ZOA OCEANIC MANUAL CTLR INCURS ODAPS SOFTWARE INTERRUPT REQUIRING A SYS 'COLD START.' EXCESSIVE MANUAL STRIP PRODUCTION A RESULT.
Synopsis
ZOA OCEANIC MANUAL CTLR INCURS ODAPS SOFTWARE INTERRUPT REQUIRING A SYS 'COLD START.' EXCESSIVE MANUAL STRIP PRODUCTION A RESULT.
Narrative
WHILE WORKING OCEANIC POS XYZ AT APPROX XA30; I RECEIVED SEVERAL SYS MESSAGES ADVISING ME OF AN ODAPS SYS STARTOVER. PRIOR TO THIS; I HAD CLBED ACR X FROM FL330 TO FL350. WHEN I RECEIVED THE LEVEL RPT ON THIS ACFT; THE MESSAGE SHOWED A RED ATL FOR ACR X OF FL350. WHEN I LOOKED AT THE ISD; IT SHOWED ACR X AT FL330. THE DATABASE WAS NO LONGER REFLECTING THE ALT CHANGE; EVEN THOUGH IT HAD ACCEPTED THE CHANGE WHEN I CLRED THE ACFT. I IMMEDIATELY DID A MANUAL DATABASE ALT CHANGE TO FL350 ON ACR X. ODAPS ACCEPTED THE CHANGE. I THEN ATTEMPTED TO SHOW THE ACFT LEVEL WITH NO SUCCESS. UPON THE NEXT STARTOVER; THE FL350 WAS AGAIN DELETED. FINALLY; AFTER SEVERAL ATTEMPTS; I WAS ABLE TO INSERT THE NEW ALT AND SHOW ACR X LEVEL IN THE DATABASE. ADDITIONALLY; I WAS UNABLE TO CLB AN ODL ACFT (PER HIS REQUEST) DUE TO A 'MC FROZEN' MESSAGE. I ALSO RECEIVED NO LESS THAN 3 MESSAGES STATING THAT ACR Y WAS AN UNSUCCESSFUL FLT PLAN PASS TO ZLA. THIS HAPPENED DURING THE BUSY TFC PERIOD FOR ZOA OCEANIC TFC. THE OTHER ZOA OCEANIC SECTORS WERE EXPERIENCING SIMILAR SITS. AT APPROX XB15; A COMPLETE 'COLD START' WAS REQUIRED; WHICH INCLUDED A TOTAL DUMP OF ALL FLT PLANS. AFTER THE COLD START; STAFFING IN THE AREA WAS AFFECTED; AS SEVERAL OCEANIC CTLRS WERE REQUIRED TO REINPUT THE LOST FLT PLANS. THIS HAD AN AFFECT ON THE TRANSITION RADAR SECTORS; AS THEY WERE NOW BEING REQUIRED TO GIVE INCOMING ACFT FULL RTE CLRNCS TO THEIR DEST ARPT (DUE TO UNCERTAINTY OF THE CORRECTNESS OF THE FLT PLAN). THIS ALSO AFFECTED OCEANIC SECTORS GETTING THEIR FLT STRIPS IN A TIMELY MANNER; AS STRIPS WERE BEING GENERATED 25 TIMES OR MORE ON THE SAME ACFT. ACR Z IS AN EXAMPLE OF THIS; GOING FROM HONOLULU TO MANILA; GENERATING AT LEAST 10 STRIPS EACH TIME (TOTAL OF 250 OR MORE WORTHLESS STRIPS); CAUSING DELAYS ON OTHER ACTIVE STRIPS TO BE DELIVERED. DURING THIS TIME; CTLRS DID NOT CLB ACFT DUE TO THE UNCERTAINTY/INSTABILITY OF THE SYS. THIS IMPACTED FUEL COSTS TO THE AIRLINES. ODAPS OUTAGES; BOTH SCHEDULED AND UNSCHEDULED; ARE A RECURRING PROB AT ZOA. IT IS MY UNDERSTANDING THAT THE NAS/NOM IN CHARGE WAS UNABLE TO CONTACT ANY AOS PERSONNEL DURING THIS PARTICULAR OUTAGE (POSSIBLY DUE TO THEM BEING ENRTE TO THE FACILITY). ADDITIONALLY; IT APPEARED THAT THE NAS/NOM DID NOT SEEM TO POSSESS REQUISITE KNOWLEDGE TO CORRECT PROBS (MY OPINION). HE ADVISED THE AREA SUPVR THAT THE COLD START WOULD ONLY TAKE 5 MINS AND THAT ODL WOULD BE LOST. THIS WAS NOT THE CASE.
Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.