October 12, 2001

Incident at FREDERICTON INTERNATIONAL AIRPORT (ATM - ILS irregularity)

Hunter 06 CP140 on approach to Fredericton airport reported that Glide Path approach appears to be generating erroneous signals, site technologist verified normal operations from GP ground site. A second check from TRANS8600 FA28 indicated that GP approach appears normal to 1000 feet and then provides inaccurate readings. Technician Notamed GP U/S. Actual Log Data: 1158: Hunter 06 clrd for ILS15 reported final 1159: Hunter 06 reported GP was off. He said if acft followed GP he would have impacted 1 mile final. 1200: ACC advised.TOC Advised Techs dispatched 1234: ACC advised that HUNTER06 checked his equipment at YSJ and it was normal 1240: Techs advised GP appears normal. 1357: TRANSCAN8600 reports GP appears unreliable below 1000 feet. 1517 NOTAM issued GP U/S TIL 0110192359. METAR 12Z M7OVC 6F VFR conditions 14z. TSB Evaluating.
TSB Update : A01A0129: During an IFR approach to runway 15 at Fredericton a military Aurora aircraft reported an erroneous glide path signal. The crew reported that had the signal been followed the aircraft would have impacted the ground about one mile prior to the threshold. Technicians subsequently checked the ILS glide path equipment at the ground site, and verified normal operation. A second flight check from another aircraft indicated that glide path appeared normal down to 1000 feet, and was inaccurate below. The glide path was NOTAMED unserviceable.
Update October 18, 2001. Location corrected to read Fredericton NB instead of Saint John NB

April 28, 1993

Incident at MONTREAL ACC

B767 ACA873 - ENROUTE FRANKFURT-TORONTO CLRD VIA N352 LAKES. AT LAKES THE A/C HEADED TOWARDS MOFAT INTERSECTION. MISTAKE NOTICED BY RADAR WHEN A/C 15 NM SOUTH OF TRACK. RECLRD. GROSS NAV ERROR REPORT FILED. TIME - 1752Z. ACTION - NAE.

January 27, 1993

Incident at MONTREAL ACC (ATS operating irregularity)

B747 ALITALIA AZA1926 - MONCTON ACC COPIED DALLAS FORT WORTH INSTEAD OF DETROIT AS DESTINATION FOR AZA1926. PILOT ACCEPTED CLRNCE FROM MONCTON ACC TO DALLAS & IN VICINITY OF OTTAWA PROCEEDED TO DETROIT ON ROUTING THAT HE CONFIRMED HAVING RECEIVED. A/C CLRD TO DETROIT. NO CONFLICT. TIME = 1920Z. ACTION = NAE.

January 20, 1993

Incident at QUEBEC

PA31 NAVAJO C-GRPM - OBSERVED ON RADAR AT 4600' WHEN CLRNCE WAS AT 4000'. AAQ102 INBOUND YQB AT CLRD ALTITUDE OF 5000'. BOTH A/C WERE TURNED FOR AVOIDANCE BUT PASSED AT 5000' WITH LESS THAN 2 MILES LATERAL SPACING. TIME = 1255Z. ACTION = NAP.

December 17, 1993

Incident at SAULT STE MARIE

B727 UNITED PARCEL SERVICE ME141 - 40 NM. SOUTH OF THE SAULT DECLARED EMERGENCY DUE HYDRAULIC FAILURE & REQUESTED RETURN TO HAMILTON. NO CFR AVAILABLE SO A/C CLRD TO TORONTO & LANDED SAFELY AT 0647Z. CFR. HAZARDOUS MATERIAL ON BOARD. TIME = 0610Z. ACTION = PAX PAH.

May 2, 1993

Incident at TORONTO / BILLY BISHOP TORONTO CITY ON (Water) (CPZ9)

H136 JET RANGER FALCON 262 CAF - ADVISED ISLAND TOWER OF AN OVERHEATING BATTERY & REQUESTED IMMEDIATE LANDING. A/C CLRD DIRECT RWY 15 FOR AN UNEVENTFUL LANDING. CFR. NO REPORTED DAMAGE. NIL OPS IMPACT. TIME - 1853Z. ACTION - PAX PAH TSB.

January 21, 1993

Incident at OSHAWA (ATS operating irregularity, ATM - NAVAIDS/radar)

E110 BANDEIRANTE SKG552. NEW NDB INSTALLED BUT NOT COMMISSIONED AT THE A/P USING SAME FREQ AS EXISTING ONE LOCATED 2.5 MILES FROM FIELD. TO TEST NEW NDB THE EXISTING ONE WAS SHUT DOWN & A NOTAM ISSUED. AN ATTEMPT WAS MADE TO ISSUE A NOTAM, BY THE SITE TECHNICIANS, THAT THE NEW NDB WAS TRANSMITTING BUT THE FSS REJECTED THE NOTAM. PROCESS BY WHICH TECH SERVICES & ATS (AT YYZ ACC) ARE NOTIFIED OF A NAVAID SHUTDOWN BROKE DOWN. NEITHER THE IFR CONTROLLER OR THE SUPERVISOR WERE AWARE OF THE TRUE STATUS. SKG522 LANDED VISUALLY, HAVING CANCELLED IFR BEFORE BEING CLRD FOR THE APPROACH. NIL OPS IMPACT. TIME = 1420Z. ACTION = PAX PAP PAD PAE PAT TSB.

January 14, 1993

Incident at NORTH BAY (Incursion - runway - vehicle, ATS operating irregularity)

C152 C-GFHK - CLRD TO LAND RWY 08 WITHOUT INSTRUCTIONS BEING GIVEN TO SNOW REMOVAL VEHICLES TO REMAIN SHORT OF THE RWY. VEHICLES WERE NOT OPERATING IN AN AREA WHERE CONFLICT WOULD OCCUR. ON-JOB INSTRUCTOR AWARE OF SITUATION WAS WAITING FOR TRAINEE TO TAKE ACTION. WHEN IT BECAME APPARENT THAT THE TRAINEE HAD OVERLOOKED THE POTENTIAL CONFLICT, A REMINDER FROM THE INSTRUCTOR RESULTED IN INSTRUCTIONS BEING ISSUED AS A/C WAS TOUCHING DOWN. ATS INVESTIGATING. TSB ADVISED. TIME = 2004Z. ACTION = PA PAE TSB.

December 18, 1993

Incident at GANDER ACC

LR55 LEAR 55 LAGER N525GG CLRD TO F430 TO REACH NO LATER THAN 1500Z. LATER CHANGED TO REACH NO LATER THAT 1520Z. CONTACT LOST. CLRNCE ISSUED THROUGH A TWA FLIGHT FOR V535GG TO DESCEND TO F390. LAGER AT F420 UNABLE HIGHER DUE TEMPERATURES. LOSS OF SEPARATION OCCURRED. TSB DID INITIAL INVESTIGATION & CONCLUDED NO RISK OF COLLISION SO WILL NOT INVESTIGATE FURTHUR. TIME = 1800Z. ACTION = MAB.

January 18, 1993

Incident at ST JOHNS (Incursion - runway - vehicle)

BE20 AIRLINER SPR957 - TOLD TO PULL UP BECAUSE OF A VEHICLE ON THE RWY. A/C HAD BEEN CLRD TO LAND AT 1500Z & TRUCK 85 HAD BEEN INSTRUCTED TO HOLD SHORT OF 11/29 AT 1458Z & READ BACK RESTRICTION. TOWER NOTICED TRUCK 85 MOVING THROUGH INTERSECTION OF 11/29 & 16/34 & INITIATED PULL UP OF SPR957. APM & TSB ADVISED. TIME = 1502Z. ACTION = MAB.

January 3, 1993

Incident at GANDER ACC

B747 TOW30 N605FF - KENNEDY-TEL AVIV AT F330 ADVISED OF AN OIL PROBLEM IN #2 ENGINE. REQ & CLRD TO F230 AT MACH .74 & CONTINUED EASTBOUND. TIME = 0830Z. ACTION = MAB.