 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
Sfo controller expressed concern regarding an overtake situation involving a non heavy passing a heavy aircraft detected on short final.
| Attributes | |
| ACN | 645137 |
| Time | |
| Date | 200501 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : sfo.airport |
| State Reference | CA |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : sfo.tower |
| Operator | common carrier : air carrier |
| Make Model Name | B747-400 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : approach |
| Route In Use | approach : visual |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | tower : sfo.tower |
| Operator | common carrier : air carrier |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : approach |
| Route In Use | approach : visual |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : local |
| Qualification | controller : radar |
| Experience | controller limited radar : 4.5 controller non radar : 9 controller time certified in position1 : 4 |
| ASRS Report | 645137 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | non adherence : clearance |
| Independent Detector | other controllera |
| Resolutory Action | none taken : anomaly accepted |
| Supplementary | |
| Problem Areas | ATC Human Performance Environmental Factor Aircraft Flight Crew Human Performance |
| Primary Problem | Ambiguous |
Narrative:
B744 on final runway 28L at sfo; B733 on final runway 28R. B744 instructed to not overtake B733. It was visually impossible to detect the overtake on the racd or out the window. The first indication of an overtake was via asde; at which point it is not wise to send the aircraft around.
Original NASA ASRS Text
Title: SFO CTLR EXPRESSED CONCERN REGARDING AN OVERTAKE SIT INVOLVING A NON HVY PASSING A HVY ACFT DETECTED ON SHORT FINAL.
Narrative: B744 ON FINAL RWY 28L AT SFO; B733 ON FINAL RWY 28R. B744 INSTRUCTED TO NOT OVERTAKE B733. IT WAS VISUALLY IMPOSSIBLE TO DETECT THE OVERTAKE ON THE RACD OR OUT THE WINDOW. THE FIRST INDICATION OF AN OVERTAKE WAS VIA ASDE; AT WHICH POINT IT IS NOT WISE TO SEND THE ACFT AROUND.
Data retrieved from NASA's ASRS site as of January 2009 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.