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37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
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Air carrier medium large transport approach sfo runway 19L descending to 2800 ft (initial approach altitude), encountered moderate turbulence at 3000 ft resulting in descending below 2800 ft. No conflict.
| Attributes | |
| ACN | 356873 |
| Time | |
| Date | 199701 |
| Day | Wed |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : sfo |
| State Reference | CA |
| Altitude | msl bound lower : 2800 msl bound upper : 2800 |
| Environment | |
| Flight Conditions | IMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tracon : oak tower : sfo |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other |
| Flight Phase | descent : approach |
| Route In Use | arrival star : star |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : instrument pilot : commercial pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 20000 flight time type : 500 |
| ASRS Report | 356873 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 180 flight time total : 18000 flight time type : 180 |
| ASRS Report | 356870 |
| Events | |
| Anomaly | altitude deviation : overshoot inflight encounter other non adherence : clearance |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : returned to intended course or assigned course |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Upon arrival into the sfo area, we were cleared for an ILS to runway 19L. On final approach at approximately 2800 ft MSL encountered moderate turbulence and aircraft descended below 2800 ft, (final approach altitude). No conflict in traffic and resumed normal approach.
Original NASA ASRS Text
Title: ACR MLG APCH SFO RWY 19L DSNDING TO 2800 FT (INITIAL APCH ALT), ENCOUNTERED MODERATE TURB AT 3000 FT RESULTING IN DSNDING BELOW 2800 FT. NO CONFLICT.
Narrative: UPON ARR INTO THE SFO AREA, WE WERE CLRED FOR AN ILS TO RWY 19L. ON FINAL APCH AT APPROX 2800 FT MSL ENCOUNTERED MODERATE TURB AND ACFT DSNDED BELOW 2800 FT, (FINAL APCH ALT). NO CONFLICT IN TFC AND RESUMED NORMAL APCH.
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.