<< >> NASA ASRS Report 349640, October 1996

Air carrier landing sfo, failed to change to tower frequency and confirm landing clearance. No conflict.

Attributes
ACN	349640
Time
Date	199610
Day	Sun
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : sfo
State Reference	CA
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : sfo
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	landing other
Route In Use	approach : visual
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 240 flight time total : 3500 flight time type : 235
ASRS Report	349640
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	incursion : landing without clearance non adherence : clearance non adherence : far
Independent Detector	other flight crewa
Resolutory Action	none taken : detected after the fact
Consequence	faa : reviewed incident with flight crew
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

I was flying a visual to runway 28L at sfo. We were cleared the tipp toe visual and asked to maintain 210 KTS to bridge. I was very busy slowing and configuring at bridge. We saw that runway 28L was clear and there were no conflicts. On rollout we realized we were still on approach frequency so we had not received a clearance to land. The captain called tower by phone and they said they had cleared us to land but it was so busy that they were not sure if we had replied. They had no problems with it and were happy. This occurred on our third day of a 3 day trip and it was our last leg. We were tired and complacent.

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Original NASA ASRS Text

Title: ACR LNDG SFO, FAILED TO CHANGE TO TWR FREQ AND CONFIRM LNDG CLRNC. NO CONFLICT.

Narrative: I WAS FLYING A VISUAL TO RWY 28L AT SFO. WE WERE CLRED THE TIPP TOE VISUAL AND ASKED TO MAINTAIN 210 KTS TO BRIDGE. I WAS VERY BUSY SLOWING AND CONFIGURING AT BRIDGE. WE SAW THAT RWY 28L WAS CLR AND THERE WERE NO CONFLICTS. ON ROLLOUT WE REALIZED WE WERE STILL ON APCH FREQ SO WE HAD NOT RECEIVED A CLRNC TO LAND. THE CAPT CALLED TWR BY PHONE AND THEY SAID THEY HAD CLRED US TO LAND BUT IT WAS SO BUSY THAT THEY WERE NOT SURE IF WE HAD REPLIED. THEY HAD NO PROBS WITH IT AND WERE HAPPY. THIS OCCURRED ON OUR THIRD DAY OF A 3 DAY TRIP AND IT WAS OUR LAST LEG. WE WERE TIRED AND COMPLACENT.

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.