ROUTE INCLUDED CLRNC TO BANNE INTERSECTION. CREW COPIED AND FLEW TO BADDY INTERSECTION.

Date: 1988-03 · Aircraft: Widebody; Low Wing; 3 Turbojet Eng

Anomalies: deviation-track-heading-all-types|deviation-discrepancy-procedural-clearance|other-unspecified

Synopsis

ROUTE INCLUDED CLRNC TO BANNE INTERSECTION. CREW COPIED AND FLEW TO BADDY INTERSECTION.

Narrative

AFTER ATLANTIC XING; GIVEN MONCTON CENTER TO CONTACT AT YDP. DUE TO POOR RADIO RECEPTION; ABLE TO GET MONCTON AFTER 5 MINS PAST YDP. CTLR APOLOGIZED FOR HIS RADIO PROBS AND READ CLRNC: YDP; YKL; BADDY; HANDA; MT; FPR. WE READ CLRNC BACK TWICE TO CONFIRM ROUTING SINCE RECEPTION WAS WEAK. MONCTON CONFIRMED READBACK WAS CORRECT. AT YKL; POS RPT WAS MADE (ALT; TIME; ESTIMATE TO BADDY; AND HANDA NEXT). MONCTON ACKNOWLEDGED RPT AND GAVE FREQ FOR MONTREAL TO CONTACT THEM IN 3 MINS. MONTREAL CONTACTED AND GIVEN ESTIMATE TO BADDY AND ALT. MONTREAL ACKNOWLEDGED. OVER BADDY CAPT MADE POS RPT TO MONTREAL. SHORTLY THEREAFTER; MONTREAL ASKED FOR IDENT AND WE COMPLIED. CENTER SAID; 'I SHOW YOU 55 MI OFF COURSE.' CAPT REPLIED; 'I SHOW US ON COURSE.' CENTER THEN SAID; 'OH; YOU ARE OVER BADDY INSTEAD OF BANNE.' UP TO THIS POINT NEITHER CAPT NOR F/O HAD SEEN BANNE ON THE MAP. WE FOUND BANNE APPROX 55 MI E OF BADDY. CENTER CLRED US DIRECT CHIBOUGAMAN (MT) AND NOTHING MORE WAS SAID. FOLLOW UP: AFTER CLRNC RECEIVED PRIOR TO XDP; F/O ENTERED COORDINATES PER CAPT READOUT. CAPT VISUALLY AND ORALLY CONFIRMED COORDINATES AFTER BADDY AND HANDA ENTERED BY F/O. F/O THEN RECHKED COORDINATES ONCE AGAIN TO MAKE SURE NO MISTAKE WAS MADE. AT YKL CAPT AND F/O BOTH CONFIRMED BADDY COORDINATES; COURSE; ETC; AS PER COMPANY POLICY. WHEN CENTER RPTED OFF COURSE ALL 3 INS COORDINATES FOR PRESENT POS CHKED AND WERE VERY CLOSE. SUBSEQUENT PLOT OF PRESENT POS SHOWED US RIGHT ON COURSE.

Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.