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A cpr PIC leaves his assigned altitude prematurely during the localizer intercept for an lda runway 12L approach into stl, mo.
| Attributes | |
| ACN | 504530 |
| Time | |
| Date | 200103 |
| Day | Thu |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : stl.airport |
| State Reference | MO |
| Altitude | msl bound lower : 3600 msl bound upper : 4600 |
| Environment | |
| Flight Conditions | Marginal |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : t75.tracon |
| Operator | general aviation : corporate |
| Make Model Name | Small Transport, Low Wing, 2 Turbojet Eng |
| Operating Under FAR Part | Part 91 |
| Navigation In Use | ils localizer only : 12l |
| Flight Phase | descent : vacating altitude |
| Route In Use | approach : instrument non precision approach other arrival : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : corporate |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : multi engine pilot : instrument pilot : commercial pilot : cfi |
| Experience | flight time last 90 days : 156 flight time total : 8200 flight time type : 1500 |
| ASRS Report | 504530 |
| Person 2 | |
| Affiliation | company : corporate |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : multi engine pilot : instrument |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude non adherence : published procedure non adherence : clearance other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance controller : issued advisory |
| Consequence | faa : reviewed incident with flight crew |
| Supplementary | |
| Problem Areas | Chart Or Publication Airspace Structure ATC Human Performance Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
I was in a close-in turn hand flying the airplane and my concentration was not on the radio calls from approach. This was my first trip with this copilot. I should have reaffirmed as to whether or not we were in fact cleared for the approach. Although it was a tight turn to intercept and I was busy, I should have checked we were to descend and maintain 4600 ft. Approach turned us on an intercept heading close in. We intercepted the localizer at the 11 DME. I asked my copilot if I could descend and to what altitude. He replied that we could go to 3600 ft. I started to descend and at 4300 ft the controller reminded us that although we were on the localizer we had not been cleared for the approach, whereupon he cleared us for the approach.
Original NASA ASRS Text
Title: A CPR PIC LEAVES HIS ASSIGNED ALT PREMATURELY DURING THE LOC INTERCEPT FOR AN LDA RWY 12L APCH INTO STL, MO.
Narrative: I WAS IN A CLOSE-IN TURN HAND FLYING THE AIRPLANE AND MY CONCENTRATION WAS NOT ON THE RADIO CALLS FROM APCH. THIS WAS MY FIRST TRIP WITH THIS COPLT. I SHOULD HAVE REAFFIRMED AS TO WHETHER OR NOT WE WERE IN FACT CLRED FOR THE APCH. ALTHOUGH IT WAS A TIGHT TURN TO INTERCEPT AND I WAS BUSY, I SHOULD HAVE CHKED WE WERE TO DSND AND MAINTAIN 4600 FT. APCH TURNED US ON AN INTERCEPT HDG CLOSE IN. WE INTERCEPTED THE LOC AT THE 11 DME. I ASKED MY COPLT IF I COULD DSND AND TO WHAT ALT. HE REPLIED THAT WE COULD GO TO 3600 FT. I STARTED TO DSND AND AT 4300 FT THE CTLR REMINDED US THAT ALTHOUGH WE WERE ON THE LOC WE HAD NOT BEEN CLRED FOR THE APCH, WHEREUPON HE CLRED US FOR THE APCH.
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.