air Transport Pilot (ATP)
Experience	Flight Crew Last 90 Days 80 Flight Crew Total 5000 Flight Crew Type 1250
Events
Anomaly	Conflict NMAC
Miss Distance	Vertical 300

Narrative:

On approach to 31L ILS and just inside final approach fix in VMC; we received an RA to climb. We disconnected the autopilot and complied with the RA. We climbed very briefly before the RA stopped. The target aircraft passed 200-300 ft below us. We advised tower of the RA and descended back to the glide-slope. Tower called the traffic just prior to the RA. Normal approach after recovery. RA received just after hand off from approach control to tower frequency.

Related reports:

• Captain of an embraer 145 was delayed in descending on an IL...

	Enter your search terms Submit search form
	Web www.37000feet.com

Original NASA ASRS Text

Title: B737 Captain reports a TCAS RA inside DUANE during the ILS 31L approach to BFI. Evasive action is taken and the intruder passes 300 FT below the B737.

Narrative: On approach to 31L ILS and just inside final approach fix in VMC; we received an RA to climb. We disconnected the autopilot and complied with the RA. We climbed very briefly before the RA stopped. The target aircraft passed 200-300 FT below us. We advised Tower of the RA and descended back to the glide-slope. Tower called the traffic just prior to the RA. Normal approach after recovery. RA received just after hand off from Approach Control to Tower frequency.

Data retrieved from NASA's ASRS site 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.