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A B737-300 flight crew has an near midair collision with a DHC8 when cleared to descend towards the latter's altitude near terri intersection, de.
| Attributes | |
| ACN | 516318 |
| Time | |
| Date | 200106 |
| Day | Wed |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | intersection : terri |
| State Reference | DE |
| Altitude | msl single value : 6500 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : phl.tracon tracon : sct.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | descent : approach |
| Route In Use | arrival : on vectors |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | tracon : phl.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | Dash 8 Series Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 12000 flight time type : 2000 |
| ASRS Report | 516318 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | conflict : nmac non adherence : published procedure non adherence : required legal separation |
| Independent Detector | atc equipment other atc equipment : conflict alert aircraft equipment : tcas other controllera other flight crewa other flight crewb |
| Resolutory Action | controller : issued new clearance controller : issued alert controller : separated traffic flight crew : took evasive action |
| Consequence | faa : reviewed incident with flight crew faa : investigated |
| Miss Distance | horizontal : 400 vertical : 400 |
| Supplementary | |
| Problem Areas | Airspace Structure ATC Human Performance |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
On vectors past terri at 7000 ft ar 210 KTS. Controller cleared us to 6000 ft. At 6500 ft captain saw traffic at 10 O'clock position on an intercepting path. At that time I visually saw traffic. RA went on, I climbed back toward 7000 ft. ATC said climb to 7000 ft. We got phone numbers from ATC. Captain filed report.
Original NASA ASRS Text
Title: A B737-300 FLC HAS AN NMAC WITH A DHC8 WHEN CLRED TO DSND TOWARDS THE LATTER'S ALT NEAR TERRI INTXN, DE.
Narrative: ON VECTORS PAST TERRI AT 7000 FT AR 210 KTS. CTLR CLRED US TO 6000 FT. AT 6500 FT CAPT SAW TFC AT 10 O'CLOCK POS ON AN INTERCEPTING PATH. AT THAT TIME I VISUALLY SAW TFC. RA WENT ON, I CLBED BACK TOWARD 7000 FT. ATC SAID CLB TO 7000 FT. WE GOT PHONE NUMBERS FROM ATC. CAPT FILED RPT.
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.