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Near midair collision. Captain of a widebody transport descended and turned in response to a TCASII RA and a TA from approach controller during a visual approach to a non tower airport.
| Attributes | |
| ACN | 421703 |
| Time | |
| Date | 199811 |
| Day | Sun |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : sbd |
| State Reference | CA |
| Altitude | agl bound lower : 700 agl bound upper : 1400 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Operating Under FAR Part | other : unknown |
| Flight Phase | cruise other |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : commercial pilot : flight engineer |
| Experience | flight time last 90 days : 118 flight time total : 22153 flight time type : 7155 |
| ASRS Report | 421703 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial |
| Events | |
| Anomaly | conflict : nmac other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other controllera other flight crewa |
| Resolutory Action | flight crew : returned to intended course or assigned course flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 100 vertical : 500 |
Narrative:
On vectors for approach to sbd runway 6 by socal approach, cleared for approach about 8 NM out from airport (runway in sight). Told to contact unicom. Gave TA to unicom 3 times and returned to approach as instructed. Socal advised of traffic at 10 O'clock, 2 mi at 2600 ft (GS intercept altitude). Shortly thereafter, he advised we were merging with target. TCASII gave a 'descend now' at which time I descended and broke to right. Light aircraft observed off our left and slightly above looked like he took no action. Did a 360 degree turn at 700 ft AGL and landed.
Original NASA ASRS Text
Title: NMAC. CAPT OF A WDB DSNDED AND TURNED IN RESPONSE TO A TCASII RA AND A TA FROM APCH CTLR DURING A VISUAL APCH TO A NON TWR ARPT.
Narrative: ON VECTORS FOR APCH TO SBD RWY 6 BY SOCAL APCH, CLRED FOR APCH ABOUT 8 NM OUT FROM ARPT (RWY IN SIGHT). TOLD TO CONTACT UNICOM. GAVE TA TO UNICOM 3 TIMES AND RETURNED TO APCH AS INSTRUCTED. SOCAL ADVISED OF TFC AT 10 O'CLOCK, 2 MI AT 2600 FT (GS INTERCEPT ALT). SHORTLY THEREAFTER, HE ADVISED WE WERE MERGING WITH TARGET. TCASII GAVE A 'DSND NOW' AT WHICH TIME I DSNDED AND BROKE TO R. LIGHT ACFT OBSERVED OFF OUR L AND SLIGHTLY ABOVE LOOKED LIKE HE TOOK NO ACTION. DID A 360 DEG TURN AT 700 FT AGL AND LANDED.
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.