A Bearskin Airlines Fairchild SA227-AC (C-GYQT/BLS319) from Thunder Bay, ON (CYQT) to Sioux Lookout, ON (CYXL) conducted a missed approach due to the presence of a coyote on Runway 16/34. No impact to operations.

A Carson Air Ltd. Fairchild SA227-AC (CRN7064) from Kamloops, BC (CYKA) to Calgary, AB (CYYC) conducted a missed approach for Runway 17R due to a shift in wind. The aircraft landed on Runway 29 safely. No operational impact.

At Montreal/Mirabel, QC (CYMX), a Perimeter Aviation Fairchild SA227-AC (C-FYAG/PAG907) was conducting a high speed run on Runway 24 between the threshold and B5. Pilot advised the tower that after the first high speed run, the aircraft had a flat tire. Aircraft left the runway and returned to Hélibellule. An inspection of Runway 24 and Taxiway Bravo was completed, no impact.
UPDATE from Airworthiness: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. During the performance program testing, the aircraft blew a tire while carrying out flight tests related to braking efficiencies. Wheel assembly was replaced and the aircraft was returned to service.

A Perimeter Aviation Fairchild SA227-AC (C-FYAG/PAG907) from Montreal/Pierre Elliott Trudeau, QC (CYUL) to Montreal/Pierre Elliott Trudeau, QC (CYUL) asked to be redirected to Montreal/Mirabel, QC (CYMX) due to an engine that would not start up again after tests were conducted. At that time, no emergency was declared. On final 5 NM Runway 24, the aircraft declared an emergency with the tower at CYMX. Aircraft Rescue and Fire Fighting (AARF) services were deployed. The aircraft landed at 2249Z without incident and a runway inspection was completed at 2255Z. No impact.
UPDATE TSB Report #A20Q0038: C-FYAG, a Fairchild SA227AC operated by Perimeter Aviation LP under flight number PAG907, was flying under instrument flight rules from Montreal/Pierre Elliott Trudeau International, QC (CYUL) airport on a local flight in order to perform flight tests. After voluntarily shutting down an engine, the crew was unable to restart it. The crew therefore requested to be redirected to Montreal/Mirabel, QC (CYMX), where they declared an emergency. The aircraft landed without incident.
UPDATE from Airworthiness: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. Metro 3 aircraft C-FYAG, while on a flight test program, was carrying out single engine performance checks when the shutdown engine failed to restart. Flight crew declared an emergency and returned to the airport uneventfully. Maintenance performed a functional test of the right-hand (RH) feather valve, performed a functional test of the RH auto ignition system as per Maintenance Manual (MM) 72-10-06, performed a functional test of the RH engine unfeather system, and performed a functional test of the RH I/B squat switch. The RH engine unfeather pump output pressure was checked and found to be set at 180psi. The RH unfeather pump pressure was adjusted to 210psi.

A Carson Air Ltd. Swearingen SA227-AC (CRN8064) from Calgary Intl, AB (CYYC) to Kamloops, BC (CYKA) initiated a missed approach Runway 27 due to birds near the runway. The aircraft landed safely Runway 09 at 1402Z. No operational impact.

On the area navigation (RNAV) Z into Kelowna, BC (CYLW), a WestJet Encore Ltd. de Havilland DHC-8-402 (C-FQWE/WEN3419) from Edmonton, AB (CYEG) to Kelowna, BC (CYLW) received a traffic alert and collision avoidance system (TCAS) resolution advisory (RA) alert with a Carson Air Ltd. Swearingen SA227-AT (C-GTTM/CA8057) from Kelowna, BC (CYLW) to Kelowna, BC (CYLW) when descending through 7300ft. WEN3255 climbed 300ft and then proceeded on course for their arrival once the conflict was resolved. WEN3255 was passed traffic.

A Carson Air Fairchild SA227-AC (C-FAFR/CA8057) from Vancouver, BC (CYVR) to Kelowna, BC (CYLW) declared a hydraulic failure. Requested that the Aircraft Rescue and Fire Fighting (ARFF) unit be on standby. Aircraft landed safely.
Update TSB Report #A20P0057: C-FAFR, a Fairchild SA227-AC operated by Carson Air Ltd, was conducting a cargo flight from Vancouver Intl. (CYVR), BC, to Kelowna (CYLW), BC, with 2 flight crew members onboard. During descent into CYLW, the crew observed a hydraulic pressure annunciator light with a corresponding low pressure indication. The crew followed the emergency checklist, advised the CYLW tower of a hydraulic failure, and requested ARFF on standby. The crew lowered the landing gear manually and carried out a flapless landing without incident. There were no reported injuries and no damage to the aircraft. Maintenance found the right hand hydraulic pump return line was chaffed through at the hydraulic reservoir. The rigid return line was temporarily replaced with a flexible line as per the AMM and the hydraulic system was ground tested satisfactory.
UPDATE from Airworthiness: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. On approach into CYLW, C-FAFR experienced fluctuating hydraulic pressure, accompanied by both hydraulic warning lights and subsequent hydraulic failure. The crew completed the hydraulic failure checklist and completed a manual landing gear drop and flapless landing. On the ground, maintenance found hydraulic fluid dripping from the right-hand (R/H) engine cowl and landing gear doors, further inspection revealed a pinhole leak in a chaffed hydraulic line at the R/H engine firewall. It appeared that the line had chaffed against a clamp on an adjacent line, causing the leak. The damaged line was replaced, the hydraulic system was tested for function and the aircraft was returned to service. A Safety Management System (SMS) investigation was carried out, as there had been no previous failures of this part number (P/N) line in the fleet and the area has a general visual inspection every 300hrs under the Phase Inspection Program. The operator has published a bulletin for company ACA holders and will monitor the fleet for further failures of this type.

An incursion of Runway 26L was committed by a Carson Air Ltd. Swearingen SA227-AT (C-GTTM/CA8057) from Vancouver, BC (CYVR) to Kelowna, BC (CYLW). No impact to operations.

A Carson Air Fairchild SA227-AC (C-FAFR/CA8081) from Kelowna, BC (CYLW) to Vancouver, BC (CYVR) was cleared to 5000 feet and read back 5000 feet. Aircraft was subsequently observed descending through 5000 feet. The arrival controller instructed CA8081 to climb to 5000 feet. There was crossing VFR traffic, a Helijet International Sikorsky S-76A (C-GHJP) from Vancouver Harbour (Public), BC (Heli) (CBC7) to Victoria Harbour (Camel Point), BC (Heli) (CBF7) 2NM away, level at 4000 feet.

A Carson Air Swearingen SA227-AT (C-GGTM/CAL8057) on a fight from Vancouver Intl, BC (CYVR) to Kelowna, BC (CYLW) was cleared to 7,000ft and climbed to 7500ft. The aircraft was subsequently cleared to 9,000ft and climbed to 9,500ft. A Pacific Coastal Airlines Beech 1900C (C-FPCV/PCO552) on a flight from Williams Lake, BC (CYWL) to Vancouver Intl, BC (CYVR) was 4NM West, level at 10,000ft.

A Carson Air Swearingen SA227-AT (C-GTTM/CA8081) on a flight from Calgary Intl, AB (CYYC) to Kelowna, BC (CYLW) reported engine issues. The engine was subsequently shut down and the pilot indicated they would do a single engine approach. The pilot indicated they were in VFR conditions with the field in sight. No emergency was declared and the aircraft landed safely at 1525Z. No operational impact.
UPDATE TSB Report #A20P0012: C-GTTM, a Swearingen SA227-AT operated by Carson Air Ltd. was conducting flight CA8081 from Calgary Intl (CYYC), AB to Kelowna (CYLW), BC, with 2 flight crew members on board. During cruise flight the pilot flying determined the right engine (Garret TPE 331-11U) was no longer responding to cockpit power lever movements. The flight crew actioned the emergency checklist for no response to power lever movement. With no change to the condition, the crew actioned the engine shutdown checklist. The flight crew notified ATC of the event, but did not declare a PANPAN or MAYDAY. The flight landed without further incident. Subsequent maintenance actions determined the propeller pitch control bracket became detached during flight. The hardware including the bolt and washer were located within the engine cowling, but the lock wire was not. The aircraft has since been returned to service.
UPDATE from Airworthiness: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. Internal investigations performed by the company found that a maintenance error led to the secondary retention screw on the Propeller Pitch Control (PPC) input arm not being locked and the arm detaching from the engine at cruise power. Safety Management System (SMS) investigation and Maintenance Quality Assurance (QA) investigations were carried out, and short term and long term corrective actions were put in place.

A Jazz de Havilland DHC-8-402 (C-GGCI/JZA8353) on a flight form Penticton, BC (CYYF) to Vancouver Intl, BC (CYVR) conducted a missed approach Runway 08L due to a Carson Air Fairchild SA227-AC (C-FJKK/CA8081) on a flight from Penticton, BC (CYYF) to Vancouver Intl, BC (CYVR) being unable to exit runway in a timely way due to a coyote on the runway. Audio reviewed.

At 2018Z, a Bearskin Airlines Fairchild SA227-AC (C-GYRL/BLS362) from Red Lake, ON (CYRL) to Sioux Lookout, ON (CYXL) conducted a missed approach for Runway 16. The aircraft landed without incident at 2025Z. No delays to other aircraft.

A Skycare Air Ambulance Swearingen SA227-AC (C-FIOC) from Thunder Bay, ON (CYQT) to Timmins/Victor M. Power, ON (CYTS) rejected its take-off due to a door indication.

A Skycare Air Ambulance Fairchild SA227-TT (C-FRPX) on a MEDEVAC flight from Attawapiskat, ON (CYAT) to Timmins/Victor M. Power, ON (CYTS) reported in the missed approach for Runway 21 at 0047Z. The aircraft landed at 0109Z without further incident.

A Bearskin Airlines Fairchild SA227-DC (C-GJVC/BLS374) from Thunder Bay, ON (CYQT) to Sault Ste. Marie, ON (CYAM) landed at CYAM and reported a possible bird strike.

A Bearskin Airlines Fairchild SA227-CC (C-GYTL/BLS384) on a flight from Thunder Bay, ON (CYQT) diverted to Sault Ste. Marie, ON (CYAM) due to smoke in the cockpit. The aircraft landed without further incident.

A Bearskin Airlines Fairchild SA227-DC (C-GJVC/BLS377) from Sudbury, ON (CYSB) to Sault Ste. Marie, ON (CYAM) reported a possible bird strike. The aircraft backtracked on the runway, but no carcass was seen.

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 pilot of a Bearskin Airlines Fairchild SA227-DC (C-GJVC/BLS377) from Sault Ste. Marie, ON (CYAM) to Thunder Bay, ON (CYQT) reported a possible bird strike upon touchdown on Runway 25. Nothing was found.

The pilot of a Perimeter Aviation Fairchild SA227-AC (C-GYHD/PAG1921) from Sioux Lookout, ON (CYXL) to Island Lake, MB (CYIV) reported a possible bird strike during take-off from Runway 34. A staff vehicle was dispatched and one bird was found by the airport staff. No operational impact.

While on final approach, a Bearskin Airlines Fairchild SA227-DC (C-GJVO/BLS318) from Winnipeg/James Armstrong Richardson, MB (CYWG) to Red Lake, ON (CYRL) had a landing gear indication. On a fly-over, a staff vehicle advised that the gear appeared to be down. The aircraft landed safely.
UPDATE from Airworthiness: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. On approach for Runway 26 on JV318, the right main gear "down and lock" light did not illuminate. Though activated, the press-to-test switch and the "down and lock" light remained extinguished. The aircraft executed a missed approach as VFR, and the first officer (F/O) changed the bulb in the light fixture. The "down and locked" light illuminated and the press-to-test functioned normally.

A Perimeter Aviation Fairchild SA227-AC (C-FMAV/PAG220) from Sioux Lookout, ON (CYXL) to North Spirit Lake, ON (CKQ3) was observed taxiing onto Alpha without receiving an advisory or stating intentions. There was mowing vehicle traffic (TT152) on Runway 16/34 and Taxiway Alpha. C-FMAV was asked to hold short of the runway and the vehicle was instructed to exit the runway. No risk of collision or impact to operations.

Upon departure from Runway 30, a Perimeter Aviation Fairchild SA227-AC (C-GYRL) on an IFR flight from Sudbury, ON (CYSB) aborted its take-off. The pilot declined emergency assistance and returned to the main apron.
UPDATE from Airworthiness: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. C-GYRL had a rejected take-off due to the right-hand (R/H) engine torque reduced from 105% during take-off roll. Maintenance carried out the following: the Continuing Airworthiness Web Information System (CAWI) tested for operation on ground checks serviceable. Engine controls inspected, lubed, ground runs completed, with CAWI on and off, and checked for MAX power, no faults found. A successful test flight was carried out and the aircraft was released for service.
Update TSB Report #A20O0064: Perimeter Aviation flight JV377, a Fairchild SA227AC (C-GYRL) aircraft, was departing Sudbury (CYSB), ON, when the right engine (Garrett TPE331-11U-612G) lost power just before V1. The flight crew rejected the takeoff and declared a PAN PAN. The aircraft did not require assistance and returned to the gate. The aircraft was conducting a continuous alcohol water injection (CAWI) when the power loss occurred. Maintenance inspected the aircraft, tested the CAWI system for correct operation and performed max power grounds. Maintenance was unable to find any problems with the engine or CAWI system. A successful test flight was carried out and the aircraft was returned to service.

A Bearskin Airlines Fairchild SA227-DC (C-GJVH/BLS362) from Sioux Lookout, ON (CYXL) to Thunder Bay, ON (CYQT) declared a medical emergency during short final. Requested ambulance upon arrival. No impact to operations.

A Bearskin Airlines Swearingen SA227-DC (C-GJVW/BLS377) from Sault Ste. Marie, ON (CYAM) to Thunder Bay, ON (CYQT) declared an emergency due to an engine fire light. BLS377 continued to CYQT with a single engine, and landed without incident.
UPDATE TSB Report #A20O0039: Bearskin Airlines flight BLS377, a Fairchild SA-227DC aircraft (C-GJVW), was on route from Sault St. Marie (CYAM), ON to Thunder Bay (CYQT), ON when the right engine (GARRETT, TPE331-12UHR) fire lights illuminated. The flight crew performed the emergency procedures, shut down the engine and declared an emergency. The aircraft continued to Thunder Bay and landed without incident. No evidence of fire was detected during inspection, maintenance are investigating the cause of the fire indication.
UPDATE from Airworthiness: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. Metro 23 aircraft C-GJVW had an inflight engine fire indication. Engine was shut down, fire bottle was discharged and the aircraft landed safely in CYQT. Maintenance found that the fire control module was unserviceable (U/S) and was replaced. Aircraft returned to service after a successful test flight.

A Bearskin Airlines Fairchild SA227-DC (C-GJVO/BLS373) from Sault Ste. Marie, ON (CYAM) to Thunder Bay, ON (CYQT) initiated a missed approach due to nose wheel indication. Aircraft landed safely, no operational impact.
UPDATE from Airworthiness: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. C-GJVO carried out a missed approach due to a nose landing gear (NLG) having no down and locked green light indication. Eventually the green light illuminated and the aircraft landed safely. Maintenance found the NLG Right-Hand (R/H) down-lock switch intermittent. Switch replaced and aircraft returned to service.

The Terminal Control Unit (TCU) advised that a Bearskin Airlines Fairchild SA227-DC (C-GJVW/BLS384) from Thunder Bay, ON (CYQT) to Thunder Bay, ON (CYQT) was returning to airport with a gauge issue, no assistance required. Emergency Response Operations Centre (EROC) advised.
UPDATE from Airworthiness: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. C-GJVW had an air return due to an outside air temperature (OAT) gauge rapidly fluctuating between +20C and -40C. The approximate OAT was -20C. OAT probe was replaced and the aircraft returned to service.

A privately registered Piper PA-28-140 from Sudbury, ON (CYSB) to Sault Ste. Marie, ON (CYAM) became stuck in the snow within the runway protected area (RPA) of the active runway. A Bearskin Airlines Fairchild SA227-AC (C-GYXL/BLS377) from Sault Ste. Marie, ON (CYAM) to Thunder Bay, ON (CYQT) had to accept a crosswind departure instead of a delay. No other impact on traffic.

The pilot of a Bearskin Airlines Fairchild SA227-DC (C-GJVB/BLS344) from Dryden, ON (CYHD) to Sioux Lookout, ON (CYXL) reported a loss of control during take-off, resulting in the aircraft sustaining damage. One minor injury was reported.
UPDATE Aviation Incident Report #16550: At approximately 2205Z, a Bearskin Airlines Metro aircraft (C-GJVB) became disabled off the side of the runway, 150 metres from the threshold, due to an aborted take-off on the initial take-off roll. The Emergency Response Plan was activated. Airport Staff and Emergency Crews attended the scene. Runway re-opened at 0200Z following removal of aircraft and a runway inspection for foreign object debris.
UPDATE National Operations Centre (NOC): While taxiing for departure at Dryden for Sioux Lookout, a Bearskin Airlines flight (BLS344) struck something that caused the propeller to detach and strike the fuselage. One passenger on board suffered minor injuries. The aircraft was reported to be C-GJVB, a Fairchild SA227 Metroliner registered to Perimeter Aviation. Transportation Safety Board (TSB) advised.
UPDATE from Airworthiness: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. Aircraft C-GJVB had a runway excursion during the take-off roll at Dryden, ON (CYHD). Aircraft went off the runway and suffered substantial damage on both engines/propellors and airframe. Transportation Safety Board of Canada (TSB) is currently onsite investigating. Currently, there has been no aircraft mechanical issues found related to the cause of the incident.
UPDATE TSB Report #A20C0016: C-GJVB, a Fairchild SA227-DC operated by Perimeter Aviation as flight Bearskin Airlines 344, was conducting a VFR flight from Dryden Regional (CYHD), ON to Sioux Lookout (CYXL), ON with 2 crew members and 6 passengers on board. As C-GJVB started the takeoff roll on Runway 12, the aircraft directional control was lost and the aircraft exited the right side of the runway. The propellers subsequently contacted a snow bank and broke apart. Parts of the broken propellers penetrated the fuselage, injuring 1 passenger. The aircraft was substantially damaged.

Vehicle was stuck in snow at the intersection of Runway 04/22 and Runway 12/30 at Sudbury, ON (CYSB). Airport vehicles dispatched to pull it out. Two aircraft, a Bearskin Airlines Fairchild SA227-AC (C-GYXL/BLS374) from Sault Ste. Marie, ON (CYAM) to Sudbury, ON (CYSB) and a Morningstar Air Express Cessna 208B (C-FEXX/MAL8056) from Sudbury, ON (CYSB) to Timmins, ON (CYTS) were delayed by 10 minutes.

A Bearskin Airlines Fairchild SA227-DC (C-GJVO/BLS371) from Timmins, ON (CYTS) to Sudbury, ON (CYSB) rejected its take-off from Runway 21 at 1352Z due to an instrument malfunction. Aircraft vacated runway to perform engine tests. Advised unable to depart and shutting down at 1357Z.
UPDATE: Duplicate CADORS 2020O0291 / AOR 261775-V1 deleted.
UPDATE from Airworthiness: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. Aircraft C-GJVO had a rejected take-off due to the #2 engine indicating 97% torque at take-off. Maintenance rectification as follows: Swapped bridges on torque signal conditioner from bridge 2 to 1 and calibrated as per Engine Maintenance Manual (EMM). Several runs completed and aircraft checked serviceable.

A Perimeter Aviation Fairchild SA227-DC (C-GJVO/BLS371) from Timmins, ON (CYTS) to Sudbury, ON (CYSB) rejected its take-off from Runway 21 at 1352Z due to an instrument malfunction. Aircraft vacated the runway to perform engine tests. Advised unable to depart and shutting down at 1357Z.

A Perimeter Aviation Fairchild SA227-AC (C-GYRL/BLS361) from Sioux Lookout, ON (CYXL) to Red Lake, ON (CYRL) departed CYXL and was cleared to 4000ft, with inbound IFR traffic 25NM North descending to 5000ft. BLS361 checked in with the IFR controller level at 5000ft. No other impact to operations.

A 2080061 Ontario Inc. Fairchild SA227-TT (C-FRPX) reported to the Winnipeg Area Control Centre (ACC) that MAYDAY was heard from a Wasaya Airways de Havilland DHC-8-102 (WSG814) on a flight from Wunnumin Lake, ON (CKL3) to Kingfisher Lake, ON (CNM5) due to an electrical fire in the flight deck. Wasaya Airways contacted the Winnipeg area control centre (ACC) controller to advise that WSG814 had landed safely in CNM5. No impact to operations. National Operations Centre (NOC) and Aviation Operations Centre (AVOPS) advised.
UPDATE TSB Report #A20C0006: C-GANF. a de Havilland DHC-8-102 operated by Wasaya Airways as flight WSG814, was enroute from Wunnumin Lake (CKL3), ON to Pickle Lake (CYPL), ON with two flight crew members on board. While in cruise at 12000 feet, the aircraft experienced failure of the left side and overhead instrument panel. The crew was able to make radio contact with a nearby aircraft and advised them of their situation and that they would be diverting the aircraft to Kingfisher Lake (CNM5), ON. The nearby aircraft was able to activate the runway lights at CNM5 and relayed a MAYDAY to the Winnipeg ACC. While on base leg, the crew of WSG814 reported a strong smell of fumes in the cockpit. The aircraft then landed safely and was stopped on the runway where both engines were shut down and the master switch was turned off. There were no injuries and the aircraft was not damaged. It was reported that the following circuit breakers had tripped: #1 Air Data Computer, #1 Radar Altimeter, 3 separate lighting breakers and 2 annunciator breakers. An inspection of the aircraft by the operators maintenance personal revealed an unserviceable left starter-generator. The starter-generator was replaced and the aircraft was flown to base under the authority of a ferry flight permit for further inspection.

The pilot of a Perimeter Aviation Fairchild SA227-DC (C-GJVH/BLS341) on a flight from Thunder Bay, ON (CYQT) to Dryden Regional, ON (CYHD) rejected takeoff Runway 07.

On departure, a Bearskin Airlines Fairchild SA227-AC (C-GYRL/BLS344) from Sioux Lookout, ON (CYXL) to Thunder Bay, ON (CYQT) reported on initial contact climbing through initial cleared altitude. Controller corrected and cleared to flight planned altitude. No impact to operations.

At Calgary, AB (CYYC), a Carson Air Ltd. Swearingen SA227-AT (C-GTTM) was repositioning on the airfield, and was forced to stop at the intersection of Taxiway U and Taxiway A due to a coyote crossing. No impact to operations.

Multiple aircraft, including a Perimeter Aviation Fairchild SA227-AC (C-FMAV) from Thompson, MB (CYTH) to Thompson, MB (CYTH) and an Air Tindi de Havilland DHC-7-103 (TIN805) from Red Sucker Lake, MB (CYRS) to Thompson, MB (CYTH) reported that the Thompson (YTH) very high frequency omnidirectional range (VOR) 112.9MHz was unserviceable (U/S). The Technical Operations Coordinator (TOC) was advised and successfully reset the VOR within 15 minutes.

A Perimeter Aviation Fairchild SA227-AC (C-FTSK/PAG1760) from Windsor, ON (CYQG) to The Pas, MB (CYQD), inbound (IB) for CYQD, was forced to conduct a "low and over" to ensure that a vehicle (ST21) was off of the runway.

A missed approach was initiated by the pilot of a Sunwest Aviation Ltd. Fairchild SA227-DC (C-GSHY/CNK214) from Calgary, AB (CYYC) to Edmonton, AB (CYEG) due to being too high and too fast on the approach. No impact to operations.

A Bearskin Airlines Fairchild SA227 (BLS318) from Winnipeg/James Armstrong Richardson Intl, MB (CYWG) to Red Lake, ON (CYRL) rejected its take-off due to an indication. The aircraft taxied back to Apron 04. No operational impact.

A Sunwest Aviation Ltd. Fairchild SA227-DC (CNK214) from Calgary, AB (CYYC) to Edmonton, AB (CYEG) departed CYYC and had to return due to an "overheat wing" indication. CNK214 landed on Runway 17R, without issue. A WestJet Boeing 737-8 (WJA394) from Edmonton, AB (CYEG) to Calgary, AB (CYYC), following on approach for Runway 17R, conducted a go-around. The Aircraft Rescue and Fire Fighting (ARFF) unit was requested and responded. No other impact to operations.
UPDATE: TSB Report #A20W0070: C-GSAF, a Sunwest Aviation Fairchild SA227-DC, was operating as flight CNK214 from Calgary Intl, AB (CYYC) to Edmonton Intl, AB (CYEG) with two flight crew on board. Shortly after departing Runway 17R, the crew noted an excess amount of heat in the cockpit from the vents, and then the left hand wing overheat steady annunciator was observed. The flight crew actioned the Quick Reference Handbook (QRH), declared an emergency, and returned to CYYC. Emergency services were requested and the aircraft landed without further incident. Maintenance determined that the environmental system left hand mixing valve was modulating/hunting in the open (hot) position during auto mode operation. The cabin temperature controller P/N: HYLZ50434-1 was replaced, a flight test was conducted, and the aircraft was returned to service.

A Sunwest Aviation Fairchild SA227-DC (C-GSAF/CNK302) from Winnipeg/James Armstrong Richardson, MB (CYWG) to Calgary, AB (CYYC) reported that a coyote crossed in front of them while they were departing Runway 18. The Winnipeg Airport Authority (WAA) inspected the runway. No remains found. No impact to operations.

The pilot of a Perimeter Aviation Fairchild SA227-AC (C-FTSK/PAG663) from Winnipeg/James Armstrong Richardson, MB (CYWG) to Sandy Lake, ON (CZSJ) rejected its take-off from Runway 18 due to a control issue and taxied back to the apron. No impact to operations.

A Perimeter Aviation Fairchild SA227-AC (C-FTSK/PAG105) from Winnipeg/James Armstrong Richardson, MB (CYWG) to Norway House, MB (CYNE) rejected its take-off from Runway 31 due to bird activity.

A Perimeter Aviation Fairchild SA227-AC (C-FFJM/PAG781) from Thompson, MB (CYTH) to South Indian Lake, MB (CZSN) reported passing a dead bird while backtracking on Runway 06. A staff vehicle removed the bird after the departure of PAG781. No impact on operations.

A Carson Air Ltd. Fairchild SA227-AC (C-GKLK/CRN8059) from Calgary, AB (CYYC) to Regina, SK (CYQR) was initially on Taxiway Juliet and holding short of Bravo. The ground controller then issued instructions to taxi via Bravo and Delta to Runway 17L. The aircraft instead proceeded via Juliet, then Delta. A WestJet Boeing 737-7CT (C-GWSQ/WJA110) from Vancouver, BC (CYVR) to Calgary, AB (CYYC) that had landed on Runway 17L and was exiting via Delta 3 had to give way to C-GKLK as it taxied via the wrong route.

A Perimeter Aviation Fairchild SA227-AC (C-FYWG/PAG1882) reported bird activity (swallows) on Runway 06 at Thompson, MB (CYTH). Thompson Regional Airport Authority (TRAA) staff reported no evidence of a bird strike on Runway 06. TRAA used flares to disperse the swallows. No impact on operations.

TSB Report #A20W0065: C-GKLK, a Carson Air Ltd. Fairchild SA227-AC, was conducting an IFR flight from Regina (CYQR), SK, to Calgary (CYYC), AB, with 2 flight crew on board. During the initial portion of the approach, the flight crew observed the left hand hydraulic pressure warning light begin to flicker and then go solid, followed 30 seconds later by the right hand hydraulic pressure light. The flight crew actioned the appropriate checklists, manually extended the landing gear and advised the tower that a long landing would be required for the flap 0 landing. The aircraft landed and taxied clear without issue. Maintenance found a chaffed hydraulic line in the right hand engine bay. A Service Difficulty Report (SDR) was submitted to Transport Canada.
UPDATE from Airworthiness: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. On approach into Calgary, aircraft C-GKLK experienced a "hydraulic fail" indication. The landing gear was lowered on emergency, "3 green" indicators were obtained and a successful landing was made. Maintenance found a hydraulic line in the left-hand (L/H) engine bay that had been chaffed through. The area is difficult to inspect due to the number of clamps and protective cord wrapping in the area, however, the line had been clamped in accordance with the maintenance manual requirements. The line was replaced and the rest of the company fleet of SA227 were inspected for similar wear, yielding one other aircraft with a minor in-limits chafe in the same area. An ongoing detailed inspection will be implemented to supplement the general visual inspection specified by the manufacturers maintenance program. Service difficulty report (SDR) #20200821006 has been submitted.