March 29, 2020

Incident at Toronto (ZYZ) Flight Information Region (FIR) (ATM - inaccurate aeronautical information)

There were several issues with a wide range of NAV CANADA (NC) equipment at the Toronto (ZYZ) Flight Information Region (FIR) and the Winnipeg (ZWG) FIR, including Periphel Station (PALs) frequencies (YSP, YMO, YEE and YTS), Gore Bay-Manitoulin, ON (CYZE) frequency 126.7, and Moosonee, ON (CYMO) 122.5 frequency not working, and temporary Aeronautical Fixed Telecommunications Network (AFTN) network faults (Flight Service Station Information Management System (FIMS) server failure indications). Collaborative Flight Planning Services (CFPS) unavailable at the London (YXU) flight information centre (FIC) for a few minutes. The Technical Operations Coordinator (TOC) is aware. Appears to be telecommunication (TELCO) issues.

Incident at Winnipeg (ZWG) Flight Information Region (FIR) (ATM - inaccurate aeronautical information)

There were several issues with a wide range of NAV CANADA (NC) equipment at the Toronto (ZYZ) Flight Information Region (FIR) and the Winnipeg (ZWG) FIR, including Periphel Station (PALs) frequencies (YSP, YMO, YEE and YTS), Gore Bay-Manitoulin, ON (CYZE) frequency 126.7, and Moosonee, ON (CYMO) 122.5 frequency not working, and temporary Aeronautical Fixed Telecommunications Network (AFTN) network faults (Flight Service Station Information Management System (FIMS) server failure indications). Collaborative Flight Planning Services (CFPS) unavailable at the London (YXU) flight information centre (FIC) for a few minutes. The Technical Operations Coordinator (TOC) is aware. Appears to be telecommunication (TELCO) issues.

March 9, 2020

Incident at CALGARY / SPRINGBANK AB (CYBW) (Communication navigation surveillance/air traffic system, Flight plan – activation)

The flight plan (FP) of a Mount Royal University Cessna 172S (C-FSTP) from Calgary/Springbank, AB (CYBW) to Golden, BC (CYGE) to Calgary/Springbank, AB (CYBW) was closed in error instead of a privately registered Cessna 172H from Medicine Hat, AB (CYXH) to Edmonton, AB (CYEG). The Cessna 172H was returning to CYXH after departing and encountering Marginal VFR (MVFR) weather (WX). FP for Cessna 172H was to be closed at 1526Z, but the FP of C-FSTP was closed in error. The error was discovered at 1616Z when an Aeronautical Fixed Telecommunication Network (AFTN) message came through from the Kamloops (CYKA) Flight Information Centre (FIC) advising of a change to the Estimated Time of Arrival (ETA) of C-FSTP. ETAs for the two aircraft were similar (Cessna 172H had an ETA of 1755Z, C-FSTP had an ETA of 1809Z), placing them next to each other in the ACTIVE queue.

July 29, 2019

Incident at QUEBEC FIC / FIC DE QUÉBEC (ATM - inaccurate aeronautical information)

At 1513Z, failure of Server 1 of the aeronautical fixed telecommunications network (AFTN), followed by failure of AFTN Server 2, after which a contingency plan was implemented for sending VFR flight plan data and consultation of weather information in real time.

July 23, 2019

Incident at VANCOUVER HARBOUR BC (Water) (CYHC)

A Tantalus Air aircraft (TTU612) on a transborder flight from Kenmore Air Harbour, WA (KW55) to Vancouver Harbour, BC (Water) (CYHC) arrived at 1628Z without an active flight plan. When queried, the Leidos Flight Service Station (FSS) in the United States advised that the flight plan was filed and sent but did not have a record of which Aeronautical Fixed Telecommunications Network (AFTN) address it was sent to.

February 20, 2019

Incident at KAMLOOPS FIC / FIC DE KAMLOOPS (ATM - inaccurate aeronautical information)

The Kamloops, BC flight information centre (FIC) advised that the Flight Service Station Information Management System (FIMS) Server1 and aeronautical fixed telecommunications network (AFTN) experienced a failure. The technical operations coordinator (TOC) was advised.

September 11, 2019

Incident at NATIONAL OPERATIONS CENTRE (NOC) / CENTRE NATIONAL DES OPERATIONS (NOC) (ATM - inaccurate aeronautical information)

NAV CANADA experienced an outage which affected the National Operations Centre (NOC) automated international flight planning system. The outage affected the Aeronautical Fixed Telecommunication Network (AFTN), which handles flight plans. There has been no impact on the air traffic control surveillance or communication systems, therefore safety has not been compromised. The system was restored at 0404Z.

August 2, 2019

Incident at NATIONAL OPERATIONS CENTRE (NOC) / CENTRE NATIONAL DES OPERATIONS (NOC) (ATM - inaccurate aeronautical information)

National aeronautical fixed telecommunications network (AFTN) outage occurred from 0007Z to 0024Z. Minimal operational impact.

February 20, 2019

Incident at NATIONAL OPERATIONS CENTRE (NOC) (ATM - other, ATM - inaccurate aeronautical information)

The national operations centre (NOC) for NAV CANADA experienced an outage which affected the automated flight planning system. The outage affected the Aeronautical Fixed Telecommunication Network (AFTN), which handles flight plans. There has been no impact on air traffic control surveillance or communication systems, i.e. safety has not been compromised. The system was restored at 0404Z.

July 10, 2019

Incident at REGINA INTL SK (CYQR) (Aerodrome - other)

A Recreational Aircraft Association (RAA) vehicle advised that Runway 13/31 was open at 0939Z but did not cancel the afternoon (AFTN) runway closure through NOTAM. A Jazz Bombardier CL-600-2D24 (series 900) (C-GJZV/JZA8571) from Regina, SK (CYQR) to Vancouver, BC (CYVR) departed Runway 31 at 1203Z with the afternoon (AFTN) runway closure NOTAM still in effect.

April 17, 2019

Incident at CHARLOTTETOWN AIRPORT (ATM - weather observation systems)

At 1500Z, the Charlottetown, PE (CYYG) aerodrome routine meteorological report (METAR) could not be sent out over the aeronautical fixed telecommunications network (AFTN) due to local human weather observation system (HWOS) failure. HWOS returned to service at 1548Z. Operational impact: No weather information for CYYG was available on the AFTN for 48 minutes.

August 20, 2018

Incident at QUEBEC FIC / FIC DE QUÉBEC (Aerodrome - visual aids)

The person in charge at the Port-Menier, QC (CYPN) airport requested three NOTAM for CYPN concerning the runway and the ambient light sensor (ALS). The Quebec flight information centre (FIC) only issued one NOTAM on the Aeronautical Fixed Telecommunication Network (AFTN).

August 6, 2018

Incident at SAULT STE. MARIE ON (CYAM)

A Swiss Red Wings AG Robinson R66 on a trans border flight from Municipal Airport Sanderson Field, MI (KANJ) to Sault Ste. Marie, ON (CYAM) called to close a flight plan (FP). There was none on file, and it claimed to have filed online. The records indicate a delay was received, as well as a departure, but there was no FP from Aeronautical Fixed Telecommunication Network (AFTN) address EDDMKSTX.

June 6, 2018

Incident at 4705N / 06525W (Communication navigation surveillance/air traffic system)

A Sky Regional Airlines Inc. Embraer ERJ 170-200 SU (C-FXJF/SKV7527) from St. John's, NL (CYYT) to Montreal, QC (CYUL) rerouted through CYUL airspace. Boston (BOS) would not accept the aircraft estimate due to the Aeronautical Fixed Telecommunication Network (AFTN) link outage between Boston Air Route Traffic Control Center (ARTCC) and Moncton (QM) Area Control Centre (ACC).

June 30, 2017

Incident at KAMLOOPS BC (CYKA) (ATM - inaccurate aeronautical information)

At approximately 9:30pm PST June 29th, Kamloops Flight Information Centre (YKA FIC) suffered a power and communications outage due to a damaged power line: phone, NAVNET, and Internet connections were lost, resulting in the inability to use all operational systems. NOTAM on the loss of Pacific Radio Remote Communication Outlets (RCOs) was issued. Contingency routing for phone and aeronautical fixed telecommunications network (AFTN) messages were initiated to Edmonton (EG) and Winnipeg (WG) FIC; transponder code calls were forwarded to Vancouver (VR) Air Traffic Operations Specialist (ATOS). As of 2120Z, power and communications seem to be fully restored.

January 23, 2017

Incident at VICTORIA INTL BC (CYYJ) (Flight plan ? activation)

A Government of Canada, Department of National Defence Sikorsky S61B (STGR07) was on a VFR flight plan from Kelowna, BC (CYLW) to Victoria, BC (CYYJ) with a planned stopover at Kamloops, BC . An arrival message was received over the aeronautical fixed telecommunications network (AFTN) from the address CZVRIIDS indicating STGR07 had arrived at CYYJ at 2250Z. Upon investigation it was found that the flight plan was closed at 2218Z, therefore a loss of VFR alerting service occurred when the flight plan was closed in error at 2218Z.

July 15, 2017

Incident at OTTAWA / MACDONALD-CARTIER INTL ON (CYOW) (ATM - inaccurate aeronautical information)

NAV CANADA experienced an outage which affected their automated flight planning system. The outage affected the Aeronautical Fixed Telecommunication Network (AFTN) which handles flight plans as well as their NOTAM office. There has been no impact on their air traffic control surveillance or communications systems, and safety has not been compromised. The system was restored at 1930Z.

August 4, 2017

Incident at FORT FRANCES MUNI ON (CYAG)

A 2080061 Ontario Inc. Swearingen SA226-TC (C-GKPX) called at 0015Z to file its arrival for a VFR flight plan from Baudette, MN (KBDE) to Fort Frances, ON (CYAG). No flight plan was on file as active nor was anything in the aeronautical fixed telecommunications network (AFTN) file for this flight. The pilot explained that there was difficulty filing the flight plan and that he/she had asked them to activate it.

July 29, 2017

Incident at KENORA ON (CYQK)

Kenora, ON (CYQK) called on the hotline advising they had an arrival for a Pipistreal Aircraft Canada amateur-built Pipistrel Virus SW (C-FFZR) on a flight from Oshkosh, WI (KOSH) to Kenora, ON (CYQK) with no active strip from the United States. Aeronautical fixed telecommunications network (AFTN) transactions recall indicated a proposed flight plan was received but no departure. Fort Worth (FTW) was contacted and they advised that the aircraft filed a flight plan online from KOSH to CYQK but never activated their flight plan with them. So there was no alerting provided for the entire flight. C-FFZR arrived into CYQK at 1625Z according to the CYQK flight service station (FSS).

Incident at GORE BAY-MANITOULIN ON (CYZE)

Quebec Flight Information Centre (FIC) sent an aeronautical fixed telecommunications network (AFTN) message to London Flight Information Centre (CYXU FIC) to close a flight plan for a privately registered Van's RV7 from Oshkosh, Wisconsin (KOSH) to Gore Bay-Manitoulin, ON (CYZE). CYXU FIC had no active flight plan on file. Proposed flight plan had been sent, but not activated.

July 19, 2017

Incident at TORONTO / BUTTONVILLE MUNICIPAL ON (CYKZ) (Communication navigation surveillance/air traffic system)

The pilot of a Sault College of Applied Arts Zlin Z242L (C-GHXF) from Sault Ste Marie, ON (CYAM) to Toronto/ Buttonville, ON (CYKZ) called on the phone at approximately 0130Z in CYKZ to close VFR flight plan. London Flight Information Centre (FIC) did not have a flight plan on this aircraft as it was already closed at 0020Z via aeronautical fixed telecommunications network (AFTN) arrival (ARR) message from CZYZI IDS. Upon further investigation into the Tower Aircraft Movement (TAM) records, it appeared that this aircraft landed in St Catharines, ON (CYSN) for a stopover at 0020Z before departing again at 0040Z for the remainder of their flight to destination of CYKZ as filed. The aircraft did not have alerting service on their leg from CYSN to CYKZ.

November 19, 2017

Incident at NATIONAL OPERATIONS CENTRE (NOC) (ATM - inaccurate aeronautical information)

NAV CANADA experienced an outage which affected the automated flight planning system. The outage affected the Aeronautical Fixed Telecommunication Network (AFTN) which handles flight plans. There has been no impact on air traffic control surveillance or communications systems, i.e. safety has not been compromised. The system was restored at 1940Z.

September 8, 2017

Incident at IGLOOLIK NU (CYGT) (Communication navigation surveillance/air traffic system, ATM - weather observation systems, ATM - operations)

The community aerodrome radio station (CARS) at CYGT missed their first two weather observations. A NOTAM was subsequently issued at 1153Z closing CYGT CARS. The NOTAM was issued with the wrong start time (1709091152Z instead of 1709081152Z). An alarm for an unparsable aeronautical fixed telecommunications network (AFTN) message was received indicating an INET error rejecting the NOTAM. The message was acknowledged but not actioned. The NOTAM was not corrected or issued. At 1421Z, Environment Canada called asking about CYGT weather indicating that they did not see a NOTAM closing the station at CYGT. The error was discovered and a NOTAM was issued at 1423Z closing CYGT CARS. Possible impact: A First Air flight (FAB474) departed Hall Beach, NU (CYUX) at 1417Z for CYGT.

January 26, 2017

Incident at WHITEHORSE/ ERIK NIELSEN INTL (CYXY) (ATM - weather observation systems, ATM - inaccurate aeronautical information, ATM - NAVAIDS/radar)

On January 26 2017 due to a Telecom outage: the Extended Computer Display System (EXCDS) (Tower and flight information centre (FIC)), Human Weather Observation System (HWOS), aeronautical fixed telecommunications network (AFTN) and navigation aid (NAVAID) monitoring capabilities were all lost. Service was restored at 0109Z; the cause of outage is unknown. Operational impact: 0100Z weather observation (WX) was 2 min late.

August 29, 2016

Incident at QUÉBEC / JEAN LESAGE INTL QC (CYQB)

A Waterloo-Wellington Flying Club Cessna 172S (C-GUZZ) from Québec, QC (CYQB) to Smiths Falls, ON (CYSH) was possibly not aware that NAV CANADA had received a cancel message eight minutes after receiving the initial VFR flight plan (FP) aeronautical fixed telecommunications network (AFTN) message. The VFR FP was filed through ForeFlight.

August 19, 2016

Incident at HANOVER / SAUGEEN MUNI ON (CYHS) (Communication navigation surveillance/air traffic system)

The pilot of a privately registered Christen Eagle II from Smiths Falls, ON (CYSH) to Hanover, ON (CYHS) filed VFR flight plan through Flightplan.com. Flight plan was not distributed by aeronautical fixed telecom network (AFTN) system correctly (received by destination, not departure flight information station (FIC)). Flight plan was also not processed properly by the Flight Information Management System (FIMS)/receiving FIC due addressing and ended up in NON-AOR file. Pilot called Quebec, QC (CYQB) FIC to close flight plan in CYHS. AS CYQB did not have a copy and consequently did not activate the flight plan, no alerting was provided.

August 16, 2016

Incident at WHITEHORSE/ ERIK NIELSEN INTL (CYXY) (ATM - weather observation systems)

Major telecommunications disruption caused by fibre optic cable severed. All of Yukon and parts of Northwest Territories, Northern British Columbia, and Northern Alberta affected. Loss of extended computer display system (EXCDS), aeronautical fixed telecom network (AFTN), human weather observation system (HWOS), MET receive, intermittent phone, fax and internet. Numerous aircraft affected as a result of missing weather data that could not be passed.

June 25, 2015

Incident at PORT HARDY BC (CYZT) (ATM - inaccurate aeronautical information)

Telecom outage at Port Hardy, BC (CYZT). Loss of Observation Data Exchange (ODEX), Operational Information Display System Interface Adaptor (ANIKOM), Aeronautical Fixed Telecommunications Network (AFTN), and Area Control Centre (ACC) direct line. Technical Operations Centre (TOC) advised.

May 12, 2015

Incident at SMITHERS BC (CYYD) (ATM - inaccurate aeronautical information)

Aeronautical Fixed Telecommunications Network (AFTN) and Operational Information Display System Interface Adaptor (ANIKOM) circuit was unserviceable from 0515Z until 1821Z on May 12. No weather observations available from 0515Z until 1400Z.

May 11, 2015

Incident at KINGSTON ON (CYGK) (Flight plan ? activation)

At 1653Z, London flight information centre (FIC) received an arrival (aeronautical fixed telecommunications network) AFTN message from Kingston, ON (CYGK) flight service station (FSS) for a privately registered Lake Model 250 from Volney, NY (KFZY) to Kingston, ON (CYGK). London FIC did not have an active flight plan in the system on this aircraft and therefore no alerting was provided for them. After further investigation with CYGK FSS, the pilot of the aircraft in question did indeed file a VFR flight plan with Lockheed Martin but was unable to open it properly with the United States flight services.

July 9, 2015

Incident at Gander Area Control Centre (ATM - inaccurate aeronautical information)

Aeronautical fixed telecommunications network (AFTN) failure 1230Z to 1240Z that affected Gander Automated Air Traffic System Plus (GAATS+) electronic processing and links with external air navigation service providers (ANSP). Manual operation required during failure.

July 8, 2015

Incident at Gander Area Control Centre (ATM - inaccurate aeronautical information)

Aeronautical fixed telecommunications network (AFTN) failure 1614Z to 1630Z that affected Gander Automated Air Traffic System Plus (GAATS+) electronic processing and links with external air navigation service providers (ANSP). Manual operation required during failure.

August 2, 2014

Incident at LA GRANDE RIVIÈRE QC (CYGL) (ATM - inaccurate aeronautical information)

A Hydro-Québec outage caused the outage of the following equipment from 0126Z to 0307Z: telephone lines, the air traffic controller line, the aeronautical fixed telecommunications network (AFTN) link, the extended computer display system (EXCDS) and the human weather observation system (HWOS). The planned mitigation measures were used without impact on operations.

March 25, 2014

Incident at FORT ST. JOHN BC (CYXJ) (ATM - inaccurate aeronautical information)

The aeronautical fixed telecommunications network (AFTN) line was down. No updated weather available on aeronautical fixed telecommunications network (AFTN). Advised Edmonton Technical Operations Coordinator (TOC). No impact to flight information centre (FIC) operations as weather available on NAV Canada website.

April 30, 2014

Incident at SUDBURY ON (CYSB) (ATM - inaccurate aeronautical information)

Telecommunication (TELCO) scheduled work resulted in unexpected outages on aeronautical fixed telecommunications network (AFTN) circuit, remote communication outlet (RCO) London 119.4 and Toronto, ON (CYYZ) peripheral station (PAL) at Sudbury, ON (CYSB) 135.5. Work completed at 1015Z and systems returned. Impact: delays for Jazz (JZA7802) and Porter Airlines (POE532) in Sudbury, ON while alternate methods were used to obtain their clearances.

November 27, 2014

Incident at LLOYDMINSTER AB (CYLL) (ATM - inaccurate aeronautical information)

Aeronautical fixed telecommunications network (AFTN), extended computer display system (EXCDS), operational information display system interface adapter (ANIKOM), Observation Data Exchange (ODEX) were unserviceable 271926Z - 280521Z due to a cut fiber optic line Sherwood Park, AB.

July 11, 2014

Incident at WHITECOURT AB (CYZU) (ATM - NAVAIDS/radar)

Aircraft reported Whitecourt, AB (CYZU) very high frequency omnidirectional range (VOR) 112.5 was unserviceable. Technical Operations Centre (TOC) advised 1407111520Z. Voice Advisory NOTAM issued 1407111530Z. Aeronautical fixed telecommunications network (AFTN) NOTAM issued 1407111640Z. CYZU VOR 112.5 serviceable at 1407112210Z. Impact to operations--CYZU VOR navigation or approaches not available during outage.

September 12, 2014

Incident at RANKIN INLET NU (CYRT) (ATM - inaccurate aeronautical information)

Rankin Inlet, NU (CYRT) aeronautical fixed telecommunications network (AFTN) failed from Sept 12 at 0535Z until Sept 12 at 0750Z. Phone lines unserviceable during this time as well, satellite phone used as a back-up. Due to AFTN outage, was not aware of any inbound IFR traffic until they established radio communication. Impact of phone line failure unknown.

September 9, 2014

Incident at RANKIN INLET NU (CYRT) (ATM - inaccurate aeronautical information)

Rankin Inlet, NU (CYRT) aeronautical fixed telecommunications network (AFTN) failed from Sept 09 at 0147Z until Sept 10 at 0450Z, unable to receive long distance phone calls at this time as well, satellite phone used as a back-up. Due to AFTN outage, was not aware of any inbound IFR traffic until they established radio communication.

September 3, 2014

Incident at PEACE RIVER AB (CYPE) (Flight plan ? activation)

A Guardian Helicopters Bell 205A-1 (C-GZGK) departed a location north of Peace River and contacted Peace River, AB (CYPE) flight service station (FSS) to file a flight plan to Whitecourt, AB (CYZU). CYPE accepted the flight plan and sent it to Edmonton flight information centre (FIC) via aeronautical fixed telecommunications network (AFTN). The flight plan was not received at Edmonton FIC. The pilot of C-GZGK telephoned the FIC at 1758Z to close his flight plan. VFR flight plan alerting service was not provided for this flight.

June 13, 2014

Incident at MAYO YT (CYMA)

The flight plan was received on aeronautical fixed telecommunications network (AFTN) from Commercial Flight Planning Service (CFPS) at 1457Z with Whitehorse, YT (CYXY) as the departure point of departure and a proposed departure time of 1600Z. An Alkan Air Cessna 208B (C-FAKV) departed Mayo, YT (CYMA) at 1505Z and did not call CYXY flight information centre (FIC) via radio. An arrival message was received from Kamloops, BC (CYKA) at 1616Z "(ARR-CFAKV-CYMA-CYMA1616)". The specialist on duty at Position 1 queried Kamloops, BC FIC via telephone to confirm the arrival message at 1625Z . It was discovered at that time that the pilot may have intended to file the flight plan for C-FAKV to depart CYMA and not CYXY.

June 2, 2014

Incident at LLOYDMINSTER AB (CYLL) (ATM - weather observation systems, ATM - inaccurate aeronautical information)

Airport user accidentally cut phone line to airport while digging with a skidsteer at 1550Z. Extended Computer Display System (EXCDS), Phone lines, peripheral station (PAL) frequencies, 482 line, aeronautical fixed telecommunications network (AFTN), Operational Information Display System Interface Adaptor (ANIKOM) and Human Weather Observation System (HWOS) circuits all unserviceable. Line repaired and all equipment returned to service by 0030Z. Minimal impact on customers.

March 27, 2014

Incident at PRINCE ALBERT (GLASS FIELD) SK (CYPA) (ATM - weather observation systems, ATM - inaccurate aeronautical information)

At 0800Z, a Prince Albert, SK (CYPA) flight service station (FSS) lost all telephone line based communication services, Extended Computer Display System (EXCDS) Platform, Human Weather Observation System (HWOS), Telephone, 508 circuit (CCT), aeronautical fixed telecommunications network (AFTN), and air traffic control (ATC) Hotline. Communication failure was a result of Bell Canada performing un-announced system upgrade. All services returned to normal by 1057Z. Impact on operations unknown.

January 8, 2014

Incident at YORKTON MUNI SK (CYQV) (ATM - weather observation systems)

Yorkton, SK automated weather observation system (AWOS) not available via aeronautical fixed telecommunications network (AFTN) 1401082300Z until 1401092359Z. Weather only available locally on Voice Generator Module (VGM) 128.725. CYQV Traffic Analysis and Forecasting (TAF) cancelled.

August 12, 2014

Incident at DEER LAKE NL (CYDF) (ATM - weather observation systems, ATM - inaccurate aeronautical information)

At 1647Z, Extended Computer Display System (EXCDS), phone lines, area control centre (ACC) lines, aeronautical fixed telecommunications network (AFTN), Human Weather Observation system (HWOS), remote communication outlet (RCO) St Anthony, NL (CYAY) 122.3 became unserviceable due to a telco fibre break. Returned to service at 2155Z. Impact: Customers were inconvenienced in obtaining weather reports.

January 5, 2014

Incident at SAINT JOHN NB (CYSJ) (ATM - weather observation systems, ATM - inaccurate aeronautical information, ATM - NAVAIDS/radar)

Jan 5th 1750Z Saint John, NB (CYSJ) aeronautical fixed telecommunications network (AFTN), OIDS Interface Adapter (ANIKOM) circuits (CCTS), Monitor/Controller (MONCO), runway visual range (RVR), 888 landline to ZQM TOC, Internet and human weather observation system (HWOS) was unserviceable. Returned to service Jan 6th 0235Z.

October 22, 2013

Incident at ÎLES-DE-LA-MADELEINE QC (CYGR) (Aerodrome - power failure, ATM - weather observation systems, ATM - inaccurate aeronautical information)

Generator failure during a power outage planned by Hydro-Québec. Loss of the national voice communication system (NVCS), remote communications outlet (RCO) frequency 122.0 at Havre-Saint-Pierre (CYGV) and frequency 122.2 at Natashquan (CYNA), vehicle frequency 122.6, human weather observation system (HWOS), multi-purpose information display system (MIDS), wind and altimeter digital display system (WADDS), localizer (LOC) and runway lights from 1248Z to 1329Z (return of power). AAS (frequency 123.15) was provided by emergency radio. Contingency AFTN activated. Weather observations not available.
Update #1: According to information from the Aerodrome Safety Division, at the start of the outage, an airport manager contacted NAV CANADA to ask that a NOTAM be issued following the generator outage. NAV CANADA does not issue NOTAMs for this type of problem.

June 27, 2013

Incident at ROUYN-NORANDA QC (CYUY) (ATM - inaccurate aeronautical information)

The AFTN and HWOS were U/S from 2130Z to 1100Z. Unknown impact on operations.

June 4, 2013

Incident at TERRACE BC (CYXT) (ATM - weather observation systems, ATM - inaccurate aeronautical information, ATM - ILS irregularity)

The Vancouver TOCC notified Terrace, BC (CYXT) FSS that ILS runway 33 was unmonitored. At 1850Z, it was discovered that the aeronautical fixed telecommunications network (AFTN)/ weather circuits were also unserviceable. Kamloops FIC provided contingency routing for aeronautical fixed telecommunications network (AFTN)/ weather network. CYXT Technical operations informed FSS at 2025Z that the phone lines were also unserviceable. Service was restored at 2028Z. No operational impact.

April 30, 2013

Incident at PORT HARDY BC (CYZT) (ATM - inaccurate aeronautical information)

The aeronautical fixed telecommunications network (AFTN) and ANIKOM circuits unserviceable. TOC advised. Contingency routing in effect TFN.

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