 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
Sct controller described loss of separation at 5000 ft between 2 aircraft under his or her control; FAA records indicate a pilot deviation.
| Attributes | |
| ACN | 692341 |
| Time | |
| Date | 200603 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : vny.airport |
| State Reference | CA |
| Altitude | msl single value : 5000 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : sct.tracon |
| Operator | general aviation : personal |
| Make Model Name | MU-300 Diamond 1/1A |
| Operating Under FAR Part | Part 91 |
| Navigation In Use | ils localizer & glide slope : 16r |
| Flight Phase | descent : approach |
| Route In Use | approach : instrument precision |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | tracon : sct.tracon |
| Operator | general aviation : personal |
| Make Model Name | PA-28 Cherokee Arrow IV |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : radar controller : non radar |
| Experience | controller limited radar : 5 controller non radar : 3 controller radar : 7 controller time certified in position1 : 7 controller time certified in position2 : 6 |
| ASRS Report | 692341 |
| Person 2 | |
| Affiliation | other |
| Function | flight crew : single pilot |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : required legal separation |
| Independent Detector | atc equipment : conflict alert other controllera |
| Resolutory Action | controller : issued new clearance controller : issued alert |
| Consequence | faa : investigated |
| Miss Distance | horizontal : 12000 vertical : 400 |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance ATC Human Performance |
| Primary Problem | Ambiguous |
Narrative:
MU30 was issued a descent from 6000 ft to 5000 ft and cleared for an ILS runway 16R approach to vny. The aircraft started a normal descent but then leveled off at 5600 ft for about 30 seconds and conflicted with the P28R that was level at 6000 ft passing left to right. I was busy with approximately 6 aircraft on frequency and resequencing a lot because of aircraft performance characteristics. The supervisor was trying to assist; however he/she was constantly trying to get me to issue control instructions which; at the time; were contrary to FAA handbook 7110.65 and the plan I was working.
Original NASA ASRS Text
Title: SCT CTLR DESCRIBED LOSS OF SEPARATION AT 5000 FT BTWN 2 ACFT UNDER HIS OR HER CTL; FAA RECORDS INDICATE A PLTDEV.
Narrative: MU30 WAS ISSUED A DSCNT FROM 6000 FT TO 5000 FT AND CLRED FOR AN ILS RWY 16R APCH TO VNY. THE ACFT STARTED A NORMAL DSCNT BUT THEN LEVELED OFF AT 5600 FT FOR ABOUT 30 SECONDS AND CONFLICTED WITH THE P28R THAT WAS LEVEL AT 6000 FT PASSING L TO R. I WAS BUSY WITH APPROX 6 ACFT ON FREQ AND RESEQUENCING A LOT BECAUSE OF ACFT PERFORMANCE CHARACTERISTICS. THE SUPVR WAS TRYING TO ASSIST; HOWEVER HE/SHE WAS CONSTANTLY TRYING TO GET ME TO ISSUE CTL INSTRUCTIONS WHICH; AT THE TIME; WERE CONTRARY TO FAA HANDBOOK 7110.65 AND THE PLAN I WAS WORKING.
Data retrieved from NASA's ASRS site as of January 2009 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.