September 4, 2022

Incident at In the vicinity of: Halifax/Shearwater, NS (CYAW)

An American, privately registered Maule MX-7-180AC from Yarmouth, NS (CYQI) to Charlottetown, PE (CYYG) landed at Halifax/Shearwater, NS (CYAW) without communication with or approval from air traffic control (ATC). The pilot reported a possible engine issue and advised that the landing was precautionary. The aircraft also entered Halifax terminal airspace without establishing communication. The aircraft landed at CYAW at 2058Z and departed the facility at 2106Z. No emergency or impact to operations.

May 3, 2022

Incident at In the vicinity of: HALIFAX / STANFIELD INTL NS (CYHZ)

A Jazz de Havilland DHC-8-402 (JZA7676) from St. Johns, NL (CYYT) to Halifax/Stanfield, NS (CYHZ) was below the standard terminal arrival (STAR) altitude at OBNOM and went through the Halifax/Shearwater, NS (Heli) (CYAW) control zone.

November 17, 2021


A Bell 412 aircraft (flight RNGD84), on a VFR flight from Halifax/Shearwater, NS (CYAW) to Fredericton, NB (CYFC), was observed entering restricted airspace CYR717. The aircraft was not in communication with the Halifax/Stanfield, NS (CYHZ) Terminal Control Unit (TCU). No impact to operations.

February 23, 2021

Incident at In the vicinity of: HALIFAX / STANFIELD INTL NS (CYHZ)

A Government Of Canada, Department Of National Defence Sikorsky S-92A (TALN21) from Shearwater, NS (CYAW) to Shearwater, NS (CYAW) reported a mechanical issue. No emergency declared or assistance required. The aircraft landed at 1805Z at CYAW. No impact on operations.

August 1, 2020

Incident at 1NM E Halifax/Shearwater (CYAW)

The pilot of a Provincial Aerospace Beech 200 (C-GGAO/SPR03) from Halifax/Stanfield, NS (CYHZ) to Halifax/Stanfield, NS (CYHZ) advised the CYHZ tower that they encountered a remotely piloted aircraft system (RPAS) at 1500ft 1NM East of the Halifax/Shearwater, NS (CYAW) control zone. Evasive action was not taken. The Moncton (QM) Area Control Centre (ACC) shift manager was advised.

January 24, 2020


The request of a Government Of Canada, Department Of National Defence Sikorsky S-92A (LYNX09) from Shearwater, Nova Scotia (CYAW) to Shearwater, Nova Scotia (CYAW), on an IFR approach to Charlottetown, PE (CYYG), for area navigation (RNAV) Runway 10, was denied.

October 28, 2019


A Government Of Canada, Department Of National Defence Sikorsky S-92A (TALN10) from Shearwater, NS (CYAW) to Shearwater, NS (CYAW) advised cancelling IFR and returning to CYAW.

November 22, 2018


A Government of Canada Department of National Defense Sikorsky S-92A (LYNX13) from Halifax/Shearwater, NS (CYAW) to Halifax/Shearwater, NS (CYAW) declared an emergency (PAN PAN) due to a chip indication. The aircraft landed at 2040Z. No impact on operations.

July 20, 2018

Incident at CYAW (ELT)

Shearwater, NS (CYAW) tower relayed an emergency locator transmitter (ELT) report from one of their helicopters to Halifax terminal. The helicopter was west of the field and picked up a weak ELT at 1810Z. The ELT signal was lost by 1812Z. Joint Rescue Coordination Centre Halifax (JRCC) advised.

April 10, 2017


TSB REPORT#A17A0029: C-GCPJ, a Bell 429 helicopter operated by the Canadian Coast Guard, was slinging a load of banded steel siding from Canadian Forces Base Shearwater, NS (CYAW) to Georges Island in Halifax Harbour, NS when several short pieces slipped out due to load flexing and fell into an area of bushes. The load was delivered to the destination with no further issue and the lost pieces were recovered.

December 17, 2016


An Air Canada Airbus A320-214 (C-FZUB/ ACA1330) from Toronto, ON (CYYZ) to Halifax, NS (CYHZ) reported a traffic alert and collision avoidance system (TCAS) resolution advisory (RA) after a Department of Transport Bell 429 (C-GCPJ/ CTG438) on a local flight from Shearwater, NS (CYAW) passed approximately 1 mile away on approach Runway 23. Both aircraft had each other in sight when 4 miles apart. CTG438 had been instructed to pass Behind ACA1330 by Tower and complied. No impact on ACA1330's approach and landed without incident.

December 6, 2016


A KASI Aviation Services Piper PA-31 (C-GKSX) on a local flight from Halifax, NS (CYHZ) penetrated CYR717 which is active 24/7 up to 1700 ft. ASL as of November 9, 2016. The pilot was referring to a VFR chart valid from 2015 and shows CYR717 as occasional by NOTAM to 1500 ft. The Canada Flight Supplement (CFS) does contain the changes to this airspace effective November 9, 2016. No impact on operations.

October 19, 2016

Incident at In the vicinity of: DARTMOUTH NS

A Canadian Helicopters Limited Sikorsky S-76A (C-GIMN) from Charlottetown, PE (CYYG) reported a green laser strike. The strike occurred at approximately 0120Z, as they entered the CFB Shearwater, NS (CYAW) zone (near the Mic Mac Mall) from the north inbound to Point Pleasant Park. The Royal Canadian Mounted Police (RCMP) and Halifax, NS (YHZ) Tower were advised. No injuries reported.

August 2, 2016


At 1445Z, a Jazz de Havilland DHC-8-400 (JZA8993) from Toronto, ON (CYYZ) to Halifax, NS (CYHZ) reported an emergency locator transmitter (ELT) signal 10 south of CYHZ, at a strength of 5 at 4000 feet. It was last heard 5 SW of CYHZ at 1450Z intermittently at 2000 feet. Joint Rescue Coordination Centre (JRCC) Halifax was advised. CYHZ Tower and Shearwater, NS (CYAW) operators could not hear anything. Other aircraft were asked and no other reports. All information forwarded to JRCC Halifax.

June 10, 2016


A Government of Canada, Department of National Defence Sikorsky S61B (CH124) (SHRK04) on a local flight from Halifax, NS (CYHZ) declared an emergency with Shearwater, NS (CYAW) Tower around 1537Z. The aircraft landed safely at Rainbow Haven (6 miles East of CYAW) around 1547Z. The aircraft remained VFR and never contacted Moncton Center.

May 18, 2016


Shortly after departure, a Government of Canada Sikorsky S-61L (TALN34) reported, through the military advisory provider, a minor malfunction and returned to Shearwater, NS (CYAW) without incident. No impact on air traffic services (ATS).

February 14, 2016

Incident at In the vicinity of: HALIFAX / STANFIELD INTL NS (CYHZ) (Aerodrome, runway or taxiway shutdown)

While working on a local flight from Shearwater, NS (CYAW), a Department of National Defence Sikorsky S-61L (TALN10) declared PAN PAN at 1834Z. Aircraft advised tower of one engine out and landing Halifax, NS (CYHZ). Aircraft rescue and fire fighting (ARFF), Halifax International Airport Authority (HIAA) and Moncton area control centre (ACC) advised. Landed 1849Z with minimal impact on operations; Runway 05 was not available for approximately 15 minutes, with Runway 32 still available.

August 11, 2015


Staff 52 reported small puddles of hydraulic fluid on Taxiway Foxtrot. Fluid was believed to be from LYNX 12 (a Department of National Defence (CFC) Sikorsky S-61 from Shearwater, NS (CYAW)).

May 14, 2015

Incident at In the vicinity of: Shearwater, NS (CYAW)

A Department of National Defence Sikorsky S-61L (LYNX34) from Shearwater, NS (CYAW) reported fuel indication light enroute to Greenwood, NS (CYZX). The aircraft cancelled IFR and advised it was returning to CYAW. No assistance, no emergency. The aircraft landed safely at 1528Z. No impact on the operation.

November 10, 2014

Incident at 2.5 miles NW Shearwater, NS (CYAW) (Communication navigation surveillance/air traffic system)

A NOTAM that was incorrect in time and place was disseminated for unmanned aerial vehicle (UAV) activity approximately 2.5 NM NW of Shearwater, NS aerodrome. A UAV activity was ongoing for 3 hours before the discovery of the incorrect NOTAM was made. The NOTAM should have been for a 1400Z start. Instead two NOTAMS were disseminated for the same time period and place with a start time for the next day.

November 21, 2013

Accident at Halifax / Shearwater, NS (CYAW)

TSB Report#A13A0119: The Shearwater Aviation Museum's Fairey Firefly FR Mk I aircraft, registration C-GRCN, had undergone restoration to flying condition for inclusion in the museum collection. With winds directly down the inactive runway 34 at CFB Shearwater, taxi tests were conducted in preparation for an eventual test flight. Power was set to 2300 RPM for a high speed taxi test and when the nose began to drift right, left rudder input was added. A subsequent left yaw developed that could not be controlled with full right rudder input. The left yaw continued until the aircraft's nose was positioned 90 degrees relative to its direction of travel. The right main gear collapsed inboard and the left main gear failed to its outboard side during the ground loop, which resulting in substantial propeller and other aircraft damage.

November 19, 2013

Incident at In the vicinity of: Shearwater (CYAW)

A Government of Canada, Department of National Defence Sikorsky S61L (TALN41) on a local flight from Shearwater, NS (CYAW) was working approaches at Halifax, NS (CYHZ) for training flight. Pilot advised of 'electrical fumes in the cockpit', the aircraft was minimum control speed (VMC) and opted to cancel IFR and return to CYAW VFR. Arrived, safely, at 1640Z. No impact on operations.

November 23, 2012


C-GFRU, Cessna 172S, departed from Debert (CCQ3) without contacting Air Traffic Control, then proceeded through the Halifax terminal, control zone and the Shearwater (CYAW) control zone. The pilot contact Halifax tower at 19:45Z entering the control zone to transit back to Debert.

November 22, 2012

Incident at Bedford

LYNX12, Sikorsky S61N, enroute from Greenwood (CYZX) to Shearwater (CYAW), conducted a forced landing due to a primary servo malfunction (hydraulic system). The helicopter landed without incident or visible damage.

November 6, 2012

Incident at 10 Miles South of Charlottetown (CYYG)

LYNX35, Sikorsky S61N helicopter reported a navigation/electrical problem approximately 10 miles south of Charlottetown (CYYG). The aircraft changed to VFR and returned to Shearwater (CYAW). The helicopter landed at 00:26Z.

July 31, 2012

Incident at CYAW

At 21:58Z, the Terminal Control Unit (TCU) advised the Halifax (CYHZ) Tower that CJT621, Boeing 727-200, enroute from St. John?s (CYYT) to Moncton (CYQM) was diverting to Halifax with a pressurization issue. No assistance was required. The aircraft landed safely at 22:27Z. TSB Case Closed.
UPDATE TSB: A12A0078: The B727-200 (registration C-GUJC) aircraft was en route from St John's International (CYYT) to the Greater Moncton International (CYQM) airport. While in cruise flight the outer pane on the first officer's R2 sliding window cracked. The aircraft diverted to Halifax (CYAW) where maintenance replaced the R2 window. The aircraft was then released for service.

June 15, 2012


An ELT signal was heard on frequencies 121.5 & 243.0 in Halifax (CYHZ) for 45 seconds. Shearwater (CYAW) tower did not hear it. The Rescue Coordination Centre (RCC) was advised. The source of the signal could not be determined.

March 12, 2012

Incident at Vicinity of Shearwater (CYAW) (Conflict - potential, Communication navigation surveillance/air traffic system, ATM - other)

JZA 896, an RJ100 inbound from Boston (KBOS) was conducting a left hand visual approach to Runway (RWY) 32 at Halifax (CYHZ). The aircraft turned left base at a point 2.5 miles final from RWY 16 at Shearwater (CYAW), at 2500 ft. The inter-unit arrangement requires that Moncton (CYQM) Area Control Center (ACC) coordinate any Instrument Flight Rules (IFR) flight that will enter the CYAW Control Zone (CZ). CYAW CZ is 5 nm / 3500 ft; this coordination did not occur. No impact on operations.

December 11, 2011


LYNX36. Sikorsky S61, enroute from Halifax (CYHZ) to Shearwater (CYAW), experienced a faulty ELT on frequency 243.0 at 16:18Z. The signal, stopped at 16:22Z. The helicopter landed at Shearwater at 16:27Z. There was no impact on operations.

December 6, 2011


An ELT signal was heard on frequency 243.0 at 17:07Z, strength five. The ELT was believed to be from a military aircraft, SHARK40, a Sikorsky S61 inbound to Halifax (CYHZ) from Halifax/Shearwater (CYAW). The signal ended at 17:15Z.

November 12, 2011

Incident at CYAW

The pilot of TALN33, Sikorsky S61, contacted the Halifax Flight Information Centre (FIC) to close a Bangor (KBGR) to Shearwater (CYAW) flight plan. The FIC had no flight plan on file. The aircraft conducted a trans-border flight with no flight plan.

September 26, 2011


From 20:59Z until 21:04Z an unidentified aircraft, on a 1200 code was showing at 1,400 feet ASL, transited the Halifax control zone without contacting the tower (Mandatory Frequency ? MF). The same flight had also transited the Halifax/Shearwater (CYAW) control zone without contacting that tower. At 21:15, C-GFRU contacted the Halifax Terminal in the vicinity of Debert (CCQ3) and was determined to be the above noted aircraft.

June 7, 2011

Incident at CYAW

TALN14, S61L, departed from Shearwater (CYAW) on a round robin flight and failed to contact the Halifax terminal controller. At 15 miles northwest of Shearwater at 21:15Z, the flight began squawking code 7600, descended to 1,600 ft. and turned back to Shearwater. The flight crew cancelled IFR with Shearwater on UHF radio. The flight landed safely at 21:29Z.

November 25, 2010

Incident at CYAW

CTG306, Bell 212, enroute from Quebec (CYQB) to Shearwater (CYAW), transited the Moncton (CYQM) control zone with 15 miles visibility and 500 ft. broken ceiling. There was no impact on operations.

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.

November 18, 2010

Incident at CYAW (ELT)

The Shearwater (CYAW) tower reported ELT testing from 13:43Z to 14:22Z. No signals were heard at Halifax (CYHZ). The appropriate agencies were notified.

November 7, 2010

Incident at CYAW

Fifteen miles west of Shearwater (CYAW), RSCU28, Sikorsky S61, declared an emergency, returning to Shearwater with an electrical problem. The flight landed safely at 00:44Z.

August 10, 2010

Incident at Sackville

MRLN17, Sikorsky S61, was returning to Shearwater (CYAW) when it experienced a hydraulic failure necessitating a forced landing near Sackville, NS. There were no injuries and no damage to the aircraft.

August 3, 2010

Incident at CYAW

MRLN30, S61, appeared to be experiencing navigation problems. The controller offered assistance and the pilot broke through the cloud, cancelled IFR, and returned to Shearwater (CYAW) to land. The aircraft landed safely at 22:03Z.

July 16, 2010

Incident at 30 Miles Northwest of Greenwood (CYZX) (ELT)

There were various reports of a strong ELT signal between Greenwood (CYZX) and Halifax (CYHZ). At 14:55Z, the Rescue Coordination Centre (RCC) advised that the source of the signal was an aircraft on the ground at Shearwater (CYAW).

June 21, 2010

Incident at CYAW

A British ship contacted the Halifax tower with information about a military aircraft involved in an ongoing exercise that was unable to land on the ship due to weather conditions. The tower was advised that the aircraft had a fuel problem and was declaring an emergency. Clearance was issued to Shearwater (CYAW). Coordination was undertaken due to the penetration of restricted airspace. It was subsequently determined that there was no fuel issue, no emergency and the aircraft landed in Shearwater without further incident.

April 14, 2010

Incident at CYAW

MRLN19, Sikorsky S61 helicopter, was climbing through 3,100 ft. and then began to descend without clearance. The pilot then cancelled IFR due to icing and returned to Shearwater (CYAW). No emergency was declared.

October 30, 2009

Incident at SABLE ISLAND NS (Heli) (CST5)

CTG355, Eurocopter B0105 S, enroute from Shearwater (CYAW) to Sable Island (CST5) and return arrived without an active flight plan. The helicopter penetrated the Air Defense Identification Zone (ADIZ) without an active flight plan. Nil TSB.

July 23, 2009

Incident at CYAW

CHI71, Sikorsky S92A enroute from Halifax (CYHZ) to an offshore oil platform, declared an emergency due to three engine-warning indications. The pilot initially diverted towards Halifax (CYHZ) but elected to divert and land at Shearwater (CYAW) due to weather. The aircraft landed safely at 18:02Z in Shearwater.
UPDATE Maintenance & Manufacturing: Cougar Helicopter C-GVCH was on a scheduled flight from the offshore support vessel Lorelay to Halifax, when both the #2 Engine Fire Warning lights illuminated and the aural warning sounded intermittently. The helicopter was in cloud, IFR at 4000? when the fire indication illuminated. The flight crew initiated QRH checklist procedures, the suspect engine was selected to idle, emergency declared with Moncton Control and the crew altered course to an area of VFR operations. The aircraft continued VFR flight and landed without incident at the Shearwater base. Upon investigation by maintenance, the fault could not be duplicated and no defects could be associated to the false warning. The #2 inboard Flame Detector was replaced and the aircraft was successfully function tested post maintenance. This aircraft has not had any re-occurrence of this problem since. As a note, Sikorsky has identified the current version of the Flame Detector as being unreliable and prone to false warnings. A modified Flame Detector is currently in development at Sikorsky and the modified detector is scheduled for production release in 4th quarter, 2009.
UPDATE TSB: A09A0064: The Cougar Helicopters Sikorski S-92, operating as CHI71, was VFR approximately 60 NM east of the Halifax Intl. when the crew declared an emergency due to an intermittent engine fire warning for the number two engine. The helicopter initially turned toward Halifax but diverted to Shearwater due to weather. It safely landed at 1502 UTC. Maintenance discovered a faulty fire detection sensor (P/N:92310-04802-104). The detector was replaced and the helicopter was returned to service.

October 4, 2008

Incident at en-route from C.F.B. Comox to C.F.B. Shearwater

The Government of Canada, Department of National Defence, Canadian Armed Forces Lockheed P-3 Orion aircraft (operating as PATH10) was on an IFR flight from C.F.B. Comox (CYQQ) to Halifax (Shearwater) Airport (CYAW). The aircraft was en-route when the flight crew reported an engine fire indication. The affected engine was shut down and the aircraft diverted to North Bay Airport (CYYB). All agencies were notified. The aircraft landed without incident at 2210Z.

April 30, 2008

Incident at CYAW (ELT)

An ELT signal was heard on frequency 243.0 from 16:18Z to 16:28Z. It was determined that the source was a Sea King helicopter on the ground.

March 27, 2008

Incident at SAMRO, 10 nm SSW CYAW (Shearwater NS)

The EH10 helicopter, operating under VFR, was reported to have landed at SAMBRO (Aprx 10nm SSW CYAW) due to `Chip Lgt Indicator`. No flight plan on file with Halifax FIC or Moncton ACC.

September 17, 2007


Moncton Area Control Centre (ACC) was controlling Greenwood Military Terminal Control Area MTCA airspace 4,000 ft. and above. Greenwood advised that TALN14 was on overshoot, requesting 5,000 ft. to Shearwater (CYAW). Moncton controller advised Greenwood MTCA to switch aircraft to Moncton Area Control Centre (ACC) for clearance to 5,000 ft. as there was traffic - CME502 was at 5,000ft., approximately 10 miles north. TALN14 subsequently checked in climbing out of 4,000ft. for 5,000 ft. The aircraft was radar identified leaving 4,500 ft. Nil TSB.

May 4, 2007

Incident at CYAW

MRLN 10, Sikorsky S61, operating southwest of Shearwater (CYAW), squawked 7700. Moncton ACC controller queried Shearwater tower who confirmed that the aircraft had declared an emergency and had shut down the number one engine. The aircraft landed safely at 01:59Z. The Rescue Coordination Centre (RCC) was advised. Nil TSB.

March 13, 2007

Incident at CYAW

Shortly after departure from Shearwater (CYAW) the pilot of MRLN26 (S61/AGUSTA) requested a return to Shearwater due to a possible rotor problem. The Helicopter Landed without incident 1304z. Nil TSB.