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An LR23 flying through sdf airspace has a less severe near midair collision because the flight crew took evasive action.
| Attributes | |
| ACN | 413571 |
| Time | |
| Date | 199809 |
| Day | Fri |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : sdf |
| State Reference | KY |
| Altitude | msl bound lower : 5800 msl bound upper : 5800 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : sdf |
| Operator | common carrier : air taxi |
| Make Model Name | Learjet 23 |
| Operating Under FAR Part | Part 135 |
| Flight Phase | descent other |
| Route In Use | arrival other |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | PA-46 Malibu |
| Operating Under FAR Part | other : unknown |
| Person 1 | |
| Affiliation | company : air taxi |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument pilot : atp pilot : cfi |
| Experience | flight time last 90 days : 100 flight time total : 4500 flight time type : 1500 |
| ASRS Report | 413571 |
| Person 2 | |
| Affiliation | company : air taxi |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | conflict : airborne less severe other anomaly other |
| Independent Detector | other controllera other flight crewa |
| Resolutory Action | flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 2000 vertical : 0 |
| Supplementary | |
| Air Traffic Incident | other |
Narrative:
LR23, being flown by copilot, was being vectored by louisville approach for an arrival, IFR in VMC, to sdf. LR23 was told to descend from 7000 ft MSL to 5000 ft MSL. At 5800 ft, during the descent, ATC advised 'traffic 12 O'clock, 5500 ft.' we, the crew, did not see traffic because of haze until evasive action was necessary to avoid collision. If the crew had not taken evasive action, a midair would have occurred. We advised ATC of the problem and were informed he was busy and had a lot of traffic. LR23 was traveling at 250 KIAS.
Original NASA ASRS Text
Title: AN LR23 FLYING THROUGH SDF AIRSPACE HAS A LESS SEVERE NMAC BECAUSE THE FLC TOOK EVASIVE ACTION.
Narrative: LR23, BEING FLOWN BY COPLT, WAS BEING VECTORED BY LOUISVILLE APCH FOR AN ARR, IFR IN VMC, TO SDF. LR23 WAS TOLD TO DSND FROM 7000 FT MSL TO 5000 FT MSL. AT 5800 FT, DURING THE DSCNT, ATC ADVISED 'TFC 12 O'CLOCK, 5500 FT.' WE, THE CREW, DID NOT SEE TFC BECAUSE OF HAZE UNTIL EVASIVE ACTION WAS NECESSARY TO AVOID COLLISION. IF THE CREW HAD NOT TAKEN EVASIVE ACTION, A MIDAIR WOULD HAVE OCCURRED. WE ADVISED ATC OF THE PROB AND WERE INFORMED HE WAS BUSY AND HAD A LOT OF TFC. LR23 WAS TRAVELING AT 250 KIAS.
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.