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Captain of an embraer EMB120 overshot intermediate altitude on descent for a visual approach resulting in ARTCC controller questioning their altitude.
| Attributes | |
| ACN | 474644 |
| Time | |
| Date | 200006 |
| Day | Sun |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : smx.airport |
| State Reference | CA |
| Altitude | msl bound lower : 6400 msl bound upper : 7000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zla.artcc tower : arb.tower |
| Operator | common carrier : air carrier |
| Make Model Name | Brasilia EMB-120 All Series |
| Operating Under FAR Part | Part 119 |
| Navigation In Use | other |
| Flight Phase | descent : intermediate altitude |
| Route In Use | approach : visual |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp pilot : cfi |
| Experience | flight time last 90 days : 250 flight time total : 3900 flight time type : 300 |
| ASRS Report | 474644 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : cfi |
| Experience | flight time last 90 days : 250 flight time total : 7500 flight time type : 3200 |
| ASRS Report | 474640 |
| Events | |
| Anomaly | altitude deviation : overshoot non adherence : clearance |
| Independent Detector | atc equipment other atc equipment : radar aircraft equipment : altitude alert other controllera other flight crewa other flight crewb |
| Resolutory Action | controller : issued alert 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:
We were cleared direct to glj VOR and told to maintain 7000 ft. Descending through 9000 ft, we were told to expect the visual approach to runway 30 and we were #2 behind a C172 at 3000 ft on a 3 mi final. The captain was hand flying the aircraft. I was looking for the C172 and the captain was reviewing the airport diagram. The altitude alerter chimed and we both noticed that we were descending through 6600 ft. We leveled off and began a climb back to 7000 ft. ZLA asked our altitude just as we realized our error. There was no loss of separation. One of us should have been paying more attention to our altitude during the descent.
Original NASA ASRS Text
Title: CAPT OF AN EMBRAER EMB120 OVERSHOT INTERMEDIATE ALT ON DSCNT FOR A VISUAL APCH RESULTING IN ARTCC CTLR QUESTIONING THEIR ALT.
Narrative: WE WERE CLRED DIRECT TO GLJ VOR AND TOLD TO MAINTAIN 7000 FT. DSNDING THROUGH 9000 FT, WE WERE TOLD TO EXPECT THE VISUAL APCH TO RWY 30 AND WE WERE #2 BEHIND A C172 AT 3000 FT ON A 3 MI FINAL. THE CAPT WAS HAND FLYING THE ACFT. I WAS LOOKING FOR THE C172 AND THE CAPT WAS REVIEWING THE ARPT DIAGRAM. THE ALT ALERTER CHIMED AND WE BOTH NOTICED THAT WE WERE DSNDING THROUGH 6600 FT. WE LEVELED OFF AND BEGAN A CLB BACK TO 7000 FT. ZLA ASKED OUR ALT JUST AS WE REALIZED OUR ERROR. THERE WAS NO LOSS OF SEPARATION. ONE OF US SHOULD HAVE BEEN PAYING MORE ATTN TO OUR ALT DURING THE DSCNT.
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.