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Air carrier X non adherence to ATC clearance created near midair collision less than standard separation from air carrier Y. Pilot deviation.
| Attributes | |
| ACN | 185165 |
| Time | |
| Date | 199108 |
| Day | Fri |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : mia |
| State Reference | FL |
| Altitude | msl bound lower : 7000 msl bound upper : 7000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : mia |
| Operator | common carrier : air carrier |
| Make Model Name | Large Transport, Low Wing, 2 Turbojet Eng |
| Navigation In Use | Other Other |
| Flight Phase | descent other |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Navigation In Use | Other |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 250 flight time total : 10000 flight time type : 1000 |
| ASRS Report | 185165 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | altitude deviation : undershoot conflict : nmac non adherence : required legal separation non adherence : far non adherence : clearance other spatial deviation |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : took evasive action |
| Consequence | faa : investigated |
| Miss Distance | horizontal : 0 vertical : 300 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Air carrier X from lga to mia. After starting descent into mia area honoel arrival, vectored by ATC and given heading of 240 degrees and cleared to descend to 4000 ft MSL. Passing 7500 ft MSL ATC called traffic at 11 O'clock and said he was air carrier Y climbing through 7000 ft MSL. This put us on a converging course. We stopped our descent and turned further right and started to climb to 8000 ft to avoid traffic. This was an ATC error as they cleared our flight to 4000 ft right into another aircraft's flight path. Our airplane had no TCAS installed.
Original NASA ASRS Text
Title: ACR X NON ADHERENCE TO ATC CLRNC CREATED NMAC LTSS FROM ACR Y. PLTDEV.
Narrative: ACR X FROM LGA TO MIA. AFTER STARTING DSCNT INTO MIA AREA HONOEL ARR, VECTORED BY ATC AND GIVEN HDG OF 240 DEGS AND CLRED TO DSND TO 4000 FT MSL. PASSING 7500 FT MSL ATC CALLED TFC AT 11 O'CLOCK AND SAID HE WAS ACR Y CLBING THROUGH 7000 FT MSL. THIS PUT US ON A CONVERGING COURSE. WE STOPPED OUR DSCNT AND TURNED FURTHER R AND STARTED TO CLB TO 8000 FT TO AVOID TFC. THIS WAS AN ATC ERROR AS THEY CLRED OUR FLT TO 4000 FT RIGHT INTO ANOTHER ACFT'S FLT PATH. OUR AIRPLANE HAD NO TCAS INSTALLED.
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.