A Sault College Of Applied Arts And Technology Zlin Z242L (C-GSOP) from Sault Ste. Marie, ON (CYAM) to Sault Ste. Marie, ON (CYAM) was instructed to cross the active runway. Instead, the aircraft taxied onto the active runway. (Reference CADORS 2021O0497)

A Sault College Of Applied Arts And Technology Zlin Z242L (C-GHXF) from Sault Ste. Marie, ON (CYAM) to Sault Ste. Marie, ON (CYAM) was instructed to cross the active runway. Instead, the aircraft taxied onto the active runway. (Reference CADORS 2021O0494)

A Durham Flight Centre Inc. Cessna 152 (C-FFYA) from Toronto/Oshawa, ON (CYOO) to Toronto/Oshawa, ON (CYOO), on the climb-out and heading northbound, requested to return to land due to a faulty airspeed indicator. The aircraft landed without incident. No operational impact.

A Carson Air Ltd. Beech B300 (CRN711-M) on a MEDEVAC flight from Kamloops, BC (CYKA) to Kelowna, BC (CYLW) reported a bird strike on very short final for Runway 16. CYLW airport maintenance was advised. A runway inspection did not find anything.

A privately registered Cessna 182P from Fredericton, NB (CYFC) to Fredericton, NB (CYFC) was cleared, and read back, to join the right downwind for Runway 09. The aircraft joined the left downwind for Runway 09. No impact to operations.

At St. Johns, NL (CYYT), a de Havilland DHC-8-400 aircraft parked at Gate 2 on the terminal ramp reported a small hydraulic leak. The Firehall was advised and responded.

A Fundy Cessna 150 Flying Club Ltd. Cessna 150K (C-FBJS) from Saint John, NB (CYSJ) to Saint John, NB (CYSJ) lost its radio capacity. The pilot was able to communicate as "receiver only" (RONLY) with clicks. The aircraft returned to base (RTB) and landed safely at 1303Z. No operational impact.

At St. Theresa Point, MB (CYST), the ramp was full, and a Perimeter Aviation de Havilland DHC-8-314 (C-GJYZ/PAG609) from Winnipeg/James Armstrong Richardson, MB (CYWG) to St. Theresa Point, MB (CYST) had to hold on the runway for 10 minutes. No operational impact.

The pilot of a Midland Instruments Ltd. Piper PA-34-200T on a transborder flight from Buffalo, NY (KBUF) to London, ON (CYXU) arrived without an active flight plan.

A Capital City Skydiving Inc. Cessna 182 (C-FQVL) from Campbell River, BC (CYBL) to Campbell River, BC (CYBL) reported a flat tire upon landing at 2225Z. The runway was closed. The aircraft was removed and the runway re-opened at 2237Z.

A forest fire occurred 2 miles southwest of Terrace, BC (CYXT). All instrument approaches and departures were not authorized, via NOTAM, for a few hours.

A building evacuation occurred at Wabush, NL (CYWK) due to a fire alarm. The "all clear" was given to staff to return to the airport. Staff returned to the airport and began normal operations. No impact to operations.

At Fredericton, NB (CYFC), the multilateration (MLAT) system was dropping surveillance targets within approximately one mile of Runway 09 (arrivals and departures).

The controller cleared a Moncton Flight College Diamond DA 20-C1 (C-FJXD) from Fredericton, NB (CYFC) to Fredericton, NB (CYFC) to land, but no response was received from the pilot. The controller attempted several times to re-establish communications and also used light gun signals to clear the aircraft to land. The aircraft intentionally pulled up and went around. The pilot was able to establish communications again while conducting the overshoot and stated it was an issue with their radios volume.

While inbound, a Perimeter Aviation Fairchild SA227-AC (C-FJLO/PAG1710) from Winnipeg/James Armstrong Richardson, MB (CYWG) to Thompson, MB (CYTH) advised it was unable to de-activate its emergency locator transmitter (ELT) and that there was no emergency or issues. The ELT signal remained strong and clear on 121.5 MHz until the aircraft shut down at 2152Z. The Joint Rescue Coordination Centre (JRCC) Trenton was notified.

The community aerodrome radio stations (CARS) of CYHI, CYFS, CYGT and CZFM did not provide services as published. Impact on operations unknown.

The community aerodrome radio stations (CARS) of CYHI, CYFS, CYGT and CZFM did not provide services as published. Impact on operations unknown.

The community aerodrome radio stations (CARS) of CYHI, CYFS, CYGT and CZFM did not provide services as published. Impact on operations unknown.

The community aerodrome radio stations (CARS) of CYHI, CYFS, CYGT and CZFM did not provide services as published. Impact on operations unknown.

A Pacific Professional Flight Centre Ltd. Cessna 172M (C-GWOK) reported hitting an eagle while on the right downwind for Runway 25 at Vancouver/Boundary Bay (CZBB). The aircraft was 800ft above ground level (AGL). The aircraft landed safely. No impact on operations.

A Coastal Pacific Aviation Ltd. Cessna 172P (C-GOSQ) from Nanaimo, BC (CYCD) to Abbotsford, BC (CYXX) transited the Pitt Meadows, BC (CYPK) control zone, west to east at 2500ft above sea level (ASL), without contacting the tower. Multiple attempts to contact C-GOSQ were unsuccessful. No impact on operations.

A privately registered Fleet 80 from Langley, BC (CYNJ) to Langley, BC (CYNJ) was cleared outbound via the Poppy departure. The aircraft flew direct Thunderbird instead. No operational impact.

A Langley Flying School Inc. Piper PA-28-140 (C-GCEP) from Langley, BC (CYNJ) to Langley, BC (CYNJ) flew in Class C airspace with a malfunctioning transponder. The aircraft has been informed of the issue.

A Skyquest Aviation Ltd. Cessna 152 (C-GVNM) from Langley, BC (CYNJ) to Langley, BC (CYNJ) was "no radio" (NORDO) while inbound for Runway 25. The aircraft was able to re-establish communications prior to landing. Multiple aircraft were delayed as a result.

The community aerodrome radio stations (CARS) of CYKG, CYHA and CYTQ did not provide services as published. Impact on operations unknown.

The community aerodrome radio stations (CARS) of CYKG, CYHA and CYTQ did not provide services as published. Impact on operations unknown.

The community aerodrome radio stations (CARS) of CYKG, CYHA and CYTQ did not provide services as published. Impact on operations unknown.

A Pacific Flying Club Cessna 172R (C-FPAK) from Langley, BC (CYNJ) to Langley, BC (CYNJ) reported a near collision with an unmanned air vehicle (UAV) when 2NM Northwest (NW) of CYNJ. The pilot estimated that the aircraft was at 1900 feet.

A Morningstar Air Express Inc. Aerospatiale ATR 72-202 (MAL8058) from Calgary, AB (CYYC) to Regina, SK (CYQR) rejected its take-off due to a mechanical issue. MAL8050 returned to Apron 7. No operational impact.

A Mount Royal University Piper PA-34-220T (C-FEKL) from Calgary/Springbank, AB (CYBW) to Calgary/Springbank, AB (CYBW), was instructed to climb and maintain 7000 feet in the missed approach at Olds-Didsbury, AB (CEA3). C-FEKL was observed to climb to 7800 feet before being instructed to descend to 8000 feet. No impact on operations.

At 1226Z, a Transwest Air Beech 1900D (C-GGCA) from La Ronge (Barber Field), SK (CYVC) to La Ronge (Barber Field), SK (CYVC) rejected its takeoff due to a seagull. The aircraft taxied back to position and departed. No impact to operations.

A Thunder Airlines Limited Mitsubishi MU-2B-60 (C-GGDC/THU880) from Sudbury, ON (CYSB) to Moosonee, ON (CYMO) reported a continuous, strong emergency locator transmitter (ELT) signal while passing overhead Iroquois Falls, ON (CNE4) at FL240. The Joint Rescue Coordination Centre (JRCC) Trenton was advised. No operational impact.

An Air Canada Airbus BD-500-1A10 A220-100 (ACA703) from Newark, NJ (KEWR) to Toronto/Lester B. Pearson, ON (CYYZ) conducted a go-around. ACA703 landed on Runway 24R at 1623Z. No operational impact.

Communications search initiated for a Dorval Aviation Inc. Cessna 172M (C-FCEI) from Montreal/Pierre Elliott Trudeau, QC (CYUL) to Montreal/Pierre Elliott Trudeau, QC (CYUL).

A loud and clear emergency locator transmitter (ELT) signal was heard by a privately registered Cessna 150J on the ground at Joliette, QC (CSG3). The Joint Rescue Coordination Center (JRCC) Trenton was notified. The source was a privately registered Bellanca 7KCAB which had mistakenly left its ELT after its tests were completed. No impact on operations.

A Private Air Inc. Pilatus PC-12/47 (C-FCLB) from Rouyn-Noranda, QC (CYUY) to Red Lake, ON (CYRL) reported hearing an emergency locator transmitter (ELT) signal for 3 minutes. No operational impact.

A WestJet Encore Ltd. de Havilland DHC-8-402 (WEN3312) from Kelowna, BC (CYLW) to Edmonton, AB (CYEG) reported being struck by lightning on approach into CYEG. No impact on operations.

A Thunder Airlines Mitsubishi MU-2B-60 (C-FRWK/THU850) from Sudbury, ON (CYSB) to Sault Ste. Marie, ON (CYAM) crossed the runway without authorization. No impact on operations.

An Okanagan Mountain Helicopters FTU Ltd. Robinson R22 Beta (C-GFTU) from Kelowna, BC (CYLW) to Kelowna, BC (CYLW) made its first call when 1 mile inside the control zone, over Carrs Landing, at 3300ft above sea level (ASL).

At Abbotsford, BC (CYXX), a Skyquest Aviation Ltd. Cessna 152 (C-GTYB) from Langley, BC (CYNJ) to Langley, BC (CYNJ), cleared for a full stop landing on Runway 19, executed a touch-and-go. C-GTYB was instructed to make an early turn westbound as a Government Of Canada, Department Of National Defence Sikorsky S-92A (STGR24) from Victoria, BC (CYYJ) to Victoria, BC (CYYJ) was on approach for Runway 07 and had to execute an early missed approach.

A Skyquest Aviation Ltd. Cessna 152 (C-GTYB) from Abbotsford, BC (CYXX) to Abbotsford, BC (CYXX), on the VFR Arnold departure, climbed above 1500ft without a clearance. No operational impact.

A WestJet Encore Ltd. de Havilland DHC-8-402 (C-GWEG/WEN3342) from Calgary, AB (CYYC) to Kelowna, BC (CYLW) conducted a missed approach, indicating an unstable approach. The aircraft joined the circuit and landed safely, no operational impact.

A privately registered Piper PA-22-135X from Langley, BC (CYNJ) to Langley, BC (CYNJ) was instructed to taxi via Taxiway Echo, and then contact the tower on frequency 119.0 MHz while holding short. The aircraft crossed Runway 19 and proceeded onto Taxiway K and Taxiway B without clearance. No operational impact.

At Kuujjuaq, QC (CYVP), Air Inuit (AIE) maintenance reported a liquid spill under the left landing gear of a foreign registered Cirrus SR22 that was on the airport apron. The liquid was possibly hydraulic fluid. No known operational impact.

An intermittent engine was reported by a privately registered Aerotechnik Sportstar from Ottawa/Gatineau, QC (CYND) to Ottawa/Gatineau, QC (CYND). No emergency. The aircraft landed without incident. No impact on operations.

At Iqaluit, NU (CYFB), the Human Weather Observation System (HWOS) Observation Data Exchange (ODEX) connection failed. The Technology Operations Coordinator (TOC) was advised.

An unscheduled satellite-based automatic dependent surveillance – broadcast (ADS-B) failure resulted in a loss of surveillance service. The ADS-B went down at 1609Z.

A Toronto Airways Inc. Cessna 172S (C-FWLQ) on a local VFR flight from Toronto/Oshawa, ON (CYOO) to Toronto/Oshawa, ON (CYOO) advised the East Low controller that it had an oil temperature issue and would be diverting to Lindsay/Kawartha Lakes, ON (CNF4). The aircraft landed without incident. No operational impact.

While in flight, a Montreal Flying Club Cessna 150M (C-GJCV) from Montreal/St-Hubert, QC (CYHU) to Montreal/St-Hubert, QC (CYHU), advised of a change of destination for Iroquois, ON (CNP7) due to a carburetor indication. The aircraft declared a "PAN PAN", but did not request assistance, and landed safely at 1301Z. No impact on operations.

The community aerodrome radio stations (CARS) of CYHA, CYLA and CYTQ were not operated as per published hours. NOTAM issued; impact on operations unknown. The CARS of CYXP and CYIO were operated outside of published periods; NOTAM issued.