The remote aerodrome advisory service (RAAS) at Havre St-Pierre, QC (CYGV) was not provided from 1445Z until 1656Z due to a failure. No known impact.

The remote aerodrome advisory service (RAAS) frequency 122.0 MHz at Havre St-Pierre, QC (CYGV) was not provided due to an unscheduled maintenance. Impact unknown.

The remote aerodrome advisory service (RAAS) at Havre St-Pierre, QC (CYGV) was not provided between 1707Z and 1900Z. Cause: Unscheduled maintenance of the remote communications outlet (RCO).

The remote aerodrome advisory service (RAAS) at Havre St-Pierre, QC (CYGV) was not provided between 1911Z and 2007Z. Cause: failure during maintenance. Impact unknown.

The remote aerodrome advisory service (RAAS) at Havre Saint-Pierre, QC (CYGV) was not provided between 1100Z to 1410Z. Cause: failure of the radio remote communications outlet (RCO).

Failure of the remote communications outlet (RCO) frequency 122.0 MHz at Havre-Saint-Pierre, QC (CYGV) as of 1710Z. No remote aerodrome advisory service (RAAS) provided until closing at 0300Z. Unknown impact.

A failure of the remote communications outlet (RCO) frequency 122.0 MHz occurred at Havre-St-Pierre, QC (CYGV) as of 0054Z. No remote aerodrome advisory service (RAAS) was provided until closing at 0300Z. Impact unknown.

At 1440Z, a failure of the 122.2 MHz frequency of the remote communications outlet (RCO) at Natashquan, QC (CYNA) occurred. No remote aerodrome advisory service (RAAS) was provided until closing at 2300Z.

At 1440Z, a failure of the remote communications outlet (RCO) frequency 122.0 MHz occurred at Havre Saint-Pierre, QC (CYGV), QC. No remote aerodrome advisory service (RAAS) was provided until closing at 0300Z. Unknown impact.

The Abbotsford, BC (CYXX) tower was late to open. The flight service station (FSS) provided the remote aerodrome advisory service (RAAS) for CYXX outside of published hours, from 1400Z to 1450Z. No other impact to operations.

At Kelowna, BC (CYLW), the air traffic service (ATS) unit was not operating as per published hours. Tower service was unavailable from 1230Z to 1320Z. The remote aerodrome advisory service (RAAS) was in effect until the tower opened. No operational impact.

The Tofino/Long Beach, BC (CYAZ) remote aerodrome advisory service (RAAS) closed 04 minutes late to accommodate a MEDEVAC departure, a Carson Air Ltd. Beech B300 (C-GILK/CRN711) from Tofino/Long Beach, BC (CYAZ) to Victoria, BC (CYYJ).

At Kenora, ON (CYQK), the remote aerodrome advisory service (RAAS) operation was not followed as per published hours.

At Kitchener/Waterloo, ON (CYKF), the air traffic service (ATS) unit was not operating as per published hours. Service was unavailable from 0200Z to 0400Z; alternate service provided by the Sudbury (YSB) remote aerodrome advisory service (RAAS).
UPDATE: Duplicate AOR 271529-V1: The Kitchener/Waterloo, ON (CYKF) control tower was closed from 0200Z until 0400Z, due to staffing. (Duplicate AOR 271529-V1 / CADORS 2021O0150 deleted after information merge)

At London, ON (CYXU), the air traffic service (ATS) unit was not operating as per published hours. Service was unavailable from 0245Z to 0345Z. Alternate service was provided by the Sudbury (YSB) remote aerodrome advisory service (RAAS). No impact to operations.

At London, ON (CYXU), the air traffic service (ATS) unit was not operating as per published hours: service was unavailable from 2310Z to 2340Z. ATS service will be unavailable again on January 05, 2021 from 0245Z to 0345Z. Alternate service provided by the Sudbury (YSB) remote aerodrome advisory service (RAAS). No impact to operations.

At Island Lake, MB (CYIV), the mandatory frequency (MF) 122.2 MHz underwent scheduled maintenance at 1545Z. The MF could not be returned to service due to an unknown issue. Unable to provide the published remote aerodrome advisory service (RAAS) to an unknown number of aircraft and vehicles.

At Dauphin, MB (CYDN), the remote aerodrome advisory service (RAAS) remained open beyond published hours, until 0205Z, to accommodate the departure of a Harvs Air Service Ltd. Cessna 172P (C-GPTO) from Dauphin, MB (CYDN) to Steinbach (South), MB (CKK7). No further impact on operations.

The Dauphin, MB (CYDN) remote aerodrome advisory service (RAAS) remained open beyond published hours, until 0210Z, to accommodate the landing of a Vanguard Air Care Inc. Beech 200 (VN08-M) from Winnipeg/James Armstrong Richardson, MB (CYWG) to Dauphin, MB (CYDN). No other impact on operations.

The Charlottetown, PE (CYYG) radio (RDO) remote aerodrome advisory service (RAAS) frequency 122.0MHz failed while a vehicle was on the runway. Vehicle attempted several times to contact Charlottetown, without response. Vehicle broadcasted its intentions to vacate the runway via Taxiway H. The technical operations coordinator (TOC) was notified and a NOTAM was issued. No aircraft was involved.

At 1700Z, a planned outage of the 122.2 MHz remote communications outlet (RCO) at Natashquan, QC (CYNA) occurred. The frequency returned to service at 1927Z. No remote aerodrome advisory service (RAAS) was available during this time.

There was a failure of frequency 122.2 MHz at Natashquan, QC (CYNA) between 1602Z and 1730Z. No remote aerodrome advisory service (RAAS) was available during this time.

The Montréal/St-Hubert, QC (CYHU) tower opened at 1100Z instead of 0945Z. The Rouyn-Noranda, QC (CYUY) flight service station (FSS) provided the remote aerodrome advisory service (RAAS) during that period.

Air traffic services (ATS) unit at Val-dOr, QC (CYVO) was not operating during the published hours of service. Service unavailable from 0925Z to 0950Z. Remote aerodrome advisory service (RAAS) provided by Rouyn-Noranda, QC (CYUY).

The technical operations coordinator (TOC) advised that frequency 122.200 MHz was unserviceable, and that the remote aerodrome advisory service (RAAS) was unavailable. The area control centre (ACC) was advised, as well as the operator. TOC issued a NOTAM.

Extension of the remote aerodrome advisory service (RAAS) to Montréal/St-Hubert, QC (CYHU) by Rouyn-Noranda, QC (CYUY) flight service station (FSS) from 0935Z to 1100Z. NOTAM issued.

At Roberval, QC (CYRJ), frequency 122.2 went down several times, and it was not possible to restore service from 1230Z to 1600Z. Impact: Remote Aerodrome Advisory Service (RAAS) was not provided.

The Remote Aerodrome Advisory Service (RAAS) was not provided at Natashquan, QC (CYNA) from 1300Z to 2055Z due to unplanned frequency maintenance.

At Tofino/Long Beach, BC (CYAZ), the remote aerodrome advisory service (RAAS) frequency 123.25 MHz was unserviceable (U/S), due to a possible telecommunications issue. The issue was resolved at 0030Z. No known delays or impact.

The link between the light panel that controls the aerodrome lighting at Abbotsford, BC (CYXX) and the flight service station (FSS) at Cranbrook/Canadian Rockies, BC (CYXC) failed, and the remote aerodrome advisory service (RAAS) of the FSS was unable to control the aerodrome lighting.

The Port Hardy flight service station (FSS) remote aerodrome advisory service (RAAS) for Tofino was not operating as per published hours. Service unavailable from approximately 0030Z to 0115Z. The Tofino RAAS frequency 123.25 MHz was taken offline for equipment servicing in Port Hardy for approximately 45 minutes. No broadcast of RAAS service termination was issued, and no NOTAM was filed to advise that the RAAS service was not available.

The Kelowna, BC (CYLW) tower was not operating as per published hours. The tower opened at 1400Z. The flight service station (FSS) continued the remote aerodrome advisory service (RAAS) service from 1330Z to 1400Z. No impact to operations.

The remote aerodrome advisory service (RAAS) at Tofino/Long Beach, BC (CYAZ) extended its hours outside of published hours, from 0530Z to 0540Z, due to a Carson Air Ltd. Beech B300 (C-FKTE/CRN711) on a MEDEVAC flight from Tofino/Long Beach, BC (CYAZ) to Vancouver, BC (CYVR).

The Kelowna, BC (CYLW) tower was not operating as per published hours. Tower service was unavailable from 1230Z to 1300Z, and the remote aerodrome advisory service (RAAS) was provided by the Penticton (YYF) flight service station (FSS) from 1230Z to 1300Z. No impact to operations.

Air traffic service (ATS) unit not operating as per published hours. Service unavailable from 0420Z to 0600Z. Remote aerodrome advisory service (RAAS) provided by Williams Lake, BC (YWL).

At London, ON (CYXU), the Air Traffic Service (ATS) unit was not operating as per published hours. Air traffic control service was unavailable from 1800Z to 1840Z. The remote aerodrome advisory service (RAAS) was provided by the Sudbury (YSB) Flight Service Station (FSS).

At London, ON (CYXU), the air traffic service (ATS) unit was not operating as per published hours. Air traffic control service was unavailable from 2200Z to 2220Z. The remote aerodrome advisory service (RAAS) was provided by the Sudbury (YSB) flight service station (FSS).

At London, ON (CYXU), the Air Traffic Service (ATS) unit was not operating as per published hours. Air traffic control service was unavailable from 1530Z to 1550Z. The Remote Aerodrome Advisory Service (RAAS) was provided by the Sudbury (YSB) flight service station (FSS).

The mandatory frequency (MF) at Pickle Lake, ON (CYPL) is unserviceable until further notice. Unable to provide the remote aerodrome advisory service (RAAS) at CYPL. Additional impact to operations unknown.

The pilot of a Skycare Air Ambulance Swearingen SA227-AC (C-FIOC) on a MEDEVAC flight from Sault Ste. Marie, ON (CYAM) to Dryen, ON (CYHD) did not report when the aircraft was off of the runway to the remote aerodrome advisory service (RAAS) site.

The London, ON (CYXU) tower was closed at 2327Z, due to short staffing. The tower closure NOTAM was issued from 2327Z to 0045Z. The Sudbury (YSB) remote aerodrome advisory service (RAAS) hours were extended to provide service cover.

The London, ON (CYXU) tower was not open during published hours. Reverted early to the Service Bulletin (SB) remote aerodrome advisory service (RAAS).

The Pickle Lake, ON (CYPL) frequency and Weather Information Display System (WIDS) failed at 2243Z. Return to service unknown. Unable to provide remote aerodrome advisory service (RAAS) to: a Wasaya Airways Cessna 208B (C-FPCC/WSG129) from Wunnumin Lake, ON (CKL3) to Pickle Lake, ON (CYPL); a Wasaya Airways Hawker Siddeley HS 748 2A (C-GMAA/WSG807) from Kasabonika, ON (CYAQ) to Pickle Lake, ON (CYPL), and a Wasaya Airlines de Havilland DHC-8-102 (C-GANF/WSG814) from Kingfisher Lake, ON (CNM5) to Pickle Lake, ON (CYPL), due to the outage.

No arrival report was received by the Dryden, ON (CYHD) remote aerodrome advisory service (RAAS) after a Mag Aerospace Cessna 337G (C-FGME) from Dryden, ON (CYHD) to Dryden, ON (CYHD) landed. Aircraft confirmed to be down via phone. Pilot indicated having a radio issue prior to landing. No impact on operations.

The Pickle Lake, ON (CYPL) remote aerodrome advisory service (RAAS) opened outside published hours due to a request from the pilot of a Wasaya Airways de Havilland DHC-8-102 (C-GJSV/WSG821) from Kingfisher Lake, ON (CNM5) to Pickle Lake, ON (CYPL) for emergency services.

The Dauphin, MB (CYDN) remote communications outlet (RCO) frequency 122.3 MHz was unserviceable (U/S) due to a commercial power outage from 1805Z to 1821Z. The airport manager (APM) advised that one aircraft, a Harvs Air Service Ltd. Piper PA-28-161 (C-FEIN) from Dauphin, MB (CYDN) to Virden, MB (CYVD), departed during the power outage. Impact: At least one aircraft was not provided with the remote aerodrome advisory service (RAAS).

The Island Lake, MB (CYIV) mandatory frequency (MF) 122.2 MHz failed at approximately 1550Z. The frequency was NOTAMd unserviceable until approximately 2359Z. Unable to provide remote aerodrome advisory service (RAAS) at CYIV and St. Theresa, MB (CYST).

The Yorkton, SK (CYQV) remote aerodrome advisory service (RAAS) frequency 119.65 MHz was unserviceable (U/S) due to a commercial power failure.

The Saskatoon (YXE) flight service station (FSS) was closed due to staff not being able to get in during a winter storm. The remote aerodrome advisory service (RAAS) service was not provided for Flin Flon and The Pas, and weather was not provided for Saskatoon/John G. Diefenbaker, SK (CYXE).

Due to a power failure, the remote aerodrome advisory service (RAAS) remote communications outlet (RCO) frequency 119.65 at Yorkton, SK (CYQV) was unserviceable from 1940Z to 2120Z.