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An air carrier PIC allows his aircraft to settle 300 ft below his assigned altitude during a speed reduction, leveloff maneuver near arvad intersection, ZSE, wa.
| Attributes | |
| ACN | 468230 |
| Time | |
| Date | 200004 |
| Day | Wed |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | intersection : arvad |
| Altitude | msl bound lower : 11700 msl bound upper : 12000 |
| Environment | |
| Flight Conditions | Mixed |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zse.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | descent : intermediate altitude |
| Route In Use | arrival star : ns |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : multi engine pilot : atp pilot : instrument |
| Experience | flight time last 90 days : 180 flight time total : 7000 flight time type : 1500 |
| ASRS Report | 468230 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument pilot : multi engine |
| Events | |
| Anomaly | altitude deviation : overshoot non adherence : clearance other anomaly other other anomaly other |
| Independent Detector | other flight crewa other other : obs 3 |
| Resolutory Action | flight crew : became reoriented flight crew : returned to assigned altitude |
| Consequence | Other |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
While level and slowing, allowed aircraft to sink 300 ft from assigned altitude as I referred to approach chart for next restr. First officer and jump seater called the altitude deviation to my attention.
Original NASA ASRS Text
Title: AN ACR PIC ALLOWS HIS ACFT TO SETTLE 300 FT BELOW HIS ASSIGNED ALT DURING A SPD REDUCTION, LEVELOFF MANEUVER NEAR ARVAD INTXN, ZSE, WA.
Narrative: WHILE LEVEL AND SLOWING, ALLOWED ACFT TO SINK 300 FT FROM ASSIGNED ALT AS I REFERRED TO APCH CHART FOR NEXT RESTR. FO AND JUMP SEATER CALLED THE ALTDEV TO MY ATTN.
Data retrieved from NASA's ASRS site as of July 2007 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.