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A lear 60 descends below the MSA of 15200 ft in the ege, co, area. Both flight crew members heard and responded to a clearance to 11000 ft.
| Attributes | |
| ACN | 425310 |
| Time | |
| Date | 199901 |
| Day | Sun |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : rlg airport : ege |
| State Reference | CO |
| Altitude | msl bound lower : 12600 msl bound upper : 14000 |
| Environment | |
| Flight Conditions | Mixed |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : clt |
| Operator | general aviation : corporate |
| Make Model Name | Learjet 60 |
| Navigation In Use | Other |
| Flight Phase | descent other |
| Route In Use | arrival other enroute : on vectors enroute airway : zdv |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : instrument pilot : cfi |
| Experience | flight time last 90 days : 90 flight time total : 7000 flight time type : 2700 |
| ASRS Report | 425310 |
| Person 2 | |
| Affiliation | Other |
| Function | flight crew : first officer |
| Qualification | pilot : commercial |
| Experience | flight time last 90 days : 45 flight time total : 475 flight time type : 132 |
| ASRS Report | 425301 |
| Events | |
| Anomaly | altitude deviation : overshoot non adherence : far other anomaly other other spatial deviation |
| Independent Detector | other controllera |
| Resolutory Action | other |
| Consequence | Other |
| Supplementary | |
| Air Traffic Incident | Operational Deviation |
Narrative:
On jan/xa/99 in the descent to ege, co, I was acting PIC of a learjet 60, operating under part 91 rules. During the descent, we received a clearance to descend to 11000 ft MSL. The copilot read back and set 11000 ft in the altitude alert system. We were subsequently handed off to another controller and were descended through about 17500 ft during the handoff. The copilot checked on descending through 17000 ft for 11000 ft direct rlg (kremling VOR). Descending through around 13000 ft, the controller asked our altitude and we responded through 12600 ft for 11000 ft. The controller responded, 'what are your flight conditions?' to which I responded, 'just approaching the tops of the clouds.' the controller replied, 'you were cleared to 14000 ft,' to which I replied 'we were previously cleared to and read back 11000 ft.' the controller replied, 'no, you weren't.' I replied, 'out of 12600 ft, climbing 14000 ft.' no further incident. During the descent an inappropriate altitude was given and looking back, should not have been accepted. We had briefed the approach and discussed an MSA of 15200 ft. We were given an altitude of 11000 ft and quite frankly, because of the VMC conditions, it did not set off an alarm in my head as it should have! Had I been following my briefing of the approach, not only would I have questioned the 11000 ft altitude, but should have questioned the 14000 ft altitude as well -- whether VMC or IMC conditions prevail!
Original NASA ASRS Text
Title: A LEAR 60 DSNDS BELOW THE MSA OF 15200 FT IN THE EGE, CO, AREA. BOTH FLC MEMBERS HEARD AND RESPONDED TO A CLRNC TO 11000 FT.
Narrative: ON JAN/XA/99 IN THE DSCNT TO EGE, CO, I WAS ACTING PIC OF A LEARJET 60, OPERATING UNDER PART 91 RULES. DURING THE DSCNT, WE RECEIVED A CLRNC TO DSND TO 11000 FT MSL. THE COPLT READ BACK AND SET 11000 FT IN THE ALT ALERT SYS. WE WERE SUBSEQUENTLY HANDED OFF TO ANOTHER CTLR AND WERE DSNDED THROUGH ABOUT 17500 FT DURING THE HDOF. THE COPLT CHKED ON DSNDING THROUGH 17000 FT FOR 11000 FT DIRECT RLG (KREMLING VOR). DSNDING THROUGH AROUND 13000 FT, THE CTLR ASKED OUR ALT AND WE RESPONDED THROUGH 12600 FT FOR 11000 FT. THE CTLR RESPONDED, 'WHAT ARE YOUR FLT CONDITIONS?' TO WHICH I RESPONDED, 'JUST APCHING THE TOPS OF THE CLOUDS.' THE CTLR REPLIED, 'YOU WERE CLRED TO 14000 FT,' TO WHICH I REPLIED 'WE WERE PREVIOUSLY CLRED TO AND READ BACK 11000 FT.' THE CTLR REPLIED, 'NO, YOU WEREN'T.' I REPLIED, 'OUT OF 12600 FT, CLBING 14000 FT.' NO FURTHER INCIDENT. DURING THE DSCNT AN INAPPROPRIATE ALT WAS GIVEN AND LOOKING BACK, SHOULD NOT HAVE BEEN ACCEPTED. WE HAD BRIEFED THE APCH AND DISCUSSED AN MSA OF 15200 FT. WE WERE GIVEN AN ALT OF 11000 FT AND QUITE FRANKLY, BECAUSE OF THE VMC CONDITIONS, IT DID NOT SET OFF AN ALARM IN MY HEAD AS IT SHOULD HAVE! HAD I BEEN FOLLOWING MY BRIEFING OF THE APCH, NOT ONLY WOULD I HAVE QUESTIONED THE 11000 FT ALT, BUT SHOULD HAVE QUESTIONED THE 14000 FT ALT AS WELL -- WHETHER VMC OR IMC CONDITIONS PREVAIL!
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.