GENERAL INFORMATION

Data Source RUNWWAY SAFETY OFFICE - RUNWAY INCURSIONS
Event Id 19822
FAA Event Type OI
Event LCL Date 15-FEB-17
Event LCL Time 1957
Event State CA
RI Category Rank A
Airport Id SFO
Event Location SAN FRANCISCO INTL, CA
Event Lndg/Tkoff Surface RWY 28L
Aircraft 1 Type E75
Aircraft 2 Type A320
Aircraft 1 FAR 121
Aircraft 2 FAR 121
Weather Condition 20019KT 10SM FEW100 BKN120 BKN180 16/04 A2999

ANALYSIS DESCRIPTION

A/C 1/E75L CLEARED TO LAND WRONG RUNWAY (28L) WAS SENT AROUND SHORT FINAL DUE TO A/C 2/A320 IN POSITION RUNWAY 28L. BACKGROUND. A/C 1 CLEARED TO LAND RUNWAY 28L WITH A/C 2/A320 IN LINE UP AND WAIT SAME RUNWAY. ASSC ALARMED AND LC SENT A/C 1 AROUND AT ABOUT 0.57 MILES FROM A/C 2 (FALCON). PER ASSC ANALYSIS, A/C 1 BEGAN UPWARD TREND IN ATTITUDE, BASED ON AIRCRAFT?S TRANSPONDER, 950 FEET HORIZONTALLY FROM A/C 2. A/C 1 TRANSPONDER UPDATES INDICATES 125 FEET AGL WHEN IT OVER FLIES A/C 2. CLOSEST VERTICAL PROXIMITY ESTIMATED AT 87 FEET. A/C 1 FLIGHT CREW UNAWARE OF AIRCRAFT THAT WAS LINED UP ON RUNWAY 28L. NOTE THE POSITIONAL ACCURACY OF THE ASSC IS +/- 20 FT.

END REPORT