|37000 Feet||Browse and search NASA's
Aviation Safety Reporting System
|Local Time Of Day||0601 To 1200|
|Locale Reference||airport : lax|
|Controlling Facilities||artcc : zla|
tracon : lax
|Route In Use||enroute airway : lax|
enroute airway : zla
|Affiliation||government : faa|
|Function||controller : radar|
|Qualification||controller : radar|
|Anomaly||other anomaly other|
|Independent Detector||other controllera|
|Consequence||faa : investigated|
|Primary Problem||ATC Human Performance|
|Air Traffic Incident||other|
|ATC Facility||procedure or policy : unspecified|
On or about 2/tue/88, lax runway 24L will be closed until 6/wed/88 for runway resurfacing. In order to keep traffic flowing, a move to shift only about 50 flts around was done. Since this would not be enough to accommodate the over 2000 operations handled daily at lax and since the one runway closure would have a net effect of 40-50% reduction in traffic vol due to the factors of having to taxi off at the end of 24R and many other factors, tmu has proposed to have what is called 'free flow' off lax. La TRACON will force as many aircraft off lax west/O any type of flow except minimum sep either speed or altitude or both. While this may be fine for the handling IFR traffic, the result is the controller will be so busy with so many airplanes, that he will not be able to safely comply with 7110.65E chapter 2-6 note 3 (B) aircraft conflict alert. I was on sector 21 on 2/thu & fri when simulated 'free flow flushes' were in progress. With the already saturated sector working lgb and sna traffic, en route traffic and now what can be best described as 'wild traffic releases' off lax, controllers were doing all they could just to unlap data blocks. This is absurd and unsafe.
Original NASA ASRS Text
Title: CTLR COMPLAINT ABOUT RWY CLOSURE AND INTERIM PROCS FOR LAX ARPT AND WORKLOAD INVOLVED.
Narrative: ON OR ABOUT 2/TUE/88, LAX RWY 24L WILL BE CLOSED UNTIL 6/WED/88 FOR RWY RESURFACING. IN ORDER TO KEEP TFC FLOWING, A MOVE TO SHIFT ONLY ABOUT 50 FLTS AROUND WAS DONE. SINCE THIS WOULD NOT BE ENOUGH TO ACCOMMODATE THE OVER 2000 OPS HANDLED DAILY AT LAX AND SINCE THE ONE RWY CLOSURE WOULD HAVE A NET EFFECT OF 40-50% REDUCTION IN TFC VOL DUE TO THE FACTORS OF HAVING TO TAXI OFF AT THE END OF 24R AND MANY OTHER FACTORS, TMU HAS PROPOSED TO HAVE WHAT IS CALLED 'FREE FLOW' OFF LAX. LA TRACON WILL FORCE AS MANY ACFT OFF LAX W/O ANY TYPE OF FLOW EXCEPT MINIMUM SEP EITHER SPD OR ALT OR BOTH. WHILE THIS MAY BE FINE FOR THE HANDLING IFR TFC, THE RESULT IS THE CTLR WILL BE SO BUSY WITH SO MANY AIRPLANES, THAT HE WILL NOT BE ABLE TO SAFELY COMPLY WITH 7110.65E CHAPTER 2-6 NOTE 3 (B) ACFT CONFLICT ALERT. I WAS ON SECTOR 21 ON 2/THU & FRI WHEN SIMULATED 'FREE FLOW FLUSHES' WERE IN PROGRESS. WITH THE ALREADY SATURATED SECTOR WORKING LGB AND SNA TFC, ENRTE TFC AND NOW WHAT CAN BE BEST DESCRIBED AS 'WILD TFC RELEASES' OFF LAX, CTLRS WERE DOING ALL THEY COULD JUST TO UNLAP DATA BLOCKS. THIS IS ABSURD AND UNSAFE.
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.