1998-07 · NASA ASRS report 407350
B747 CREW ENTERS WARNING AREA WITHOUT CLRNC IN ZOA AIRSPACE.
HAVING BEEN OFF FOR OVER 50 DAYS AND HAVING ONLY USED THE LITTON-92 FOR NAV 4 TIMES IN THE PAST I ARRIVED EARLY AND WITH THE FO COMPLETED A THOROUGH PREFLT LOADING AND RECHK OF THE WAYPOINTS IN THE NEW LITTON-92 INERTIAL NAV SYS. TKOF WAS AT XX25Z AND WAS ASSIGNED THE MOLEN TWO (MOLEN2.MOLEN) DEP. THE FO CONTACTED BAY DEP CTL AND AFTER WESLA INTXN I TRANSITIONED TO THE SFO 287 DEG RADIAL (V199) OUT TO MOLEN INTXN. WE WERE HANDED OFF TO ZOA. JUST AS I WAS TUNING THE 156 DEG RADIAL OF ENI WE WERE THEN CLRED DIRECT TO KENNT INTXN. I SWITCHED ON THE AUTOPLT AND PRESSED THE DIR KEY ON THE LITTON-92 THEN TYPED THE FIRST LETTER OF THE WAYPOINT. THE CDU DISPLAYED KENNT ON LINE 4 (HERE IS MY ERROR); I THEN PRESSED ENT AND WAS ASKED TO CONFIRM 'K' N 48 DEG 38.46 E 21 DEG 14.00 SLAVIC. SO I REPEATED THE PROCESS WITH THE SAME RESULTS; DURING THIS TIME ZOA CALLED AND ASKED IF WE WERE PROCEEDING TO KENNT. NOW I HAD JUST SPENT ABOUT 40 MINS GOING THROUGH EVERY WAYPOINT ON OUR RTE. I ANSWERED THAT I WAS GETTING SOME WAYPOINT IN YUGOSLAVIA. I THEN BEGAN TYPING IN KENNT ON THE DIRECT PAGE; WHICH IS COMPLICATED BY THE FACT THAT ALL THE KEYS ON THE LITTON-92 HAVE AT LEAST TWO AND SOME THREE DIFFERENT FUNCTIONS. AT THIS TIME ZOA CALLED SAYING THAT WE WERE GOING TO ENTER A WARNING AREA AND TO TURN TO A HDG OF 010 DEGS. I IMMEDIATELY TURNED THE ACFT. AFTER BEING HANDED OFF TO THE HIGH ALT SECTOR I ASKED THE CTLR IF WE HAD ENTERED THE WARNING AREA HE RESPONDED NO WE HAD NOT. AFTER ABOUT 45 MINS WE RECEIVED A SELCAL FROM SAN FRANCISCO COMMERCIAL RADIO ASKING THAT WE CALL ZOA. I USED THE SATELLITE PHONE ON THE ACARS AND ASKED CHICAGO DISPATCH TO PATCH US THROUGH. I WAS CONNECTED WITH A SUPVR WHO INFORMED ME THAT HE DIDN'T HAVE ANY DETAILS AND ASKED THAT I CALL BACK WHEN I ARRIVED AT MY DEST. I INFORMED HIM THAT I WOULD NOT BE LNDG UNTIL LATE. THE SUPVR THEN ASKED THAT I CALL BACK IN 1 HR AND HE WOULD HAVE THE DETAILS FOR ME. I CALLED BACK AS REQUESTED AND THE SUPVR INFORMED THAT WE HAD GONE 5 MI INTO W-260. I ASKED IF THERE HAD BEEN ANY TFC CONFLICTS CAUSED BY THIS AND WAS TOLD THAT THERE WAS NO CONFLICTING TFC.
More incidents for this aircraft family
Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.
Loading the flight search…
Pick an aircraft model — Boeing 737, Airbus A320, A380, Boeing 787 Dreamliner and more — enter your origin airport, and FlightFinder shows every route that plane flies from there with live fares.
We support Boeing 737/747/757/767/777/787, the full Airbus A220/A319/A320/A321/A330/A340/A350/A380 family, Embraer E170/E175/E190/E195, Bombardier CRJ and Dash 8, and the ATR 42/72 turboprops.
Search and schedules are free. Pro ($4.99/month, $39/year, or $99 one-time lifetime) unlocks the enriched flight card — on-time stats, CO₂ per passenger, amenities, live gate & weather — plus My Trips with push alerts.
Live schedules come from Amadeus, AeroDataBox and Travelpayouts. Observed routes (which aircraft actually flew a given city pair) are crowdsourced from adsb.lol ADS-B data under the Open Database License.