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Flight crew reported an altitude deviation on approach to oak airport that resulted in a low-altitude alert from ATC; followed by a go-around.
| Attributes | |
| ACN | 1711509 |
| Time | |
| Date | 201912 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | OAK.Airport |
| State Reference | CA |
| Environment | |
| Flight Conditions | IMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | Medium Transport Low Wing 2 Turbojet Eng |
| Operating Under FAR Part | Part 135 |
| Flight Phase | Initial Approach |
| Flight Plan | IFR |
| Person 1 | |
| Function | Pilot Flying Captain |
| Qualification | Flight Crew Multiengine Flight Crew Instrument Flight Crew Air Transport Pilot (ATP) |
| Person 2 | |
| Function | First Officer Pilot Not Flying |
| Qualification | Flight Crew Commercial Flight Crew Instrument Flight Crew Multiengine |
| Events | |
| Anomaly | Deviation - Altitude Excursion From Assigned Altitude Deviation - Procedural Clearance Deviation - Procedural Published Material / Policy Inflight Event / Encounter Weather / Turbulence Inflight Event / Encounter CFTT / CFIT |
Narrative:
Operating aircraft X while on approach RNAV Y runway 28L into oak; a low altitude warning was issued by tower and a subsequent go-around was performed. I overlooked an intermediate waypoint altitude constraint between the final approach fix and the visual descent point. I was the pilot in command as well as flying. At this point we were VMC and ground contact had been established.I believe the approach plates placement of this particular altitude is easily missed; especially at night and in turbulence. I feel it would be very helpful to future pilots flying this same approach if the constraint was listed at the same 'level' as the previous altitudes.
Original NASA ASRS Text
Title: Flight crew reported an altitude deviation on approach to OAK airport that resulted in a low-altitude alert from ATC; followed by a go-around.
Narrative: Operating Aircraft X while on approach RNAV Y Runway 28L into OAK; a low altitude warning was issued by Tower and a subsequent go-around was performed. I overlooked an intermediate waypoint altitude constraint between the final approach fix and the visual descent point. I was the pilot in command as well as flying. At this point we were VMC and ground contact had been established.I believe the approach plates placement of this particular altitude is easily missed; especially at night and in turbulence. I feel it would be very helpful to future pilots flying this same approach if the constraint was listed at the same 'level' as the previous altitudes.
Data retrieved from NASA's ASRS site 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.