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Airborne conflict between IFR medium large transport and VFR aircraft while medium large transport in contact with approach controller.
| Attributes | |
| ACN | 116804 |
| Time | |
| Date | 198906 |
| Day | Mon |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : hub |
| State Reference | TX |
| Altitude | msl bound lower : 10500 msl bound upper : 11000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : iah |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Navigation In Use | Other |
| Flight Phase | descent other |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | cruise other cruise other |
| Flight Plan | VFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 50 flight time total : 8800 flight time type : 50 |
| ASRS Report | 116804 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Events | |
| Anomaly | conflict : airborne less severe other anomaly other |
| Independent Detector | other controllera other flight crewa |
| Resolutory Action | none taken : anomaly accepted |
| Consequence | Other |
| Miss Distance | horizontal : 0 vertical : 500 |
| Supplementary | |
| Primary Problem | Ambiguous |
| Air Traffic Incident | other |
Narrative:
Cleared to descend to 10,000 MSL. Passing approximately 12,500 MSL, approach control advised us of light airplane traffic at 12 O'clock, opposite direction, level at 10,500' MSL, about 5 NM away. Not seeing the traffic we told the controller we would level off at 11,000'. Now all of this sounds simple enough and we made a reasonably intelligent decision to level off. My question is why didn't the controller tell us to level off. We might have been dumb a's for all he knew. This see and avoid nonsense is literally for the birds.
Original NASA ASRS Text
Title: AIRBORNE CONFLICT BETWEEN IFR MLG AND VFR ACFT WHILE MLG IN CONTACT WITH APCH CTLR.
Narrative: CLRED TO DSND TO 10,000 MSL. PASSING APPROX 12,500 MSL, APCH CTL ADVISED US OF LIGHT AIRPLANE TFC AT 12 O'CLOCK, OPPOSITE DIRECTION, LEVEL AT 10,500' MSL, ABOUT 5 NM AWAY. NOT SEEING THE TFC WE TOLD THE CTLR WE WOULD LEVEL OFF AT 11,000'. NOW ALL OF THIS SOUNDS SIMPLE ENOUGH AND WE MADE A REASONABLY INTELLIGENT DECISION TO LEVEL OFF. MY QUESTION IS WHY DIDN'T THE CTLR TELL US TO LEVEL OFF. WE MIGHT HAVE BEEN DUMB A'S FOR ALL HE KNEW. THIS SEE AND AVOID NONSENSE IS LITERALLY FOR THE BIRDS.
Data retrieved from NASA's ASRS site as of August 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.