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Medium large transport aircraft in descent overshot assigned altitude because the captain, PF, forgot to reset his altimeter during the descent. Reporter first officer was distracted with PA announcements.
| Attributes | |
| ACN | 395660 |
| Time | |
| Date | 199803 |
| Day | Fri |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : las |
| State Reference | NV |
| Altitude | msl bound lower : 11600 msl bound upper : 12000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : las |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | cruise other descent other |
| Route In Use | enroute : direct enroute airway : las enroute other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : flight engineer pilot : instrument pilot : private pilot : commercial pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 3500 flight time type : 400 |
| ASRS Report | 395660 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | altitude deviation : overshoot non adherence : clearance other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : returned to intended course or assigned course |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
On descent into las vegas with captain flying, I got distracted with seating passenger/flight attendants when encountering turbulence. Captain did not reset altimeter and when I came back to the situation (after doing announcements, etc) captain was 300-400 ft low (cleared to 12000 ft). Told captain to reset altimeter to local setting. At about the same time center turned us over to approach who gave us clearance to 10000 ft. No comments from ATC controllers and no TCASII or visual traffic noted.
Original NASA ASRS Text
Title: MLG ACFT IN DSCNT OVERSHOT ASSIGNED ALT BECAUSE THE CAPT, PF, FORGOT TO RESET HIS ALTIMETER DURING THE DSCNT. RPTR FO WAS DISTRACTED WITH PA ANNOUNCEMENTS.
Narrative: ON DSCNT INTO LAS VEGAS WITH CAPT FLYING, I GOT DISTRACTED WITH SEATING PAX/FLT ATTENDANTS WHEN ENCOUNTERING TURB. CAPT DID NOT RESET ALTIMETER AND WHEN I CAME BACK TO THE SIT (AFTER DOING ANNOUNCEMENTS, ETC) CAPT WAS 300-400 FT LOW (CLRED TO 12000 FT). TOLD CAPT TO RESET ALTIMETER TO LCL SETTING. AT ABOUT THE SAME TIME CTR TURNED US OVER TO APCH WHO GAVE US CLRNC TO 10000 FT. NO COMMENTS FROM ATC CTLRS AND NO TCASII OR VISUAL TFC NOTED.
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.