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A medium large transport crew mistook NAS alameda for oak while on a visual to oak runway 09R. Oak tower called a low altitude alert at 1;300 ft and flight crew recovered.
| Attributes | |
| ACN | 810032 |
| Time | |
| Date | 200810 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : oak.airport |
| State Reference | CA |
| Altitude | msl single value : 1300 |
| Environment | |
| Flight Conditions | VMC |
| Light | Dusk |
| Aircraft 1 | |
| Controlling Facilities | tracon : nct.tracon |
| Operator | general aviation : corporate |
| Make Model Name | Medium Large Transport Low Wing 2 Turbojet Eng |
| Operating Under FAR Part | Part 91 |
| Flight Phase | descent : approach |
| Route In Use | approach : visual |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : corporate |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 100 flight time total : 7500 flight time type : 1080 |
| ASRS Report | 810032 |
| Person 2 | |
| Affiliation | company : corporate |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 100 flight time total : 8500 flight time type : 680 |
| ASRS Report | 810030 |
| Events | |
| Anomaly | inflight encounter : weather non adherence : clearance other spatial deviation other spatial deviation |
| Independent Detector | other flight crewa other flight crewb |
| Resolutory Action | controller : issued advisory flight crew : became reoriented |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Weather Airport |
| Primary Problem | Flight Crew Human Performance |
Narrative:
Captain and I were cleared for the visual approach into oak airport. The airport was landing to the east and was originally cleared for the visual to runway 11 then ultimately cleared for the visual runway 9R. However; when we called the airport; we mistakenly viewed alameda NAS as the airport. I began my descent from 3100 ft MSL and at 1300 ft we received a low altitude alert from oak tower. We then leveled off and stopped our descent. It was at that time we noticed that we had mistaken the airport and observed oak at our 11 O'clock position on the next peninsula. The ATIS information was advertising the ILS 11 and VOR/visual approach to runway 9R. I had the FMS extended centerline for runway 9R set in my box and while approaching alameda NAS; the centerline was lined up. We corrected our altitude deviation and completed the visual approach for runway 9R at oak without further incident. The winds were favoring the east lndgs and this was my first visual approach into oak from the north landing east. One of the confusing parts was that norcal could only clear us for the visual runway 11 due to noise abatement; however; the ATIS advertised the visual/VOR approach to runway 9R. This slightly added to the confusion for runways and setting up for the approach; as we had set up for a runway 9R approach. I believe a note on the arrival chart would key pilots to not mistake alameda NAS for oakland when landing to the east; and would be helpful. The visual cues looking for the waterways; peninsula; and runway directions are similar when approaching from the northeast for both alameda NAS and oak.
Original NASA ASRS Text
Title: A MEDIUM LARGE TRANSPORT CREW MISTOOK NAS ALAMEDA FOR OAK WHILE ON A VISUAL TO OAK RUNWAY 09R. OAK TWR CALLED A LOW ALTITUDE ALERT AT 1;300 FT AND FLIGHT CREW RECOVERED.
Narrative: CAPT AND I WERE CLRED FOR THE VISUAL APCH INTO OAK ARPT. THE ARPT WAS LNDG TO THE E AND WAS ORIGINALLY CLRED FOR THE VISUAL TO RWY 11 THEN ULTIMATELY CLRED FOR THE VISUAL RWY 9R. HOWEVER; WHEN WE CALLED THE ARPT; WE MISTAKENLY VIEWED ALAMEDA NAS AS THE ARPT. I BEGAN MY DSCNT FROM 3100 FT MSL AND AT 1300 FT WE RECEIVED A LOW ALT ALERT FROM OAK TWR. WE THEN LEVELED OFF AND STOPPED OUR DSCNT. IT WAS AT THAT TIME WE NOTICED THAT WE HAD MISTAKEN THE ARPT AND OBSERVED OAK AT OUR 11 O'CLOCK POS ON THE NEXT PENINSULA. THE ATIS INFO WAS ADVERTISING THE ILS 11 AND VOR/VISUAL APCH TO RWY 9R. I HAD THE FMS EXTENDED CTRLINE FOR RWY 9R SET IN MY BOX AND WHILE APCHING ALAMEDA NAS; THE CTRLINE WAS LINED UP. WE CORRECTED OUR ALTDEV AND COMPLETED THE VISUAL APCH FOR RWY 9R AT OAK WITHOUT FURTHER INCIDENT. THE WINDS WERE FAVORING THE E LNDGS AND THIS WAS MY FIRST VISUAL APCH INTO OAK FROM THE N LNDG E. ONE OF THE CONFUSING PARTS WAS THAT NORCAL COULD ONLY CLR US FOR THE VISUAL RWY 11 DUE TO NOISE ABATEMENT; HOWEVER; THE ATIS ADVERTISED THE VISUAL/VOR APCH TO RWY 9R. THIS SLIGHTLY ADDED TO THE CONFUSION FOR RWYS AND SETTING UP FOR THE APCH; AS WE HAD SET UP FOR A RWY 9R APCH. I BELIEVE A NOTE ON THE ARR CHART WOULD KEY PLTS TO NOT MISTAKE ALAMEDA NAS FOR OAKLAND WHEN LNDG TO THE E; AND WOULD BE HELPFUL. THE VISUAL CUES LOOKING FOR THE WATERWAYS; PENINSULA; AND RWY DIRECTIONS ARE SIMILAR WHEN APCHING FROM THE NE FOR BOTH ALAMEDA NAS AND OAK.
Data retrieved from NASA's ASRS site as of May 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.