Quebec radio remote communications outlet (RCO) 123.75 at Ottawa/Gatineau, QC (CYND) was unserviceable from 030230Z to 031216Z.

An Aéroclub Gatineau Ottawa Inc. Cessna 150M (C-GEEH) from Ottawa/Gatineau, QC (CYND) to Ottawa/Gatineau, QC (CYND) executed a missed approach for Runway 27 due to an Evolution Flight School Inc. Diamond DA 20-C1 (C-GEWM) from Ottawa/Gatineau, QC (CYND) to Ottawa/Gatineau, QC (CYND) being slow to vacate the runway. C-GEEH rejoined the circuit and landed without further incident.

The pilot of a privately registered Cirrus SR20 from Ottawa/Macdonald-Cartier, ON (CYOW) to Ottawa/Macdonald-Cartier, ON (CYOW) entered the Ottawa/Gatineau, QC (CYND) mandatory frequency (MF) area from the Southwest, and made their initial call when 1NM South of the field, inbound for landing. The pilot indicated that they were on the wrong frequency.

A privately registered Cessna 172L from Quebec/Neuville, QC (CNV9) to Ottawa/Gatineau, QC (CYND) contacted the flight service station (FSS) via cell phone to inform them of a complete electrical failure. The aircraft was 21NM East of CYND, at 2000 feet. They confirmed they were on approach for a full stop landing on Runway 09 and that they would join the left downwind. Circuit and landing conducted without issue. No impact to operations.

An Academie De Pilotage Internationale Inc. Cessna 172N (C-GZTE) from Ottawa/Gatineau, QC (CYND) to Ottawa/Gatineau, QC (CYND) transited westbound (WB) over power lines 3NM N at 2000ft without contacting the flight service station (FSS). No impact on operations.

At 0211Z, on final for Runway 27, a privately registered Mooney M20C from St-Mathieu-de-Beloeil, QC (CSB3) to Ottawa/Gatineau, QC (CYND) declared MAYDAY MAYDAY due to loss of engine power. The aircraft immediately came back and said it was a false alarm. The pilot confirmed having fuel reserves, engine power and control of the aircraft. The aircraft landed on Runway 27 without issue at 0214Z.

The pilot of a Parachutisme Adrénaline Inc. Cessna 208B (C-GYRQ/ADRNL8) from Ottawa/Gatineau, QC (CYND) to Ottawa/Gatineau, QC (CYND) reported an unidentified aircraft in Class C airspace at 6500ft, no contact with air traffic control (ATC).

A privately registered Piper PA-28-140 from Ottawa/Rockcliffe, ON (CYRO) to Morrisburg, ON (CNS8) departed CYRO and transited Class E airspace at 2000ft, without contacting the flight service station (FSS). No impact on operations.

An unknown aircraft transited Class E airspace at 2000ft without contacting the flight service station (FSS). No impact on operations.

An aircraft under code 1200 transited eastbound (EB) over the river at 1800ft without contacting the flight service station (FSS). No impact on operations.

A VFR aircraft from Ottawa/Rockcliffe, ON (CYRO) to Cornwall, ON (CYCC) departed CYRO and transited eastbound (EB) over the river at 1600ft without contacting the flight service station (FSS). No impact on operations.

A privately registered Piper PA-38-112 from Ottawa/Gatineau, QC (CYND) to Quebec/Neuville, QC (CNV9) was observed entering Runway 09 without contacting the flight service station (FSS). No impact on operations.

A privately registered, amateur-built Super Lambair I from Ottawa/Gatineau, QC (CYND) to Montreal/St-Lazare, QC (CST3) was observed entering Runway 09 without contacting the flight service station (FSS). No impact on operations.

A privately registered Cessna TU206G from Ottawa/Gatineau, QC (CYND) to Lac-à-la-Tortue, QC (CSL3) was observed entering Runway 27 without contacting the flight service station (FSS). No impact on operations.

After having been authorized and correctly re-reading the standardized instrument departure (SID) CYND3, a privately registered Mooney M20J from Ottawa/Gatineau, QC (CYND) to St-Georges, QC (CYSG) turned without authorization upon takeoff from Runway 09. No impact on operations.

After receiving the airport advisory service (AAS) on the ramp, an Aviation SSG Inc. Cessna 206H (C-GTMQ) from Ottawa/Gatineau, QC (CYND) to Toronto/Buttonville, ON (CYKZ) was observed crossing the hold short line without contacting the flight service station (FSS). No impact on operations.

A privately registered Cessna 150E from Ottawa/Gatineau, QC (CYND) to Ottawa/Gatineau, QC (CYND) had a runway excursion upon landing on Runway 27. The pilot was able to taxi off the runway. A vehicle (ST22) conducted a runway inspection and found debris.

A 6565441 Canada Harvard 4 (C-FROA) from Ottawa/Gatineau, QC (CYND) to Ottawa/Gatineau, QC (CYND) aborted their take-off from Runway 27 due a mechanical issue and then taxied off the runway. An International Pilot Academy Cessna 172N (C-GYTI) from Ottawa/Gatineau, QC (CYND) to Ottawa/Gatineau, QC (CYND), on final for circuits, conducted a go-around.

A Cargair Ltee. Cessna 152 (C-GAUB) from Montreal/St-Hubert, QC (CYHU) to Montreal/St-Hubert, QC (CYHU) crossed the hold short line of Runway 27 at Ottawa/Gatineau, QC (CYND) without contacting the Flight Service Station (FSS). No impact on operations.

After receiving Airport Advisory Service (AAS) on the ramp, a privately registered ultra light Apollo Delta Jet 582 on a flight from Ottawa/Gatineau, QC (CYND) was observed crossing the hold short line without contacting the Flight Service Station (FSS). No impact on operations.

A privately registered Cessna 150G from Ottawa/Gatineau, QC (CYND) to Ottawa/Gatineau, QC (CYND) reported a deer near the threshold of Runway 27 just prior to take-off. Gatineau Airport was advised (ADZ). The runway inspection was completed and no animal was found. Impact: two aircraft (A/C) in the circuits conducted a "low and over" instead of a "touch and go". Not other impact on operations.

A Richcopter Inc. Cessna 150M (C-GDXD) from Ottawa/Gatineau, QC (CYND) to Drummondville, QC (CSC3) was observed entering Taxiway Alpha without contacting the Flight Service Station (FSS). Communication was established once aircraft finished the run-up. After receiving the aerodrome advisory service (AAS), the aircraft crossed the hold short line without contacting FSS. No impact on operations.

A privately registered American Aviation AA-5B from Ottawa/Gatineau, QC (CYND) to Ottawa/Gatineau, QC (CYND) was observed taxiing on Taxiway Alpha and Runway 09 without having established communications on the mandatory frequency (MF). The aircraft then departed, conducted a circuit and landed, again without having established communication on the MF. No other impact.

An unknown aircraft from Ottawa/Rockcliffe, ON (CYRO) transited the Ottawa/Gatineau, QC (CYND) mandatory frequency (MF) zone, Eastbound over the Ottawa River, without contacting the flight service station (FSS). No impact on operations.

An unknown aircraft from Ottawa/Rockcliffe, ON (CYRO) transited the Ottawa/Gatineau, QC (CYND) mandatory frequency (MF) zone, Eastbound over the Ottawa River, without contacting the flight service station (FSS). No impact on operations.

After receiving the airport advisory service (AAS) on the ramp, a Les Levés Aéroscan Inc. Piper PA-23-250 (C-GNZQ/SCANNER4) from Ottawa/Gatineau, QC (CYND) to Amos/Magny, QC (CYEY) was observed crossing the hold short line without contacting the Flight Service Station (FSS). No impact on operations.

After receiving the aerodrome advisory service (AAS), an Entreprise Helibenny Sec Robinson R44 (C-GBQZ) from Ottawa/Gatineau, QC (CYND) to Ottawa/Gatineau, QC (CYND) was observed crossing the hold short line without contacting the flight service station (FSS). No impact on operations.

A Steland Aviation Limited Partnership Cessna 172S (C-GKTF) on a flight from Cornwall, ON (CYCC) to Cornwall, ON (CYCC) transited the Ottawa/Gatineau, QC (CYND) mandatory frequency (MF) zone while Eastbound over the Ottawa River at 2000 feet without contacting the flight service station (FSS). No impact.

After receiving the aerodrome advisory service (AAS), an Expressair Cessna 208 (C-FRHH) from Ottawa/Gatineau, QC (CYND) to Ottawa/Gatineau, QC (CYND) was observed crossing the hold short line without contacting the flight service station (FSS). No impact on operations.

A 3457265 Canada Inc. amateur-built Gray-Sherick (Gray Special) (C-GBEP) on a flight from Ottawa/Gatineau, QC (CYND) to Ottawa/Gatineau, QC (CYND) was observed at 280 knots and 200 feet over the north shoreline of the Ottawa River. The aircraft then joined the "upwind" at 270 knots and 900 feet from a privately registered Cessna 182M on a flight from Ottawa/Gatineau, QC (CYND) to Ottawa/Gatineau, QC (CYND) that was on short final for Runway 09.

An Academie De Pilotage Internationale Cessna 172N (C-GZTE) from Ottawa/Gatineau, QC (CYND) to Ottawa/Gatineau, QC (CYND) doing circuits on Runway 27 became "no radio" (NORDO). Aircraft landed safely at 1902Z. No impact on operations.

An Academie de Pilotage Internationale Cessna 172N (C-GYTI) on a flight from Ottawa/Gatineau, QC (CYND) to Ottawa/Gatineau, QC (CYND) was conducting a touch and go on Runway 27. The aircraft landed and advised that they would have to do a full stop and exit the runway due to an unspecified reason. A Rockcliffe Flying Club Cessna 172N (C-GIGU) on a flight from Ottawa/Rockcliffe, ON (CYRO) to Ottawa/Rockcliffe, ON (CYR), on short final, was advised and asked to conduct a missed approach due to traffic still on the runway. C-GIGU rejoined the circuit and C-GYTI cleared the runway without further incident.

A Midfield Enterprises Ltd. Cessna P210N (C-GKPQ) from Ottawa/Gatineau, QC (CYND) to Geraldton (Greenstone Regional), ON (CYGQ) was seen turning right at takeoff from Runway 27 without clearance. The aircraft was cleared for standard instrument departure (SID) Gatineau 3, which calls for a climb along the runway heading.

A Government of Canada Department of National Defence Lockheed C-130 (Hercules) (TIGR334) from Trenton, ON (CYTR) to Ottawa/Gatineau, QC (CYND) conducted a missed approach on Runway 09 due to an Aéroclub Gatineau Ottawa Inc. Cessna 150M (C-GEEH) from Ottawa/Gatineau, QC (CYND) to Ottawa/Gatineau, QC (CYND), which was taxiing on the runway to leave via Taxiway A. No other impact on operations.

An Academie De Pilotage Internationale Cessna 172N (C-GYTI) from Ottawa/Gatineau, QC (CYND) to Ottawa/Gatineau, QC (CYND) entered the CYND Mandatory Frequency (MF) zone without contacting the Flight Service Station (FSS). No impact to operations.

After receiving aerodrome advisory services (AAS) on initial contact, a privately registered Cessna 150DX on a flight from Ottawa/Gatineau, QC (CYND) to Ottawa/Gatineau, QC (CYND) became no radio (NORDO) and took off for 1 circuit. No impact on operations.

Communication was lost with a privately registered ultralight Apollo Delta Jet 582 after pilot made initial contact. No impact on operations.

A privately registered Cessna T182T from Kingston, ON (CYGK) to Ottawa/Rockcliffe, ON (CYRO) entered Ottawa/Gatineau, QC (CYND) Mandatory Frequency (MF) zone without contacting the Flight Service Station (FSS). No impact on operations.

An Acer Cold War Museum Aero L-29 Delfin (C-GGRI) from Ottawa/Gatineau, QC (CYND) to Montreal/Mirabel, QC (CYMX) and an Acer Cold War Museum Aero L-29 Delfin (C-GGRY) from Ottawa/Gatineau, QC (CYND) to Montreal/Mirabel, QC (CYMX) were in position on the threshold of Runway 27, when the second aircraft reported a mechanical issue. Pilot got out of plane and walked over to fix the aircraft for 4 minutes. Both aircraft took off at 1718Z. Impact: An École De Pilotage Évolution Inc. Diamond DA 20-C1 (C-GEWM) from Ottawa/Gatineau, QC (CYND) to Ottawa/Gatineau, QC (CYND), inbound for a full stop, was delayed in their approach by about 3 minutes by going eastbound (EB) for a long final instead of right base (RB).

An Allumette Flying Club Inc. Cessna 172M (C-GAXA) from Ottawa/Gatineau, QC (CYND) to Pembroke, ON (CYTA) was observed on Taxiway A without authorization. No impact on operations.

An Academie De Pilotage Internationale Cessna 172P (C-FPAU) from Ottawa/Gatineau, QC (CYND) to Ottawa/Gatineau, QC (CYND) was observed entering the CYND mandatory frequency (MF) area from the South without establishing communications. Several unsuccessful attempts were made to contact the aircraft. C-FPAU landed on Runway 27 without incident at 2045Z, no impact on operations.

An Academie De Pilotage Internationale Cessna 172P (C-FPAU) from Ottawa/Gatineau, QC (CYND) to Ottawa/Gatineau, QC (CYND) requested priority for an alternator issue while mid downwind for Runway 27. Aircraft landed safely at 2243Z. Impact: A privately registered Piper PA-46-500TP from St. Catharines/Niagara, ON (CYSN) to Ottawa/Gatineau, QC (CYND) conducted an orbit in long final. An Aéroclub Gatineau Ottawa Inc. Cessna 150M (C-GEEH) from Ottawa/Gatineau, QC (CYND) to Ottawa/Gatineau, QC (CYND) was delayed by a couple minutes on the ground.

An Emergency Locator Transmitter (ELT) signal was heard from a privately registered Cessna A185E from Ottawa/Gatineau, QC (CYND) to Montreal/Aeroparc Ile Perrot, QC (CSP6). ELT signal heard for 4 minutes. Vehicle (ST22) identified source as Cessna A185E on the ramp. ELT had been activated by mistake. The Joint Rescue Coordination Centre (JRCC) Trenton was advised, no impact on operation.

An École de Pilotage Evolution Diamond DA 20-C1 (C-GIIN) on a flight from Ottawa/Gatineau, QC (CYND) to Ottawa/Gatineau, QC (CYND) entered Montreal tower Class C airspace at 1 500 ft without clearance and without having established communication. No loss of separation. No impact on operations.

An Ottawa Police Service Cessna U206G (C-GMJF) from Ottawa/Macdonald-Cartier, ON (CYOW) to Ottawa/Macdonald-Cartier, ON (CYOW) entered the Ottawa/Gatineau, QC (CYND) mandatory frequency (MF) without contacting the flight service station (FSS). Aircraft conducted orbits over Orleans and Ottawa River and left zone at 1530Z. No impact on operations.

After landing, an École De Pilotage Évolution Inc. Diamond DA 20-C1 (C-GEWM) from Ottawa/Gatineau, QC (CYND) to Ottawa/Gatineau, QC (CYND) became disabled on Runway 27 due to a front left tire issue. First 2800ft from threshold of Runway 27 were closed via voice NOTAM from 1748Z to 1824Z. Impact: an Academie De Pilotage Internationale Inc. Cessna 172N (C-GYTI) from Ottawa/Gatineau, QC (CYND) to Ottawa/Gatineau, QC (CYND) and a Sander Geophysics Limited Cessna 208B (C-GSGV) from Ottawa/Macdonald-Cartier, ON (CYOW) to Ottawa/Gatineau, QC (CYND), in the circuit, elected to conduct missed approaches.

At Ottawa/Gatineau, QC (CYND), 2 separate emergency locator transmitter (ELT) signals were heard on frequency 121.5, at 1528Z and 1529Z. Area Control Centre (ACC) advised. A vehicle (ST20) was advised and the source of ELT was located. A privately registered Cessna 180, on the ramp, accidentally set off the ELT during maintenance work.

A loud and clear emergency locator transmitter (ELT) signal was heard by Gatineau Radio at 1835Z. The Joint Rescue Coordination Centre (JRCC) Trenton was notified. No impact on operations.

The flight service station (FSS) requested that snowplow (TK87) exit the runway, with no reply given by the snowplow operator. The FSS observed that the vehicle was receiver only (RONLY) and starting to exit the runway. Communication was re-established just before TK87 exited the runway.

A privately registered Mooney M20E on a flight from Ottawa/Rockcliffe, ON (CYRO) to Ottawa/Rockcliffe, ON (CYRO) entered the Ottawa/Gatineau, QC (CYND) mandatory frequency (MF) without contacting the flight service station (FSS). No impact on operations.