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When cleared to descend via the kiddz RNAV STAR the pilot flying began a descent from FL240 prior to mmaxx which must be crossed at or above FL240. The pilot not flying of the erj promptly advised the descent was premature and they corrected. Both reporters addressed their concerns about the complexity of the arrival and the high workload it incurs during a phase of flight that includes conflicting demands on the flight crew's attention.
| Attributes | |
| ACN | 1178141 |
| Time | |
| Date | 201406 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZHU.ARTCC |
| State Reference | TX |
| Aircraft 1 | |
| Make Model Name | EMB ERJ 145 ER/LR |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Descent |
| Route In Use | STAR KIDDZ 1 |
| Flight Plan | IFR |
| Person 1 | |
| Function | Pilot Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Person 2 | |
| Function | First Officer Pilot Not Flying |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Altitude Excursion From Assigned Altitude Deviation - Procedural Clearance |
Narrative:
Just prior to crossing mmaxx intersection on the kiddz RNAV arrival [to hou] descent was initiated to the next crossing restriction slightly prematurely. The non flying pilot noted the deviation and the altitude was promptly corrected.this is a new STAR. It is very complex; and requires both crewmembers undivided attention during a phase of flight where other flight crew duties are required; i.e. Checklist accomplishment; approach briefing etc.since this new STAR is very complex and requires both crewmembers undivided attention during a phase of flight that requires that attention be given to other required duties during this phase of flight; I would suggest that those other duties be accomplished as early as possible so that both crewmembers can refocus undivided attention to this complex arrival procedure.
Original NASA ASRS Text
Title: When cleared to descend via the KIDDZ RNAV STAR the pilot flying began a descent from FL240 prior to MMAXX which must be crossed at or above FL240. The pilot not flying of the ERJ promptly advised the descent was premature and they corrected. Both reporters addressed their concerns about the complexity of the arrival and the high workload it incurs during a phase of flight that includes conflicting demands on the flight crew's attention.
Narrative: Just prior to crossing MMAXX intersection on the KIDDZ RNAV arrival [to HOU] descent was initiated to the next crossing restriction slightly prematurely. The non flying pilot noted the deviation and the altitude was promptly corrected.This is a new STAR. It is very complex; and requires both crewmembers undivided attention during a phase of flight where other flight crew duties are required; i.e. checklist accomplishment; approach briefing etc.Since this new STAR is very complex and requires both crewmembers undivided attention during a phase of flight that requires that attention be given to other required duties during this phase of flight; I would suggest that those other duties be accomplished as early as possible so that both crewmembers can refocus undivided attention to this complex arrival procedure.
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.