October 4, 2019

Incident at 45NM QUÉBEC / JEAN LESAGE INTL QC (CYQB)

A Government of Canada, Department of National Defence Lockheed C-130 (CFC2540) on a flight from Trenton, ON (CYTR) to St. Johns, NL (CYYT) indicated they had a cracked windshield and needed to descend from FL290 to FL200. CFC2540 requested a diversion to Trenton, ON (CYTR). No emergency declared. No impact.

September 19, 2019

Incident at 176NM SEPT-ÎLES QC (CYZV)

En route, a corporate American -owned Bombardier BD-700-1A10 (N154QS) flying from London/Heathrow (EGLL), United Kingdom, to Hanscom Field (KBED), MA, reported a cracked windshield. No emergency. N154QS continued its normal flight except at FL200. No impact.

August 19, 2019

Incident at SEPT-ÎLES QC (CYZV)

A Max Aviation Beech B100 (C-FJDQ/MAX100) from Sept-Îles, QC (CYZV) to Montreal/Saint-Hubert, QC (CYHU) received and read back FL220. At 1932Z, MAX100 levelled off at FL200 and requested FL220. No impact on operations.

June 12, 2019

Incident at 50NM NE KUUJJUAQ QC (CYVP)

A First Air Boeing 737-406 (C-FFNE/FAB866) from Kuujjuaq, QC (CYVP) to Iqaluit, NU (CYFB) reported being struck by lightning around 50NM Northeast (NE) of CYVP, around FL200. FAB866 stayed enroute to their destination and said the plane will be checked on arrival.

May 19, 2019

Incident at 20 NM N SHERBROOKE QC (CYSC)

An Leeward Islands Air Transport Aerospatiale ATR 42 (V2LIA/LIA991) from Quebec/Jean Lesage, QC (CYQB) to Fort Lauderdale, FL (KFXE) received and read back FL200 but was seen climbing at FL204. When questioned, the aircraft reported that it was climbing to FL220, but the flight data entry (FDE) indicated FL200. LIA991 was cleared for FL220, and there was no impact on operations.

April 8, 2019

Incident at CYUL 240 / 25

A SkyWest Airlines Bombardier CL-600-2B19 (SKW3130) from Chicago, IL (KORD) to Montreal, QC (CYUL) reported that it had lost its airspeed indicator and declared an emergency. Emergency measures were taken. SKW3130 landed on Runway 06R at 1510Z. No impact on operations.
TSB Update #A19Q046: A SkyWest Airlines Bombardier CRJ-200 (N928EV/SKW3130), with 3 crew members and 44 passengers on board was on an instrument flight rules (IFR) flight from Chicago O’Hare, IL (KORD) to Montreal/Pierre Elliott Trudeau, QC (CYUL). While inbound for CYUL, at FL200, speed indications became unreliable; the pilot-in-commands anemometer displayed an "amber IAS flag" (indicated airspeed); the co-pilots indicated 40 kts and his altimeter was fluctuating. The flight crew declared an emergency. The aircraft landed without incident on Runway 06R, with Aircraft Rescue and Fire Fighting (ARFF) services present and ready to intervene. No damage or injuries to report.

February 8, 2019

Incident at MONTRÉAL / PIERRE ELLIOTT TRUDEAU INTL QC (CYUL)

A Porter Airlines de Havilland DHC-8-402 (POE471) from Toronto/Billy Bishop, ON (CYTZ) to Montreal/Pierre Elliott Trudeau, QC (CYUL) was in a holding pattern at ARVIE and FL200, and at 1912Z, it was cleared for descent. POE471 was seen at FL203 before starting to descend. A WestJet Encore de Havilland DHC-8-402 (WEN3526) from Toronto/Lester B. Pearson, ON (CYYZ) to Montreal/Pierre Elliott Trudeau, QC (CYUL) was also in the holding pattern at ARVIE and FL200. For a few seconds, separation was reduced to 700 ft and 3,3 NM, where normally, separation must be 1 000 ft or 5 NM.
Update: TSB Report #A19Q0027: C-GLQZ, a Porter Airlines Bombardier DHC-8-400, was on flight POE471 from Toronto/Billy Bishop Toronto City, ON (CYTZ) to Montreal/Pierre Elliott Trudeau Intl, QC (CYUL). During the descent at CYUL, air traffic control (ATC) assigned POE471 to a holding pattern at ARVIE, at FL200. C-GENM, a WestJet Encore Bombardier DHC-8-400, was on flight WEN3526 from Toronto/Lester B. Pearson Intl, ON (CYYZ) to CYUL, and was also in the holding pattern at ARVIE, FL210. When POE471 was cleared to leave the holding pattern, it was seen at FL203, which caused a loss of separation with WEN3526. Separation was reduced to 700 ft vertically and 3.3 NM laterally, while the standard was 1 000 ft or 5 NM.

January 24, 2019

Incident at BOBKI intersection

An Air Canada Airbus A330-300 (ACA419) from Montreal/Trudeau, QC (CYUL) to Toronto/Pearson, ON (CYYZ), which was on a heading of 280 and climbing to FL200, was instructed to fly direct MELTI. Fifty seconds passed before the beginning of the turn. The result was a loss of separation with a Jazz Bombardier CL-600-2B19 (series 200) (JZA8851) from Moncton/Roméo LeBlanc, NB (CYQM) to Ottawa/Macdonald–Cartier, ON (CYOW), which was abeam and descending to FL210. The paths were therefore divergent. No impact on operations.
Update - TSB Report #A19Q0013: C-GFAJ, an Air Canada Airbus A330-300, was on instrument flight rules (IFR) flight ACA419 from Montreal/Pierre Elliot Trudeau Intl., QC (CYUL) to Toronto/Lester B. Pearson Intl., ON (CYYZ). While it was climbing to FL200, the flight crew was instructed to proceed direct MELTI. 50 seconds passed before the beginning of the turn. Consequently, its separation with C-GGJA, a Jazz Aviaton LP Bombardier CRJ-200 on flight JZA851 to Ottawa/MacDonald-Cartier Intl., ON (CYOM), was reduced to 4.7 miles laterally, while the standard is 5 miles. The paths of the aircraft were divergent.

January 11, 2019

Incident at MONTREAL CENTRE / ACC DE MONTRÉAL

A British Aerospace BAE Jetstream 3100, operated by Pascan (PSC882), flying from Bagotville (CYBG), QC, to Montreal/Saint-Hubert (CYHU), QC, was handed off from Bagotville climbing to FL200. Upon initial contact with Montreal, PSC882 reported that it was going to climb from 10,500 feet to 15,000 feet. PSC882 was then re-cleared to FL200. No impact on operations.

January 7, 2019

Incident at ONDOB intersection

An Air Bravo Corp. Pilatus PC-12 (AB237) from Sudbury, ON (CYSB) to Ottawa/Macdonald-Cartier, ON (CYOW) crossed ONDOB while following the MEECH arrival at CYOW at FL207, though there was a crossing restriction at FL200 or less. AB237 was also seen conducting a right turn and deviating from the MEECH standard terminal arrival (STAR) after ONDOB, without clearance.

August 17, 2019

Incident at 10NM PRINCETON BC (CYDC)

A Horizon Air Industries Bombardier DHC-8-402 (N441QX/QXE2303) from Kelowna, BC (CYLW) to Seattle-Tacoma, WA (KSEA) was observed climbing above FL200, the controller was observed and queried. QXE2303 understood climbing to FL220. QXE2303 was cleared to and had read back FL200. No operational impact.

March 28, 2019

Incident at 59NM PORT HARDY BC VOR/DME (YZT)

A Pacific Coastal Airlines Saab SF340A (C-GPCN/PCO971) from Vancouver, BC (CYVR) to Masset, BC (CZMT) reported a pressurization issue at FL200. Aircraft descended to 10 000 feet and elected to return to CYVR. Landed safely on Runway 26L at 1705Z. No operational impact.

August 11, 2019

Incident at BIBER intersection (ELT)

At FL200, an Air Canada Rouge Airbus A319 (ROU1518) from Montreal/Pierre Elliott Trudeau, QC (CYUL) to Quebec/Jean Lesage, QC (CYQB) picked up the loud signal of an emergency locator transmitter (ELT) between BIBER and a point 5 NM northeast of BIBER. Joint Rescue Coordination Centre (JRCC) Trenton was notified; source unknown. No impact on operations.

July 24, 2019

Incident at 5213N / 09131W

A Mag Canada Beech 200 (C-GJLI) from Round Lake (Weagamow Lake), ON (CZRJ) to Sioux Lookout, ON (CYXL) requested, was cleared to, and correctly read back FL200, and was subsequently observed on radar climbing through FL200. No operational impact.

July 9, 2019

Incident at 80NM GERALDTON ON VOR/DME (YGQ)

A 1929927 Ontario Inc. Piper PA-46-310P (C-GHWQ) from Fort Hope, ON (CYFH) to Sudbury, ON (CYSB) was observed on radar climbing into controlled airspace without clearance. When the pilot contacted the Winnipeg Area Control Centre (ACC) controller for clearance, they reported through FL200. When queried by the controller, the pilot reported that they had the wrong frequency and was picking up icing, therefore needed to climb. No impact to operations.

June 29, 2019

Incident at 52NM OTTAWA / MACDONALD-CARTIER INTL ON (CYOW)

Despite having been authorized for and correctly reading back FL200, a Porter Airlines de Havilland DHC-8-402 (POE9803) from Ottawa/Macdonald-Cartier, ON (CYOW) to Toronto/Billy Bishop, ON (CYTZ) was observed at FL211 prior to air traffic control (ATC) intervention. No impact.

June 18, 2019

Incident at 30NM TRENTON ON (CYTR) (ELT)

A Porter Airlines de Havilland DHC-8-402 (POE944) from Boston, MA (KBOS) to Toronto/Billy Bishop, ON (CYTZ) reported an intermittent emergency locator transmitter (ELT) at FL200. Joint Rescue Coordination Centre (JRCC) Trenton was notified. No further reports.

March 15, 2019

Incident at TORONTO CENTRE / ACC DE TORONTO

A Tatonduk Outfitters Ltd. McDonnell Douglas MD-83 (N964CE/VTS9230) from Hamilton, ON (CYHM) to Willow Run, MI (KYIP) was observed to climb through the cleared altitude of 6000 feet. The aircraft was subsequently re-cleared to FL200. No impact on operations.

February 14, 2019

Incident at 5327N / 08914W

A Wasaya Airways de Havilland DHC-8-102 (C-GANS/WSG821) from Kingfisher Lake, ON (CNM5) to Sioux Lookout, ON (CYXL) was instructed to climb to FL200 and was subsequently observed on the radar as level at FL220.

August 5, 2019

Incident at 28NM SAULT STE MARIE MI VOR/DME (SSM)

A SelectJet Cessna 525 (JSL21) from Sault Ste. Marie/Sanderson Field, MI (KANJ) to Grand Rapids/Itasca County, MN (KGPZ) had been cleared to FL200 and read back the same. At 2029Z, JSL21 was observed just climbing through FL200 and was instructed to level off at FL210. Nearest approach to a Thunder Airlines Limited Mitsubishi MU-2 (THU860) from Toronto/Billy Bishop, ON (CYTZ) to Thunder Bay, ON (CYQT) was 1000 feet and 3.3NM.

June 4, 2019

Incident at INL 180 / 15 (ATS operating irregularity)

A North Central Aviation Pilatus PC-12/47 (NCJ96) from Minneapolis, MN (KANE) to Kenora, ON (CYQK) was handed off by the MSP controller at FL200 with descent to 8,000 at the pilots discretion. The Trout Lake Controller did not recognize that the MSP controller stated the aircraft was descending to 8,000 and did not enter it in Canadian Automated Air Traffic System (CAATS). The Trout Lake Controller handed off the position to the second Trout Lake Controller. The pilot commenced descent and was immediately queried by the second Trout Lake Controller. The aircraft was recleared to 8,000. No other aircraft involved.

January 16, 2019

Incident at SCOTTSDALE, AZ (KSDL)

TSB Report #A19F0016: The Sunwest Aviation Ltd. Learjet 45, C-GVVZ, was operating as flight CNK645 from Scottsdale (KSDL), AZ to Calgary Intl (CYYC), AB. While climbing to cruising altitude, at approximately FL200, the flight crew received an AP Aileron Trim CAS message. The pilot flying disengaged the autopilot and noted that the ailerons felt frozen. The ailerons were able to be broken free with minimal effort and the autopilot was re-engaged. As per SOP’s the flight crew performed a control check every 5000 feet in the climb thereafter. During the remainder of the flight, the issue did not re-appear and CNK645 landed uneventfully. No emergency was declared.

October 18, 2019

Incident at 36NM WINNIPEG / JAMES ARMSTRONG RICHARDSON INTL MB (CYWG)

A Vanguard Air Care Beech 200 (C-FFAP/VN02) from Winnipeg/James Armstrong Richardson, MB (CYWG) to Poplar River, MB (CZNG) was cleared to FL 200 at 0229Z, and read back clearance correctly. At 0235Z VN02 was observed on the radar climbing through FL210, controller queried the pilot and VN02 descended to FL200. No impact on operations.

October 8, 2019

Incident at 50NM REGINA SK (QR) NDB

A Jazz de Havilland DHC-8-402 (C-GGOY/JZA8441) on a flight from Regina Intl, SK (CYQR) to Calgary Intl, AB (CYYC) was cleared to and read back FL200. The aircraft was observed levelling off at FL220 and queried. The aircraft was then re-cleared to FL220. No impact to operations. No other aircraft in the vicinity.

September 30, 2019

Incident at 45NM SASKATOON / JOHN G. DIEFENBAKER INTL SK (CYXE)

A Jazz de Havilland DHC-8-402 (C-GXJZ/JZA8589) on a flight from Saskatoon/John G. Diefenbaker Intl, SK (CYXE) to Calgary Intl, AB (CYYC) was observed on radar climbing through FL210 without clearance. When queried by the Winnipeg area control centre (ACC) controller, the pilot said they were cleared to FL220. The pilot was cleared to FL200 and the clearance was readback correctly. JZA8589 was subsequently cleared to FL220. No impact to operations.

April 14, 2019

Incident at RANKIN INLET NU (CYRT)

A Keewatin Air Beech B200 (C-FXMY/KEW209) from Rankin Inlet, NU (CYRT) reported returning to CYRT due to an engine issue. No emergency declared and no assistance required. Flight landed at 0742Z without incident. No impact to operations.
Update TSB #A19C0031: C-FXMY, a Beech B200 King Air aircraft operated by Keewatin Air LP, was conducting medevac flight KEW209 from Rankin Inlet (CYRT), NU to Winnipeg/James Armstrong Richardson Intl (CYWG), MB with 5 persons on board. During the climb to cruising altitude through FL200, the right engine (PT6A-42) made a loud bang, followed by flames emitting from the exhaust. The flight crew conducted a precautionary engine shutdown, declared an emergency, and requested a return to CYRT. The aircraft landed without further incident, and taxied to the apron. The operator’s maintenance found a failed engine compressor blade.
UPDATE from company Maintenance: The pilot reported RH engine loss of torque (rolled back to 300 FT lbs) - shut down RH engine in flight. Upon investigationit was discovered that the 1st first stage compressor blade missing. #2 engine replaced with overhauled unit IAW P&W MM 72-00 and AMM 71-00 and 76-00. Leak check carried out, checked ok. Ground runs and data check carried out IAW AMM 77, checked ok. S/N engine on: PCE93931 S/N engine off: PCE94312. Aircraft released subject to satisfactory test flight. Independent inspection carried. Note: All Keewatins PT6A-42-41 engine 1st stage compressors inspected for damage. No faults found. All documented with maintenance tracking program. TSB, TC and P&W notified of incident. Engine has been sent to Standard Aero for tear down report on 1st stage compressor. P&W Canada to be involved in the process.

April 5, 2019

Incident at In the vicinity of: THOMPSON MB (CYTH)

A Perimeter Aviation Swearingen SA226-TC (PAG955) from Thompson, MB (CYTH) to Lac Brochet, MB (CZWH) was cleared to maintain FL200. Aircraft was subsequently observed levelling at FL210 and reported level at FL210. Aircraft was re-cleared to FL200. No operational impact.

June 20, 2019

Incident at 23NM GREATER MONCTON ROMEO LEBLANC INTERNATIONAL AIRPORT (CYQM)

A Moncton Flight College Beech C90A (C-GDHS) from Fredericton, NB (CYFC) to Fredericton, NB (CYFC) reported a laser illumination in the cockpit at FL200. The Royal Canadian Mounted Police (RCMP) was advised. No emergency or impact to operation.

December 8, 2018

Incident at In the vicinity of: MONTRÉAL / PIERRE ELLIOTT TRUDEAU INTL QC (CYUL)

A Government of Quebec, Service aérien gouvernemental Canadair CL600-2B16 (series 601-3A) (C-GQBQ/QUE20) on a MEDEVAC flight from Rouyn-Noranda, QC (CYUY) to Montreal/Trudeau, QC (CYUL), while in descent at FL210, rejected its descent to FL220 after receiving a Traffic Alert and Collision Avoidance System Resolution Advisory (TCAS RA) involving a Jazz de Havilland DHC-8-102 (C-FGRP/JZA8721) Montreal/Trudeau, QC (CYUL) to Val-dOr, QC (CYVO), which was level at FL200. The information was transferred successfully, and JZA8721 had the other aircraft in sight. No impact on operations.

November 20, 2018

Incident at 35NM KUUJJUAQ QC (CYVP)

After having received and read back the instruction to climb to FL200, a Max Aviation Beech B100 (C-GYPA/MAX190) from Kuujjuaq, QC (CYVP) to Montreal/Saint-Hubert, QC (CYHU) was seen climbing to FL211. MAX190 was cleared for FL220. No impact on operations.

November 7, 2018

Incident at MONTRÉAL / PIERRE ELLIOTT TRUDEAU INTL QC (CYUL)

After having received and read back FL200 upon departure from Val DOr, QC (CYVO) a Chrono Aviation Inc. Beech 1900D (NDL901) from Chibougamau/Chapais, QC (CYMT) to Montreal/Pierre Elliott Trudeau, QC (CYUL) reported that it was at FL192 climbing to FL210. It was also seen on the radar at FL205. The air traffic services (ATS) unit cleared the aircraft for FL220. No impact on operations.

November 1, 2018

Incident at MONTREAL CENTRE / ACC DE MONTRÉAL

A Nolinor Aviation Convair 440 (C-GQHB/NRL522) from Sept-Iles, QC (CYZV) to Quebec/Jean Lesage, QC (CYQB) was cleared for FL200 and read back this clearance. NRL522 was seen level at FL220. When interrogated by air traffic services (ATS), the aircraft indicated that it had been cleared for FL220. ATS then cleared NRL522 for FL220. No impact on operations.

August 25, 2018

Incident at GASPÉ / MICHEL-POULIOT QC (CYGP) (Communication navigation surveillance/air traffic system)

During initial contact and although it received and read back the clearance to climb to FL200, a Jazz de Havilland DHC-8-102 (JZA8765) from Gaspé/Michel-Pouliot, QC (CYGP) to Quebec/Jean Lesage, QC (CYQB) reported that it was climbing to FL220. This error was not discovered by the air traffic service (ATS) unit.

August 5, 2018

Incident at In the vicinity of: CZBM (Weather balloon, meteor, rocket, CIRVIS/UFO)

East of Bromont, QC (CZBM), an Air Canada Airbus A330-300 (ACA892) from Montreal/Pierre Elliott Trudeau Int'l, QC (CYUL) to Rome, Italy (LIRF) reported seeing a balloon or a drone at around FL200. No impact or deviation.

July 11, 2018

Incident at 15 S SAGUENAY QC VOR/DME (VBS) (Communication navigation surveillance/air traffic system)

A Jazz de Havilland DHC-8-301 (JZA8681) from Bagotville, QC (CYBG) to Montreal, QC (CYUL) was verbally transferred by Bagotville while on climb for FL200. During initial contact, JZA8681 indicated that it was climbing to FL210 and the error was not detected by air traffic services (ATS). No impact on operations.

June 21, 2018

Incident at ROUYN-NORANDA QC (CYUY)

A Glencore Canada Corporation Boeing 737-2S2C (C-GXNR/RAG200) from Rouyn-Noranda, QC (CYUY) to Montreal/Pierre Elliott Trudeau International, QC (CYUL), despite having been authorized and having correctly re-read the FL200, in initial contact with the Montreal area control centre (ACC), the aircraft signaled a climb to FL260. No operational impact.

Incident at CHIBOUGAMAU / CHAPAIS QC (CYMT)

An Air Creebec Inc. de Havilland DHC-8-102 (C-FCWP/CRQ236) from Chibougamau/Chapais, QC (CYMT) to Montreal/Pierre Elliott Trudeau International, QC (CYUL), despite having been authorized and having correctly read back FL220, leveled off at FL200. No operational impact.
Update: An Air Creebec Inc. de Havilland DHC-8-102 (C-FCWP/CRQ236) from Chibougamau/Chapais, QC (CYMT) to Montreal/Pierre Elliott Trudeau International, QC (CYUL) levelled off at FL200, even though it had been cleared for FL220 and had correctly read it back. When questioned by ATC, CRQ236 believed to have received FL200. CRQ236 was cleared again for FL200. No impact on operations.

May 19, 2018

Incident at 50NM SEPT-ÎLES QC (CYZV)

After having received and read back clearance to climb to FL200, a Jazz de Havilland DHC-8-102 (C-FGRP/JZA8729) from Sept-Îles, QC (CYZV) to Quebec/Jean Lesage, QC (CYQB) was seen climbing to FL220. No impact on operations.

April 10, 2018

Incident at 2NM SEPT-ÎLES QC (CYZV)

Even though it was cleared for FL200 and correctly read it back, a Jazz de Havilland DHC-8-102 (JZA8731) from Sept-Iles, QC (CYZV) to Quebec/Jean Lesage, QC (CYQB) was seen at FL212 still climbing. The air traffic controller (ATC) brought this to the pilot?s attention and gave a new clearance for FL220. No impact on operations.

April 6, 2018

Incident at 4934N / 06712W

Although it received and read back the clearance to climb to FL200, a Jazz de Havilland DHC-8-102 (C-GONX/JZA8731) from Sept-Îles, QC (CYZV) to Quebec/Jean Lesage, QC (CYQB) was seen at FL210. The aircraft was cleared again at FL200. No other impact on operations.

December 29, 2018

Incident at 15NM ANAHIM LAKE BC NDB (UAB)

A target that was squawking 2000 was observed climbing in uncontrolled airspace. The target was observed entering controlled airspace and climbing through FL200. Several unsuccessful attempts were made to contact the aircraft. The target was observed descending to FL175 and calling for a clearance. The aircraft, an Alkan Air Beech 1900D (C-GAAV/AKN235) from Anahim Lake, BC (CAJ4) to Nanaimo, BC (CYCD) was given clearance. No impact on operations.

May 30, 2018

Incident at 3NM RUTLAND (KELOWNA) BC (EX) NDB

A WestJet Encore de Havilland DHC-8-402 (C-GKWE/WEN3349) from Kelowna, BC (CYLW) to Vancouver International, BC (CYVR) was cleared to FL200. The pilot read back FL240. When the aircraft was observed climbing through FL200, WEN3349 was re-cleared to FL220. No operational impact.

February 18, 2018

Incident at 30NM KELOWNA BC (LW) NDB

A Carson Air Beech B300 (C-GRXX/CA911) on a flight from Kelowna, BC (CYLW) to Victoria, BC (CYYJ) reported loss of pressurization in the climb through FL110. After descending to FL100, the issue was resolved and the aircraft resumed the climb to FL200. No operational impact.

February 15, 2018

Incident at 5037N / 11643W

A Carson Air Ltd. Swearingen SA227-AT (C-GTTM/CA8081) from Calgary, AB (CYYC) to Kelowna, BC (CYLW) encountered pressurization problems at flight level 20 000 feet (FL200), requested and was cleared to 12 500 feet. No operational impact.
UPDATE from Airworthiness: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. Carson Air Person Responsible for Maintenance (PRM) reported that Maintenance could not find pressurization fault during ground runs. Door Seal Inflation valve manual plunger rigging inspected and adjusted slightly to ensure positive operation. Aircraft returned to service. No further occurrences found on subsequent flights.

February 4, 2018

Incident at 4838N / 12344W (ELT)

An Air Canada Airbus A320-211 (C-FPWE/ACA568) on a flight from Victoria, BC (CYYJ) to San Francisco, CA (KSFO) reported an emergency locator transmitter (ELT) through FL200 on the climb southbound of CYYJ. Victoria joint rescue coordination centre (JRCC) advised.

June 24, 2018

Incident at 51NM TIMMINS / VICTOR M. POWER ON (CYTS)

A Chrono Aviation Beech 1900 (NDL191) from Montreal/Pierre Elliott Trudeau Int'l, QC (CYUL) to Timmins/Victor M. Power, ON (CYTS) began a descent from FL200 without a clearance. Through FL180, NDL191 was then cleared down to 6000 feet. No operational impact.

June 2, 2018

Incident at MIVOK intersection

A Jazz de Havilland DHC-8-402 (JZA7980) from Toronto/Pearson International, ON (CYYZ) to Montreal/Pierre Elliott Trudeau International, QC (CYUL) was cleared to FL200. The pilot read back was correct. JZA7980 was observed climbing through FL205 and was re-cleared to FL210. No operational impact.

May 17, 2018

Incident at 33NM THUNDER BAY ON (CYQT)

An Air Bravo Pilatus PC-12/45 (C-FTAB/AB229) from Thunder Bay, ON (CYQT) to Kenora, ON (CYQK) was observed on radar climbing through FL202 without clearance. The pilot was initially cleared to FL200 and the clearance was read back correctly. When queried, the pilot stated they were cleared to FL220. AB229 was re-cleared to FL220. No impact to operations.

May 1, 2018

Incident at 40NM THUNDER BAY ON (CYQT)

A Thunder Airlines Beech A100 (C-GNEX/THU105) from Thunder Bay, ON (CYQT) to North Spirit Lake, ON (CKQ3) was issued and read back a clearance to maintain 16,000 ft. THU105 was subsequently observed climbing through 16,600 feet and was queried and requested FL200. No impact to operations.

February 17, 2018

Incident at ARVIE intersection

During its descent to Montreal/Pierre Elliott Trudeau Int'l, QC (CYUL), a WestJet Encore de Havilland DHC-8-402 (WEN8989) on a flight from Toronto/Lester B. Pearson Int'l, ON (CYYZ) to Montreal/Pierre Elliott Trudeau Int'l, QC (CYUL) informed the controller that it had lost vertical navigation (VNAV) between EPMOK and ARVIE, between FL230 and FL200, but that area navigation (RNAV) was not affected. No impact.

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