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Erj-175 flight crew reported they were improperly cleared to maintain 250 knots under the class B floor.
| Attributes | |
| ACN | 1380621 |
| Time | |
| Date | 201608 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | OAK.Airport |
| State Reference | CA |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | EMB ERJ 170/175 ER/LR |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Approach |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Person 2 | |
| Function | Pilot Not Flying First Officer |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | ATC Issue All Types Deviation - Procedural Published Material / Policy |
Narrative:
Norcal assigned us an altitude descend to 3400 feet and speed 250 knots. Since 4000 feet was the bottom of the class B shelf we told ATC that we were unable to maintain that speed due to far restrictions. I leveled off at 4000 feet and maintained a speed of 250 knots until I received a new clearance. Our new clearance was speed pilot's discretion; and descend and maintain 3400 feet. I then slowed to 200 knots at 4000 feet and began my descent to 3400 feet.ATC norcal not aware of their class B layers and speed limits in respect to those layers.abolish the 200 knot speed limit for all IFR aircraft on approach control or on an arrival below class B shelf. There are too many airports we fly to that contain 'class B gotchas'.
Original NASA ASRS Text
Title: ERJ-175 flight crew reported they were improperly cleared to maintain 250 knots under the Class B floor.
Narrative: NorCal assigned us an altitude descend to 3400 feet and speed 250 knots. Since 4000 feet was the bottom of the Class B shelf we told ATC that we were unable to maintain that speed due to FAR restrictions. I leveled off at 4000 feet and maintained a speed of 250 knots until I received a new clearance. Our new clearance was speed pilot's discretion; and descend and maintain 3400 feet. I then slowed to 200 Knots at 4000 feet and began my descent to 3400 feet.ATC NorCal not aware of their class B layers and speed limits in respect to those layers.Abolish the 200 Knot speed limit for all IFR aircraft on approach control or on an arrival below class B shelf. There are too many airports we fly to that contain 'Class B Gotchas'.
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.