January 28, 2020


A Boeing 787-9 operated by Air Canada (C-FNOE/ACA833), from Brussels (EBBR), Belgium, to Montréal/Pierre-Elliott-Trudeau Int. (CYUL), QC, was instructed to pull up on runway 06R because of a Beech 400A US-owned and -registered (N257AF), from Portsmouth (KPSM), NH, to Montréal/Pierre-Elliott-Trudeau Int. (CYUl), QC, which had just landed and was unable to exit onto the taxiway. The aircraft landed at 1642Z. No impact on operations.

May 12, 2020

Incident at In the vicinity of: GANDER CENTRE / ACC DE GANDER

At 1958Z, a United States Armed Forces Lockheed C-130 (Hercules) (RCH861) from Portsmouth, NH (KPSM) to Lajes Air Base, Portugal (LPLA) requested to turn back and return to point of departure, KPSM, due to a mechanical issue. Flight was provided clearance as requested. At 2030Z, the pilot declared an emergency and advised that they were shutting down an engine. No assistance was required and the flight continued to destination and left the Gander (QX) airspace at 2130Z. No impact to operations.

September 16, 2019

Incident at LONDON FIC / FIC DE LONDON (Communication navigation surveillance/air traffic system)

Due to incorrect processing the proposed transborder VFR flight plan for a privately registered Cessna A185F on a flight from Portsmouth, NH (KPSM) to Kitchener/Waterloo, ON (CYKF) never ended up in the London, ON (CYXU) flight information centres (FIC) active flight planning window and consequently the flight did not have alerting.

July 21, 2019

Incident at 4648N / 06158W (ELT)

An Atlas Air Boeing 767-300 (GTI8565) from Frankfurt-Hahn, Germany (EDFH) to Portsmouth/Pease, NH (KPSM), at FL320, reported an emergency locator transmitter (ELT) signal at position 4648N/06158W. Signal was strong but only lasted for approximately 2 minutes, then stopped. The Joint Rescue Coordination Centre (JRCC) Halifax was notified. No impact to operations.

June 9, 2019

Incident at 5800N / 04944W

An Atlas Air Boeing 767 300 (N645GT/GTI8473) from Frankfurt, Germany (EDFH) to Portsmouth Intl, NH (KPSM) declared an emergency due to the smell of smoke in the cockpit, and diverted to Goose Bay, NL (CYYR), and landed safely at 0829Z. No traffic. No impact on operations.
Update TSB #A19A0038: N645GT, a Boeing 767-324 aircraft operated by Atlas Air Inc. was conducting flight GTI8473 from Frankfurt-Hahn (EDFH), Germany to Portsmouth/Pease Intl (KPSM), NH. 450 nm north east of Goose Bay (CYYR), NL at position N58.0 W049.44, the flight crew smelled smoke in the cockpit, and requested a diversion to CYYR. After declaring an emergency, the aircraft landed without further incident. Upon investigation, it was discovered that the fault was the forward equipment cooling and exhaust fan.
UPDATE Aviation Incident Report #16156: Aircraft reported smoke in the cockpit.

June 4, 2019

Incident at 5400N / 04000W

The 40W position report included an incorrect forward position report at 20W. The aircraft, an American, corporately registered Gulfstream G-IV (N7176S) from Portsmouth, NH (KPSM) to Vienna, Austria (LOWW), was queried and confirmed incorrect coordinate. Flight was re-cleared on its cleared oceanic routing. Audio reviewed.

January 25, 2019

Incident at 4753N / 04542W

At 0426Z, a United States Air Force Boeing KC-135R (BLUE97) from Sioux Gateway, IA (KSUX) to Naval Station Rota, Spain (LERT) requested to divert to Portsmouth Intl, NH (KPSM) due to a minor maintenance issue. BLUE97 was cleared direct 48N050W NICSO.

January 8, 2018


On its way to Geilenkirchen, Germany (ETNG), a United States Air Force Boeing KC-135R (RCH216) from Phoenix, AZ (KPHX) to Geilenkirchen, Germany (ETNG) requested to be diverted to Portsmouth, NH (KPSM) due to technical problems. No emergency. Arrangements were made.

September 30, 2018

Incident at TOPPS intersection

At the TOPPS intersection, a United States Air Force Boeing C-17 Globemaster III (RCH645) from Portsmouth International, NH (KPSM) to Ramstein Air Base, Germany (ETAR) turned right direct YSJ instead of direct HITOR, as indicated in the cleared route. The pilot was queried and stated that their route contained YSJ. The aircraft was subsequently re-cleared to HITOR. No operational impact.

July 9, 2018

Incident at OMEXI intersection

A Lockheed C-130 (Hercules) (KING04) from Niagara Falls, NY (KIAG) to Portsmouth, NH (KPSM) advised air traffic controller (ATC) that they were shutting down an engine for preventive purposes. At 2205Z, the aircraft declared an emergency and changed its destination to KPSM. Coordination with Boston (KZBW) was made. No operational impact.

October 28, 2018


An American corporately registered Boeing 737 7HJ (N737AT) from Portsmouth Int'l Airport, NH (KPSM) to Zurich Airport, Switzerland (LSZH) requested, and received, climb from FL370 to FL390. The aircraft was then observed descending from FL387 without clearance. No loss of separation.

July 11, 2018

Incident at 4928N / 04757W

A Lockheed C-130 (Hercules) (KING04) from Portsmouth, NH (KPSM) to Shannon, Ireland (EINN) reported an oil pressure fluctuation. The aircraft declared a mechanical emergency and requested to turn back to St. John's, NL (CYYT). The aircraft descended to FL180 as a precaution and landed safely at CYYT at 0147Z.

June 1, 2018

Incident at 4434N / 03736W

A Lockheed P-3 (Aurora/Orion) (160586/VVYB586) from Portsmouth, NH (KPSM) to Rota, Spain (LERT) reported smoke in the cockpit and declared an emergency. The flight requested and was cleared to St. John's, NL (CYYT). At 2225Z, the flight requested to change its destination to Halifax/Stanfield Int'l, NS (CYHZ) and then shortly after to KPSM, estimated time of arrival (ETA) 0130Z. The flight was cleared as requested and exited Gander Area Control Centre (CZQX) airspace at 2335Z.

June 19, 2018

Incident at ST. JOHN'S INTL NL (CYYT)

An Air Canada Embraer ERJ 190-100 IGW (C-FLWE/ACA686) from Toronto/Lester B. Pearson Int'l, ON (CYYZ) to St. John's Int'l, NL (CYYT) was on approach of Runway 29 with a Jazz Bombardier DHC-8-402 (JZA8958) from St. John's Int'l,NL (CYYT) to Halifax/Stanfield Int'l, NS (CYHZ) waiting on the threshold of Runway 29 for departure due to a Air Mobility Command Lockheed C-130 (Hercules) (71468T) from Portsmouth Int'l Airport , NH (KPSM) to St. John's Int'l, NL (CYYT) exiting the runway. Tower cleared JZA9958 for takeoff, then cleared ACA686 to land. ACA686 went into a missed approach due wind shear. ACA686 did not acknowledge the control tower's traffic update that JZA9958 had departed. When the ACA686 came back on frequency, traffic was passed. ACA686 came around for another approach and landed without incident.

January 2, 2018

Incident at 6300N / 03000W

Reykjavik advised that an American corporately registered Dassault Falcon 50 (N827CT) on a flight from Reykjavík, Iceland (BIRK) to Portsmouth, NH (KPSM) (ADSB) altitude readout differed from the aircraft's reported altitude. When the flight entered Gander automatic dependent surveillance ? broadcast (ADSB) coverage, the aircraft showed FL286, and reported at FL310. On entered Gander North Warning System (NWS) radar coverage, mode C showed FL310 as reported.

January 1, 2018

Incident at 5850N / 04100W

At 1737Z, a United States Air Force Boeing CC-177 (RCH150) on a flight from Ramstein Air Base, Germany (ETAR) to Portsmouth, NH (KPSM) shut down an engine due to low oil pressure and requested a lower flight level. No traffic. At 1746Z, the aircraft declared an emergency and requested a diversion to Goose Bay, NL (CYYR) and then changed to Bangor, ME (KBGR).

December 15, 2017


An American corporately registered Piper PA-31-300 (N911SD) from Montreal, QC (CYUL) to Portsmouth, NH (KPSM) entered the runway protected area (RPA) zone on Runway 24L at Taxiway ROMEO. A Government of Canada Department of National Defence Beech B350 (CFC1648) from Trenton, ON (CYTR) to Montreal, QC (CYUL) had to pull up on Runway 24L. CFC1648 landed at 0024Z.

November 22, 2017

Incident at 4526N / 07330W

Although a US-owned and operated Piper PA-31-300 (N911SD) flying from Montreal/St-Hubert (CYHU), QC, to Portsmouth (KPSM), NH, received and re-read the ST-HUBERT FIVE DEP Standard Instrument Departure (SID), the aircraft was observed to be at 3,500 ft., while the SID procedure calls for a climb to 3,000 ft. No operational impact.

August 16, 2017


A United States Air Force Lockheed C-5 (RCH544) on a flight from Portsmouth, NH (KPSM) to Dover Air Force Base, DE (KDOV) reported failure of the weather radar and requested a diversion. No emergency declared and no assistance required.

September 4, 2017


UPDATE: TSB Report#A17A0059: C-FZJA, a Bombardier CL-600-2B19 (CRJ-200) aircraft operated by Jazz Aviation LP, was conducting flight JZA903 from Greater Moncton Intl, NB (CYQM) to Montreal/Pierre Elliott Trudeau Intl, QC (CYUL). About 125 nm west of CYQM, C-FZJA climbed through their cleared level of FL320. A loss of separation occurred with a military aircraft at FL330 and 1 mile west of C-FZJA. The military aircraft was instructed to alter its heading 20 degrees due to the traffic conflict. C-FZJA was at FL328 when queried by ATS, and confirmed that they were cleared to FL320, and descended to FL320.
A Jazz Bombardier CL-600-2B19 (CRJ-200) (C-FZJA/ CJZA903) from Greater Moncton Intl, NB (CYQM) to Montreal, QC (CYUL) climbed above the cleared level of FL320. JZA8903 was below a United States Navy Boeing 737-800 (PELCN03) from Portsmouth, NH (KPSM) to Reykjavik, Iceland (BIKF), and was 1 mile west when JZA8903 continued to climb to FL328. PELCN03 was at FL330 at the time of the altitude breach. PELCN03 was instructed to turn left 20 degrees for traffic. JZA8903 had already been handed off to KZBW at FL312 climbing to FL320. When JZA8903 deviated from their cleared altitude the KZBW controller queried the JZA8903 who confirmed they had only been cleared to FL320 and were now descending to FL320.

August 8, 2017


Due to technical reasons, a United States Air Force Boeing KC-135R (BLUE43) on a local flight from Portsmouth, NH (KPSM) had to return to base and required a fuel dump. The fuel dump began at 1233Z at FL220. Fuel dump ended at 1240Z. No impact on operations.

July 9, 2017


40NM NW of Sydney/J.A. Douglas McCurdy, NS (CYQY), a United States Air Force Lockheed C-130 (RCH529) enroute from Sydney/J.A. Douglas McCurdy, NS (CYQY) to Portsmouth, NH (KPSM) declared an emergency and shut down engine #3 due to prop out of limits. The aircraft continued to its destination.

August 5, 2016

Incident at 100NM E SEPT-ÎLES QC (CYZV)

While enroute, an American company-owned Pilatus PC-12/47E (N991DK), flying from Goose Bay (CYYR), NL, to Portsmouth (KPSM), NH, was observed to the north of its route. N991DK was flying direct QUBIS while the route known by air traffic control (ATC) was direct PQI. No operational impact.

October 9, 2016


An American privately registered Cessna 172RG from St. Catharine's, ON (CYSN) to Portsmouth, NH (KPSM) attempted to contact the YSN flight service station (FSS). The FSS responded to the call but was unable to establish communication with the aircraft. Two more attempts were made by FSS to contact the aircraft but no response was heard. The aircraft started taxiing on Taxiway A without communication. Runway 01 was active with a P28A in the left hand circuit and a B06 helicopter was on final for the ramp. The Cessna 177RG taxied to Runway 06 and departed at 1459Z. Air traffic control (ATC) was advised. Operational impact: the P28A had to extend his left downwind until the Cessna177RG departed on Runway06.

July 11, 2016


An American privately registered Pilatus PC-12/47E from Portsmouth, NH (KPSM) to Port Hawkesbury, NS (CYPD) arrived at approximately 1411Z without an active trans border flight plan.

March 10, 2016


A United States Air Force Lockheed C-130 (RCH252) from St. John's, NL (CYYT) to Portsmouth, NH (KPSM) declared an emergency. One engine was shut down. The aircraft is continuing onto destination. No impact on operations. Joint Rescue Coordination Centre (JRCC) Halifax advised.

October 16, 2015


An American, corporately registered Piper PA-46-500TP (N220UM), from Montréal (CYUL), QC, to Burlington (KBTV), VT, was instructed by the tower to turn left on a heading of 205° and to call the departure controller when it reached the heading. N220UM did not follow the instruction and called the departure controller on a heading of 250. An American, corporately registered Piper PA-31-300 (N911SD), from Montréal (CYUL), QC, to Portsmouth (KPSM), NH, in position on the runway, was delayed on departure. No loss of separation.

September 4, 2015

Incident at 41 SSE SHERBROOKE QC VORTAC (YSC) (Communication navigation surveillance/air traffic system)

While inbound for Montréal (CYUL), QC, an Execaire Bombardier CL-600-2B16 (C-FBCR), from Portsmouth (KPSM), NH, to Québec (CYQB), QC, was authorized at 13 000 ft but an American, corporately registered Gulfstream Aerospace Gulfstream IV (N181CR), from Shannon (EINN), Ireland, to Montréal (CYUL), QC, took the authorization without the error being detected. No impact.

August 4, 2015

Incident at Dans les environs de: MONTRÉAL INTL QC (CYUL)

A United States Air Force Boeing KC-135R (BLUE41) from Gander, NL (CYQX) to McConnell Air Force Base, KS (KIAB) was changed to Montreal Area Control Centre (ACC) from Boston air route traffic control center (BOS ARTCC) having previously declared an emergency due to #4 engine out however flight was continuing to destination as planned KIAB. Once abeam Montreal, QC (CYUL) crew decided to divert to Pease Air Force Base, NH (KPSM). No impact on operations.

April 13, 2015


An American, corporately registered Piper PA-31-300 (N911SD), from Portsmouth (KPSM), NH, to Montréal (CYUL), QC, had to come to a stop at the corner of Taxiways A2 and A because of a blown tire. N911SD was towed at 2020Z. No impact on operations.

April 14, 2015

Incident at In the vicinity of: 46N 050W

At 1706Z, a United States Navy Lockheed C-130 (CNV3621) from Rota, Spain (LERT) to Portsmouth, NH (KPSM) declared an emergency due to a propeller problem with the right inboard propeller. The flight requested to divert to Halifax, NS (CYHZ) and was cleared as requested. No traffic affected.

April 1, 2015

Incident at In the vicinity of: 42N 60W

Moncton area control center (ACC) advised by New York Oceanic Control that a United States Air Force Boeing KC-135R (GOLD32) on a local flight from Portsmouth, NH (KPSM), had an unspecified problem and was returning to KPSM. No assistance required. Aircraft EXCAN at 1232Z.

October 12, 2014

Incident at N54 W030

A United States Air Force McDonnell Douglas F-18 (MAZDA75) from Royal Air Force Lakenheath (EGUL) to Portsmouth, NH (KPSM) declared an emergency with an engine issue at 1407Z shortly after entering Gander Oceanic Control Area (OCA) by 54N 30W. The aircraft diverted to Keflavik (BIKF) along with other aircraft in the formation. The altitude reservation (ALTRV) descended from FL240B260 to FL150B170 and exited Gander OCA at 1450Z enroute BIKF.

July 25, 2014

Incident at SAINT JOHN NB (CYSJ)

An American corporately registered Diamond DA 40 (N902DS), from Portsmouth, NH (KPSM) to Saint John, NB (CYSJ), did a transborder Visual Flight Rules (VFR) flight arriving in CYSJ without an active flight plan. Lockheed Martin (Washington Hub) advised they had not filed a flight plan for N902DS today.

February 12, 2013

Incident at MONTRÉAL / PIERRE ELLIOTT TRUDEAU INTL QC (CYUL) (Aerodrome, runway or taxiway shutdown)

A privately owned, American Piper PA-31 was on an IFR flight from Portsmouth (KPSM) to Montréal/Trudeau (CYUL). At 2019Z, the aircraft blew a tire upon landing on Runway 24L. This runway was thus closed for inspection and reopened at 2043Z. No impact on ATC operations.

January 25, 2013

Incident at CARAC Intersection (ATS operating irregularity)

CAFE81, KC-135R, was enroute from Lajes Air Base (LPLA) to Portsmouth (KPSM). An estimate was received from New York Oceanic for CARAC Intersection at 16:21Z flying at a speed M.48. The aircraft reported at CARAC at 16:09Z with a speed of M.77. No other aircraft were affected and there was no impact on operations.

February 24, 2012


The pilot of a privately owned Mooney 20 that was on an IFR flight from Québec/Jean-Lesage (CYQB) to Portsmouth (KPSM) did not follow the QUEBEC 3 standard instrument departure (SID) procedure that he had received and read back. The aircraft made a left turn at 1 800 ft, though the procedure stipulates a climb on the runway heading to 3 000 ft. The pilot also reported, while climbing to 4 000 ft, that he was turning to a point on the route called PESVI, which the controller did not have in the navigation system. No impact on ATC operations.

July 30, 2012

Incident at KITCHENER / WATERLOO ON (CYKF) (Communication navigation surveillance/air traffic system, ATM - other)

The privately owned and operated Vans RV10 aircraft was on a trans-border VFR flight from Portsmouth (US) (KPSM) to Kitchener (CYKF). After arriving at Kitchener, the pilot attempted to close the flight plan but there was no information on file. The pilot claimed to have filed a plan but it is not known if it was activated.
UPDATE Supplemental information received from the pilot [2012/08/09]: A Civil Aviation Safety Inspector (CASI) received an e-mail from the pilot in which he stated that he had filed a flight plan with Lockheed Martin staff with an assumed departure time, minutes before the aircraft actually departed on the flight from Pease (Portsmouth International) Airport, NH (U.S.A.) (KPSM) to Kitchener/Waterloo Regional Airport (CYKF). Upon landing, the pilot closed the flight plan by telephone. The flight does appear in Flight Aware. The pilot's understanding is that only flights with flight plans appear in Flight Aware.

March 13, 2012

Incident at WINDSOR ON (CYQG)

The privately-operated Hrycay Consulting Engineers Inc. Cessna 421C aircraft (C-GYDM) was departing on an IFR flight from Windsor International Airport (CYQG) to Portsmouth International Airport at Pease, NH (U.S.A.) (KPSM). NAV CANADA staff at Windsor Tower reported that the flight crew aborted the take-off due to an open cargo door. The door was closed and the aircraft subsequently departed without further incident. Ops. impact -- none.

December 13, 2012

Incident at SAINT JOHN NB (CYSJ)

CGJEI a CL300 enroute from Saint John (CYSJ) to Portsmouth Intl (KPSM ). The aircraft departed CYSJ at 1955Z and at approximately 30nm south west of CYSJ out of 17000 ft the crew advised that they had a minor problem and had to return to CYSJ. No assistance required. The aircraft landed at 2005 Z without incident . Nil TSB.

April 5, 2011

Incident at VOR de St-Jean (YJN)

The pilot of C-FLTL, a Beech 90 operated by Aviation Starlink that was on an IFR flight from Montréal/Trudeau (CYUL) to Portsmouth/Pease (KPSM), flew a different route (CYUL YJN COVAN) than the one authorized and that he had readback (CYUL YJN YJN172020 COVAN). No impact on ATC operations.
Update #1: According to information from the Business and Commercial Aviation Division: The crew was met with. Moreover, a memo was created informing crews of the procedure to follow in the event of a new route.

September 28, 2011

Incident at Moncton Flight Information Region (FIR)

RCH805, Boeing KC-135, enroute from Milwaukee (KMKE) to RAF Mildenhall (EGUN), declared an emergency with the number-one engine shut down. The flight requested clearance to divert to Portsmouth (KPSM). The flight crew requested, and was cleared to, 29,000 ft. Boston was advised.

July 2, 2011

Incident at 4350/6243

RCH406, Boeing KC-135R, enroute from Portsmouth (KPSM) to Sevilla/Moron de la Frontera (LEMO), reported the loss of a navigational system. The flight crew requested, and was given, clearance to return to Portsmouth. No assistance was required.

August 2, 2010

Incident at 20NM northwest of Killaloe/Bonnechere (CYXI)

The American, Pacific Marine Leasing Inc. Cirrus SR22 aircraft (N991PM) was on an IFR flight from Mackinac Island Airport, MI, USA (KMCD) to Portsmouth International Airport at Pease, NH, USA (KPSM). When the aircraft was 20NM northwest of Killaloe/Bonnechere Airport (CYXI), the flight crew advised that they were experiencing an electrical problem and asked to be redirected to Ottawa (M-CIA) (CYOW), where the aircraft landed without incident at 0054Z. There was no emergency or priority declared. Ops. impact - unknown. _____________ N991PM indique avoir un problème de nature électrique et demande d'être acheminé à CYOW où il se pose sans encombre à 0054Z. Aucune urgence déclarée ni priorité demandée.

November 5, 2010

Incident at 30 Miles South of Charlo (CYCL)

MOM8651, Boeing 757, enroute from Brize Norton Air Base (EGVN) to Portsmouth (KPSM), reported intermittent severe (CAT) turbulence.

August 30, 2010

Incident at SAINT JOHN NB (CYSJ)

At 1930Z, Halifax FIC received an ARR message from Saint John FSS. Halifax FIC had no information for a DA40 enroute Portsmouth (KPSM) to Saint John (CYSJ). This flight arrived in Canada without an active flight plan. Nil TSB

July 23, 2010


N667RB, Pilatus PC-12, enroute from Portsmouth (KPSM) to Charlottetown (CYYG), had initial contact (mandatory frequency) with the Charlottetown Flight Service Station (FSS) four nautical miles southwest of Charlottetown at 2,100 feet above sea level (ASL). There was no impact on operations.

July 14, 2010

Incident at 75 Miles South of Yarmouth (CYQI)

BLUE72, C135, enroute to Portsmouth (KPSM), started a fuel dump at 15:55Z. The aircraft exited Canadian airspace at 16:04Z. Nil TSB.

June 26, 2010


An American registered Cessna 210B, arrived in Charlottetown (CYYG) from Portsmouth (KPSM) without an active flight plan. The pilot did not file or activate a flight plan prior to crossing the border. The flight flew trans-border without an active flight plan.

September 26, 2009

Incident at MONTRÉAL / ST-HUBERT QC (CYHU) (ATS operating irregularity)

Un Cirrus SR-22, a effectué un vol selon les règles de vol à vue (VFR) depuis Portsmouth, US (KPSM) à destination de St-Hubert (CYHU), sans plan de vol. Le pilote a confirmé qu'il avait déposé et ouvert le plan de vol lors du départ de Portsmouth.*** ** *** A Cirrus SR-22 conducted a visual flight rules (VFR) flight from Portsmouth, US (KPSM) to St-Hubert (CYHU) without a flight plan. The pilot confirmed that he filed his flight plan and opened it during departure from Portsmouth.