June 2, 2021

Incident at 60NM SE YARMOUTH NS (CYQI)

A Government of Canada, Department of National Defence Cormorant CH-149 (RSCU903) from Yarmouth, NS (CYQI) to Yarmouth, NS (CYQI) was observed transiting through CYD703 to coordinates on its VFR flight plan. The aircraft was not in contact with air traffic control (ATC). Greenwood terminal was advised and the Regional Joint Operations Centre (RJOC) confirmed that no activity was being conducted in CYD703 for the remaining active period. No impact to operations.

Incident at 4412N / 05705W

The Regional Joint Operations Centre (RJOC) advised the Moncton (QM) controller that a Government of Canada, Department of National Defence Lockheed P-3 (SABR30) from Greenwood, NS (CYZX) to Greenwood, NS (CYZX) declared an emergency and shut down its number 2 engine. Greenwood terminal advised. No impact on operations.

May 6, 2021

Incident at 4143N / 05723W

A United States Air Force McDonnell Douglas F-18 (MAZDA91) from Beaufort, SC (KNBC) to Portsmouth, NH (KPSM) left the altitude reservation (ALTRV) airspace and diverted due to an emergency. No impact on operations. The Joint Rescue Coordination Centre (JRCC) Halifax, the Regional Joint Operations Centre (RJOC) and the National Operations Centre (NOC) were advised. The aircraft exited the Moncton (QM) air space at 1455Z. (Duplicate AOR 273418-V1 deleted after cross-referencing information)

September 12, 2018

Incident at 4430N / 06000W

A Lineas Aereas De Espana Airbus A350-900 (ECMYX/IBE6252) from New York, NY (KJFK) to Madrid, Spain (MAD) declared MAYDAY due to a loss of an engine and requested descent to FL250 and initial return to KJFK then requested to proceed to Boston, MA (KBOS) instead. National Operations Centre (NOC), Regional Joint Operations Centre (RJOC) and Boston air route traffic control center (ARTCC) advised all. No other impact on operations.

March 19, 2014


An American corporately registered Learjet 35A Medevac (N241CA) from Punta Cana (MDPC) to Halifax, NS (CYHZ) advised time critical due to patient condition and requested a route that penetrated CYDs (restricted areas) south of CYHZ. Approved by Regional Joint Operations Centre (RJOC). The aircraft exited at 1722Z.

February 6, 2014

Incident at 140 S YARMOUTH NS (CYQI)

A Government of Canada, Department of National Defence Lockheed P-3 (HNTR20) on a local flight from Greenwood, NS (CYZX) called declaring an emergency. Smoke in the cockpit. Advised proceeding direct to Yarmouth, NS (CYQI) for landing. Requested clearance through restricted airspace CYD703. RJOC advised. The aircraft later requested direct to CYZX. Landed at 1609Z. No impact.

November 20, 2010

Incident at 4429N06239W

TALON30, Sikorsky S61, was on VFR flight from Shearwater (CYAW) to the HMCS Toronto via Port Hawksbury (CYPD) and Sable Island (CST5). Aircraft went overdue. The pilot did not update the ETA during a fuel stop. The Rescue Coordination Centre (RCC) contacted the Halifax Flight Information Centre to advise that RJOC Atlantic had informed them of the situation. AT 22:20Z, the Shearwater (CYAW) Base operations called to advise that TALN30 was 20 miles from HMCS Toronto and they requested that the flight plan be closed as TALN30 was in radio contact with ship. The RCC was advised and the flight plan was closed.

June 21, 2010

Incident at Approximately 35 miles southwest of Halifax (CYHZ) (ATS operating irregularity, ATM - inaccurate aeronautical information)

As part of the HALCYON RV Airspace Booking the CYD 734,735,736.737 and 738 areas were changed from surface to 20,000 ft. to surface to 30,000 ft. without coordination with the Area Control Centre (ACC). The NOTAM office was informed of the change and processed the NOTAM at approximately 22:34Z. There was no start time for the change so it took affect immediately. Moncton ACC was not advised by the Regional Joint Operations Centre (RJOC) and it was 20 minutes later (22:54Z) before the paper copy of the NOTAM was brought to the attention of the Shift Manager. No aircraft were in the area at the time of the occurrence.

February 12, 2010


Several aircraft overflying the Halifax Harbour on the downwind leg for approach reported a TCAS advisory with the target showing zero altitude. No aircraft were reported in the area or displayed on radar. The Halifax Flight Information Centre (FIC) and Regional Joint Operations Centre (RJOC) were advised and are investigating local users (i.e. military vessels) to determine the cause. Nil TSB.