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Air carrier captain reported confusion with expected altitude on descent clearance from houston approach.
| Attributes | |
| ACN | 1414402 |
| Time | |
| Date | 201701 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | I90.TRACON |
| State Reference | TX |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Final Approach |
| Route In Use | STAR MSCOT4 |
| Person 1 | |
| Function | Pilot Not Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Type 6269 |
| Events | |
| Anomaly | ATC Issue All Types Deviation - Altitude Crossing Restriction Not Met Deviation - Procedural Clearance |
Narrative:
Center told us to descend via the MSCOT4 for 26R transition into iah. Switching to approach they told us descend and maintain 12;000. After switching to another approach controller; he told us we were cleared for the 26L transition. We are now approaching mscot which has an altitude of 10;000 and I asked the controller if he still wanted us at 12;000. He said cleared for the 26L transition. After passing mscot the controller said we were supposed to be at 10;000. I said we were cleared for the 26L transition; but not to descend via. He then told us to descend to 7;000 and said; 'when I clear you for the transition that also means descend via'.
Original NASA ASRS Text
Title: Air carrier Captain reported confusion with expected altitude on descent clearance from Houston Approach.
Narrative: Center told us to descend VIA the MSCOT4 for 26R transition into IAH. Switching to approach they told us descend and maintain 12;000. After switching to another approach controller; he told us we were cleared for the 26L transition. We are now approaching MSCOT which has an altitude of 10;000 and I asked the controller if he still wanted us at 12;000. He said cleared for the 26L transition. After passing MSCOT the controller said we were supposed to be at 10;000. I said we were cleared for the 26L transition; but not to descend VIA. He then told us to descend to 7;000 and said; 'When I clear you for the transition that also means descend via'.
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.