Operation Yellow Ribbon

Operation Yellow Ribbon
Gander International Airport in Newfoundland, Canada played host to 38 airliners, totalling 6,122 passengers and 473 crew, as part of Operation Yellow Ribbon.

Operation Yellow Ribbon was commenced by Transport Canada to handle the diversion of civilian airline flights in response to the September 11 attacks in 2001. Canada’s goal was to ensure that potentially destructive air traffic be removed from U.S. airspace as quickly as possible, and away from potential U.S. targets, and instead place these aircraft on the ground in Canada, mostly at military and civilian airports in the Canadian provinces of Nova Scotia, Newfoundland and Labrador and British Columbia (and also several in Manitoba, Ontario and Quebec) where their destructive potential could be better contained and neutralized. As none of the aircraft proved to be a threat, Canada and Canadians subsequently undertook to play host to the many people aboard the aircraft during the ensuing delay in reaching their destinations.

Canada commenced the operation after the U.S. Federal Aviation Administration (FAA) grounded all aircraft across the United States. The FAA then worked with Transport Canada to reroute incoming international flights to airports in Canada.[1]

During the operation, departing flights, with the exception of police, military, and humanitarian flights were cancelled, marking the first time that Canada shut down its airspace. As a result of Operation Yellow Ribbon, 255 aircraft were diverted to 17 different airports across the country.


Deployment of emergency measures

Immediately after the attacks on the World Trade Center, both Transport Canada and Nav Canada, the Canadian air navigation agency, activated their emergency measures.

Transport Canada

Transport Canada activated its Situation Centre (SitCen) in Ottawa at 09:21 ET (13:21 UTC). The SitCen is Transport Canada's emergency operations centre (EOC), originally constructed to deal with earthquakes along the West Coast and had been used several times prior to September 11, 2001, including during the ice storms in Ontario and Quebec and after Swissair Flight 111 crashed in Peggys Cove, Nova Scotia. As personnel staffed the SitCen, key organizations such as Nav Canada, the Department of National Defence, the Royal Canadian Mounted Police (RCMP), Canadian Security Intelligence Service (CSIS), Citizenship and Immigration Canada (CIC), and Canada Customs and Revenue Agency (CCRA) were also involved in SitCen operations.

One of the tasks of the SitCen was to maintain contact with other members of the Canadian aviation community, such as the Air Transport Association of Canada and local airport authorities. Their counterparts in the FAA (United States) and other international civil aviation authorities were also kept apprised.

Nav Canada

Nav Canada set up two command centres, the Strategic Command Centre (SCC) and the Tactical Command Centre (TCC).

The SCC, located at the head office in Ottawa and headed by Andy Vasarins, vice-president, operations, oversaw the entire crisis and ensured that information and resources were effectively shared amongst the TCC and other parties.

The TCC was originally a training institute in Cornwall, Ontario, and headed by Kathy Fox, assistant vice-president, air traffic services. Its role in the crisis was to disseminate information amongst airports and control towers. To facilitate this, general managers from across Canada were present. After the immediate crisis passed, the TCC was relocated to the head office and its operations were merged with the SCC.

The operation

The operation officially began at 09:45 ET (13:45 UTC), when the FAA closed down U.S. airspace as a result of the attacks.

Actions taken by Transport Canada

After learning that the FAA had closed down U.S. airspace, Transport Minister David Collenette gave orders that Canadian airports be open only for outgoing police, military, and humanitarian flights, and incoming U.S. bound international flights. This was the first time Canada had shut down its airspace.[2]

About 500 flights were en route to the United States at the time of the attacks. Transport Canada instructed NAV CANADA to give permission for flights that were at least halfway towards their destination to land at the nearest Canadian airport,[3][4] depending on their point of origin and remaining fuel.[5] Planes were entering Canadian airspace at a rate of one to two planes per minute.

During the operation, SitCen staff focused on two issues, first where to land the aircraft and how to screen, deplane, and clear tens of thousands of passengers through immigration and customs. CIC and CCRA brought in extra staff from other posts to clear the passengers.

The first airport to receive diverted flights was CFB Goose Bay, which received seven aircraft; fourteen other airports from coast to coast would also receive the diverted flights. As the operation progressed, SitCen staff maintained contact with the affected airports, Collenette, and his deputy, Margaret Bloodworth.

Atlantic flights

The operation was a challenge for airports in Atlantic Canada. Transport Canada asked NAV CANADA to instruct flights coming from Europe to avoid Macdonald-Cartier International Airport in Ottawa, Lester B. Pearson International Airport in Toronto and Dorval International Airport in Montreal as a security measure, since they are among the major—and therefore busiest—airports in Central Canada and Ottawa is the national capital. The majority of incoming flights from Europe were received by Atlantic airports, though some diverted flights did land at Dorval and Pearson.

Gander International Airport, which was the first North American airport on the trans-Atlantic route, took in 39 wide-body aircraft, mostly heading for U.S. destinations. The total number of passengers and crew accommodated at Gander was about 6,600. The total population of Gander is fewer than 10,000 people, so the effort in accommodating all of these unexpected guests was monumental. In an interview with CNN's Aaron Brown the following day, Prime Minister Jean Chrétien said that there were more people at the airport than in the town.

Halifax International Airport handled 40 flights in a similar manner.[6] St. John's International Airport, Greater Moncton International Airport, CFB Goose Bay and Stephenville Airport handled the remainder of the trans-Atlantic flights.

Pacific flights

Most flights coming from Asia to destinations on the United States west coast and points beyond had no other choice but to land at Vancouver International Airport, as it was the only major Canadian airport on the West Coast capable of handling the large airplanes used for trans-Pacific flights.[7] Thirty-four flights, carrying 8,500 passengers ended their journeys in Vancouver.[8]

Military involvement

There were also several incidents in which the military escorted jets into Canadian airspace. NORAD used Canadian and U.S air force fighters to intercept and escort civilian passenger flights to Whitehorse International Airport.[9]

One of the intercepted flights was a Korean Air Boeing 747 destined for Anchorage, Alaska, with continued service to JFK that was believed to have been hijacked. Concerns about the plane being crashed into Anchorage led several buildings in the city to be evacuated. Several buildings were also evacuated in Whitehorse as a precaution.[10] The flight ended up running low on fuel, and according to a public affairs official at the airport, there was also a communication problem with the air crew.[11] When it landed at the airport, witnesses reported that the RCMP ordered the crew out of the plane at gunpoint.[9] The entire incident was a misunderstanding caused by a malfunctioning transponder.

Global and The National Post reported that a similar incident occurred at Vancouver International Airport.[12][9] Two U.S. F-15s escorted an Air China 747 bound from Beijing to San Francisco onto the airport's north runway. Officials at the airport reported that it was purely a communication problem.[12][13][9]


Prior to landing, most pilots did not inform passengers of the situation or the attacks in order to avoid fear and panic. On some planes, even pilots were unaware of what had happened. Global TV quoted one pilot telling reporters: "When we were in the air, we really didn't know what was going on. All we heard was security measures and we were diverted. That was all we knew..."[12]

Only after landing did pilots tell passengers what had happened, sometimes addressing passengers directly in the cabin. On some planes, passengers videotaped the moment when the pilots broke the news. Some passengers talked about what the pilots said before landing. DeNeen Brown of The Washington Post quoted Daria Zalewska, whose flight from Frankfurt to Dallas was diverted to Pearson as having said that three hours before landing, the pilot announced that the plane was heading through turbulence. "Then he said we were experiencing strong head winds and we had to land in Canada to refuel. When we landed, he said, 'Okay, there's been a terrorist attack.'"[5]

Passengers had to wait for hours to disembark because Transport Canada was on high security alert. The RCMP deployed extra personnel to airports so that they could perform a security sweep of each aircraft, lined up on closed runways at most airports. They also increased their presence in the airport terminals.[12][14]

At some airports, stranded passengers watched television coverage while others talked to the airport chaplains, as at Pearson.[14][15] Airports had crisis support teams to help them. Some of the passengers were surprised and unhappy to be in Canada. The CBC quoted one woman at Calgary International Airport telling reporters: "We were going to San Francisco, but unfortunately, we've come to Calgary, instead." Others said that they were fortunate to be safe but still concerned that they would be stuck in Canada. Zalewska said: "We should be so thankful we didn't perish. I'm so happy to be here alive because none of the people who died today had any warning."[5]

The CBC also reported that the operation got thanks from Washington. U.S. Transportation Secretary Norman Mineta said at a White House news briefing that "we owe our Canadian neighbours a debt of gratitude for helping us as we redirected...flights and their passengers to airports in Canada."[14][15]

On the tenth anniversary of 9/11, President Barack Obama recalled Canada's help on that day, and expressed his gratitude for Canada's friendship and solidarity.[16]



The actual number of diverted aircraft and passengers varies from each source. Transport Canada said over 33,000 passengers on 224 flights arrived in Canada, whereas Nav Canada said 239 flights. According to Chrétien, the number of flights was anywhere between 225 and 250 and the number of passengers between 30,000 and 45,000.

Data according to Nav Canada[13]
Airport Airport Code # of Planes
Halifax International Airport YHZ 47
Gander International Airport YQX 38
Vancouver International Airport YVR 34
St. John's International Airport YYT 21
Winnipeg International Airport YWG 15
Toronto Pearson International Airport YYZ 14
Calgary International Airport YYC 13
Greater Moncton International Airport YQM 10
Montreal-Mirabel International Airport YMX 10
Stephenville International Airport YJT 8
Canadian Forces Base Goose Bay YYR 7
Montréal-Dorval International Airport YUL 7
Edmonton International Airport YEG 6
John C. Munro Hamilton International Airport YHM 4
Erik Nielsen Whitehorse International Airport YXY 3
Deer Lake Airport YDF 1
Yellowknife Airport YZF 1
Total 239

Halifax International Airport received the highest number of flights while Vancouver International Airport received the highest number of passengers.[6]

Transport Canada and airports involved in the operation also reported a dramatic increase in traffic at their websites for updated and current information concerning news releases, FAQs, and diverted flight information. Transport Canada reported that on September 12, 2001, the day after the attacks, there were more than 47,000 visits to their web site alone. Halifax International Airport reported that just in the month of September, there were 2.1 million visits to their web site, and in October, half a million. Both numbers are far above the average 40,000 to 50,000 visits a month.[6]

Consequences for Canada

Lufthansa christened an Airbus A340, registered D-AIFC, Gander/Halifax to honor the two cities that received its stranded flights during Operation Yellow Ribbon.[17]

Operation Yellow Ribbon had many consequences for Canadians. After the initial task of diverting the flights was over, thousands of stranded passengers and flight crews had to be housed and fed until the crisis was over. During the diversion of flights, some airports, including Vancouver International, were inundated with hundreds of telephone calls from members of the public and the corporate community offering their support. In Ottawa, SitCen staff were also inundated with calls from airports, air carriers, the media, and the general public. On average, SitCen staff received an estimated 5,000 calls a day.

When asked in a CNN interview if he was able to get food to the passengers, the prime minister said that he was able to, and that "many of them have been accommodated in hotels and schools and gymnasiums and so on. And the Canadian authorities and provincial authorities are working... (to make their visitors) in those places as comfortable as possible."

Public efforts to help those affected by Operation Yellow Ribbon led to positive remarks on the subject by people such as Chrétien and his wife, Aline; the United States ambassador to Canada, Paul Cellucci; Collenette; Governor General Adrienne Clarkson and her husband, John Ralston Saul; and in the provinces, premiers, and lieutenant governors. Airports involved in the effort received messages of thanks from passengers, airlines, residents who took in the passengers, and staff at U.S. immigration and U.S. customs. Edmonton International Airport also received a child passenger's drawing of the diverted flights on the ground there, published on page 12 of their 2001 annual report.[18] Some airports also published messages of thanks on their web sites and/or annual reports, like Halifax and Edmonton.[18][19] Many stories of the hospitality given to stranded passengers have come out as a result of the operation.

Some airports were cited for how they handled the crisis. The British Columbia Aviation Council presented its 2001 Airport Management Award to Vancouver International Airport, citing its professional and compassionate handling of the situation, while the Canadian Public Relations Society (Nova Scotia) presented Halifax International an Amethyst Award in the Crisis Communications category to honour the authority's crisis communication response to the situation.

On September 11, 2002, about 2,500 people gathered at Gander International Airport for Canada's memorial service to mark the first anniversary of the attacks, over which Chrétien, Collennette, and Cellucci and other provincial and local officials presided.[20] Chrétien addressed them: "9/11 will live long in memory as a day of terror and grief. But thanks to the countless acts of kindness and compassion done for those stranded visitors here in Gander and right across Canada it will live forever in memory as a day of comfort and of healing"[21] and closed his speech by commending Operation Yellow Ribbon, "You did yourselves proud, ladies and gentlemen, and you did Canada proud."[20]


  1. ^ Chase, Steven (September 12, 2001). "Canada rolls down security shutters". The Globe and Mail: p. A7. 
  2. ^ "Flight cancellations a Canadian first". The Vancouver Sun: p. A18. September 12, 2001. 
  3. ^ Gorham, Andrew; McArthur, Douglas (September 12, 2001). "All flights from Canada halted". The Globe and Mail: p. A14. 
  4. ^ Baillie, Andrea (September 12, 2001). "Cdn airports, offices close; hospitals prepare for wounded from U.S. attacks". Canadian Press. 
  5. ^ a b c Brown, DeNeen (September 12, 2001). "International Flights Diverted to Canada". The Washington Post: p. E6. 
  6. ^ a b c "Airport Acknowledges Tenth Anniversary of September 11th". Halifax/Stanfield International Airport Newsroom. September 9, 2011. http://www.hiaa.ca/default.asp?id=190&pagesize=1&sfield=content.id&search=1285&mn= Retrieved September 10, 2011. 
  7. ^ Reuters (September 12, 2001). "Scores of U.S.-Bound Planes Are Diverted to Canadian Airports". The New York Times: p. A22. 
  8. ^ Bailey, Ian; Dube, Francine (September 12, 2001). "Canadians offer homes to stranded: 400 international jets diverted across country". The National Post: p. A7. 
  9. ^ a b c d Higgins, Michael; Smyth, Julie (September 12, 2001). "Military escorts jets to airports in Whitehorse, Vancouver after hijacking fears". The National Post: p. A9. 
  10. ^ Tobin, Chuck (September 12, 2001). "Norad suspected plane was hijacked". The Whitehorse Star: p. 2. 
  11. ^ "Korean passenger jet diverted to Whitehorse treated as hijacking: RCMP". Canadian Press. September 11, 2001. 
  12. ^ a b c d Global National (television). Global TV. 2001-09-11. 
  13. ^ a b "NAV CANADA and the 9/11 Crisis". NAV CANADA. 2009. http://www.navcanada.ca/NavCanada.asp?Language=en&Content=ContentDefinitionFiles\Newsroom\Backgrounders\911crisis.xml. Retrieved 2009-03-19. 
  14. ^ a b c The National (television). CBC. 2001-09-11. 
  15. ^ a b "September 11, 2001". CBC Archives. September 11, 2001. http://archives.cbc.ca/war_conflict/terrorism/clips/1616. Retrieved 2009-07-26. [dead link]
  16. ^ 9 September 2011: President Obama's Letter to Canada on the 10th Anniversary of 9/11
  17. ^ "Canadian Facts". Lufthansa. http://www.lufthansa.com/online/portal/lh/ca/nonav/local?nodeid=2005408&l=en&cid=1000204. Retrieved 2010-02-08. 
  18. ^ a b "Edmonton Airports Annual Report 2001". Flyeia.com. Edmonton Airports Authority. http://corporate.flyeia.com/media/7775/49.pdf. 
  19. ^ "September 11, 2001 Chronology of Events". Halifax International Airport Authority. hiaa.ca. http://www.hiaa.ca/default.asp?id=190&pagesize=1&sfield=content.id&search=233&mn=70.1.77. Retrieved September 22, 2011. 
  20. ^ a b MacCharles, Tonda (September 12, 2002). "'Plane people' recall kindness of strangers; Gander opened heart to stranded passengers". Toronto Star: p. A1. 
  21. ^ Martin, Don (September 12, 2002). "A salute to Good Samaritans". The Ottawa Citizen: p. A4. 


  • Attack on the USA (television). CBC News. 2001-09-11. 
  • Global National: America Under Attack (television). Global TV. 2001-09-11. 


  • Higgins, Michael; Smyth, Julie (September 12, 2001). "Military Escorts Jets to Airports After Hijacking Fears". The National Post. 

External links

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