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A king air PIC elects to turn away from advisory traffic in conflict with ATC instructions while on a base leg for landing bjc, co.
| Attributes | |
| ACN | 448714 |
| Time | |
| Date | 199909 |
| Day | Mon |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : bjc.airport |
| State Reference | CO |
| Altitude | msl single value : 7000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | general aviation : corporate |
| Make Model Name | Super King Air 200 HDC |
| Operating Under FAR Part | Part 91 |
| Flight Phase | descent : approach |
| Route In Use | approach : traffic pattern approach : visual arrival : on vectors |
| Flight Plan | VFR |
| Aircraft 2 | |
| Controlling Facilities | tower : bjc.tower |
| Operator | general aviation : corporate |
| Make Model Name | Gates Learjet Corp Undifferentiated or Other Model |
| Operating Under FAR Part | Part 91 |
| Flight Phase | descent : approach |
| Route In Use | approach : traffic pattern approach : straight in |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : corporate |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 75 flight time total : 17500 flight time type : 10000 |
| ASRS Report | 448714 |
| Person 2 | |
| Affiliation | company : corporate |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : multi engine pilot : instrument |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : required legal separation non adherence : clearance other spatial deviation |
| Independent Detector | other controllera other flight crewa |
| Resolutory Action | controller : issued new clearance flight crew : took precautionary avoidance action |
| Miss Distance | horizontal : 1000 vertical : 200 |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Airspace Structure ATC Human Performance |
| Primary Problem | ATC Human Performance |
Narrative:
While on landing approach, the tower instructed us to plan to follow an aircraft on a 2 mi final to runway 29R. Subsequently, he instructed us to cross the centerline of runway 29R and we were cleared to land on runway 29L (since he had a learjet on a 3 mi final to runway 29R and we wouldn't be clear), then when we were approximately in the middle of our base to runway 29L near the centerline of runway 29R, he instructed us to make an immediate left turn to 'rejoin the downwind.' this action would have put us flying directly into the approaching learjet. We declined and instead turned right to clear both final approach courses. As we were in the right turn, the learjet passed slightly above and left of our path on his final to runway 29R. We did not comply with the tower's instruction due to obvious danger of collision with the learjet.
Original NASA ASRS Text
Title: A KING AIR PIC ELECTS TO TURN AWAY FROM ADVISORY TFC IN CONFLICT WITH ATC INSTRUCTIONS WHILE ON A BASE LEG FOR LNDG BJC, CO.
Narrative: WHILE ON LNDG APCH, THE TWR INSTRUCTED US TO PLAN TO FOLLOW AN ACFT ON A 2 MI FINAL TO RWY 29R. SUBSEQUENTLY, HE INSTRUCTED US TO CROSS THE CTRLINE OF RWY 29R AND WE WERE CLRED TO LAND ON RWY 29L (SINCE HE HAD A LEARJET ON A 3 MI FINAL TO RWY 29R AND WE WOULDN'T BE CLR), THEN WHEN WE WERE APPROX IN THE MIDDLE OF OUR BASE TO RWY 29L NEAR THE CTRLINE OF RWY 29R, HE INSTRUCTED US TO MAKE AN IMMEDIATE L TURN TO 'REJOIN THE DOWNWIND.' THIS ACTION WOULD HAVE PUT US FLYING DIRECTLY INTO THE APCHING LEARJET. WE DECLINED AND INSTEAD TURNED R TO CLR BOTH FINAL APCH COURSES. AS WE WERE IN THE R TURN, THE LEARJET PASSED SLIGHTLY ABOVE AND L OF OUR PATH ON HIS FINAL TO RWY 29R. WE DID NOT COMPLY WITH THE TWR'S INSTRUCTION DUE TO OBVIOUS DANGER OF COLLISION WITH THE LEARJET.
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.