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Approaching the coast from hnl air carrier was advised they were 20 NM north of track. After landing one INS was noted with a 18 NM error.
| Attributes | |
| ACN | 167924 |
| Time | |
| Date | 199101 |
| Day | Thu |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : lax |
| State Reference | CA |
| Altitude | msl bound lower : 36000 msl bound upper : 36000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zla |
| Operator | common carrier : air carrier |
| Make Model Name | Widebody, Low Wing, 4 Turbojet Eng |
| Navigation In Use | Other |
| Flight Phase | cruise other |
| Route In Use | enroute : other oceanic enroute : pacific enroute airway : zla enroute other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 15000 flight time type : 2000 |
| ASRS Report | 167924 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Events | |
| Anomaly | aircraft equipment problem : less severe other spatial deviation |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
Flight from hnl-lax. Given clearance to contact ZLA at edsel. Unable to make contact initially at edsel. When contact finally made, controller gave us direct dinty and that we were 20 mi north of course. We could not determine cause. When I talked to center on phone I mentioned that we had an air carrier Z in front of us which we followed from hnl on our TCAS radar, and was told that he was 10 mi north of course. No further problems. Landing at lax 1 INS had an 18 NM error, but we operated in triple mix, so none of us in cockpit were able to determine problem.
Original NASA ASRS Text
Title: APCHING THE COAST FROM HNL ACR WAS ADVISED THEY WERE 20 NM NORTH OF TRACK. AFTER LNDG ONE INS WAS NOTED WITH A 18 NM ERROR.
Narrative: FLT FROM HNL-LAX. GIVEN CLRNC TO CONTACT ZLA AT EDSEL. UNABLE TO MAKE CONTACT INITIALLY AT EDSEL. WHEN CONTACT FINALLY MADE, CTLR GAVE US DIRECT DINTY AND THAT WE WERE 20 MI N OF COURSE. WE COULD NOT DETERMINE CAUSE. WHEN I TALKED TO CENTER ON PHONE I MENTIONED THAT WE HAD AN ACR Z IN FRONT OF US WHICH WE FOLLOWED FROM HNL ON OUR TCAS RADAR, AND WAS TOLD THAT HE WAS 10 MI N OF COURSE. NO FURTHER PROBS. LNDG AT LAX 1 INS HAD AN 18 NM ERROR, BUT WE OPERATED IN TRIPLE MIX, SO NONE OF US IN COCKPIT WERE ABLE TO DETERMINE PROB.
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.