Electronic jamming and missiles are two of the risks identified by US regulators.

Major airlines cancelled flights from Bogotá to Caracas this week after US regulators warned of “heightened military activity” around Venezuela.

Avianca and LATAM suspended flights through Venezuelan airspace, along with at least five other airlines, as a response to a Federal Aviation Authority NOTAM (Notice to Airmen) that reported “Global Navigation Satellite System (GNSS) interference” around Maiquetía “Simón Bolívar” International Airport, which serves nearby Caracas.

The warnings were linked to military exercises under way in Venezuela, a response to threats from US forces massing in the Caribbean and aerial attacks on suspect drug boats, some originating from Venezuelan waters.

Colombia’s own airline regulator, Aeronáutica Civil de Colombia, repeated the FAA’s warning but said that air operators in Colombia could take “autonomous decisions” over flights to Venezuela.

On Monday several airlines were continuing direct flights from Bogotá, such as Wingo, Avior (a Venezuelan airline) and Satena (a commercial airline linked to the Colombian Ministry of Defense). Copa offered connections via Panama.

Mobile missiles

The list of airlines suspending flights continued to grow on Monday night with TAP, Turkish Airlines, Iberia and GOL being joined by Air Europa and Plus Ultra.

This came despite pushback from Venezuela’s Instituto Nacional de Aeronáutica Civil (INAC) which threatened to punish airlines for following the FAA’s recommendations.  According to a report in Aviation Online, airlines avoiding Caracas could in the long term lose access to the country’s airspace.

INAC also issued an ultimatum for airlines suspending flights “to resume services within a 48-hour period” or risk losing their landing permits.

Meanwhile the US FAA issued a more detailed FAA backgrounder clarifying that Venezuela had “at no point expressed an intent to target civil aviation”.

It did, however, seem concerned that the current context could trigger an air accident.

Venezuela, it said, had mobilized “thousands of military and reserve forces” with access to shoulder-mounted anti-aircraft missiles, or MANPADs (man-portable air defense systems), capable of downing low-altitude aircraft.

This followed comments by Maduro last month that his military were in possession of Russian-made Igla-S missiles “with no fewer than 5,000 of them in key anti-aircraft defense positions to guarantee peace, stability, and tranquility”.

Jammers and spoofers

The more immediate risk was to electronic systems, said the FAA documents, with several civil aircraft recently reporting interference while transiting Venezuela, in some cases causing “lingering effects throughout the night”.

“GNSS jammers and spoofers can affect aircraft out to 250 nautical miles [450 kilometres] and can impact a wide variety of critical communication, navigation, surveillance, and safety equipment on aircraft.”

The FAA said it would “continue to monitor the risk environment for US civil aviation operating in the region and make adjustments, as appropriate, to safeguard U.S. civil aviation”.

In fact, the US airlines stopped all direct commercial and cargo flights into Venezuela as part of an order issued in 2019, related to sanctions against the Maduro regime, widely seen as illegitimate, with the US State Department offering a bounty of US$50 million “for information leading to the arrest and / or conviction” .

Open to talks

Commentators on US – Venezuelan relations this week said that FAA announcement was not necessarily a sign of imminent US military action. Former Associated Press analyst Dan Perry told News Nation that the FAA warning was “a message that they [the FAA] expected the country to become unstable”, but did not point to a ground invasion.

For most observers, the NOTAM was a continuation of the maximum pressure strategy pursued by Washington against the Maduro regime, including a recent decision to declare the Cártel de los Soles — a disconnected group of corrupt military officers who facilitate drug shipments — as a Foreign Terrorist Organization.

Last week Maduro said he was open to talks with Washington, according to AP News, though US President Trump underscored that military action was “still on the table”.

In recent months the US has sent eight navy ships, a submarine, an aircraft carrier and 10,000 service members to the Caribbean. And since August, US firepower has killed at least 83 people in aerial attacks on speedboats suspected of running drugs; for anyone arriving in Venezuela, air is still safer than sea.

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Colombia’s flagship carrier, Avianca, announced Friday it has grounded more than 70% of its Airbus A320 fleet after the European manufacturer issued an urgent global bulletin ordering operators to carry out immediate software updates to prevent potential flight-control failures.

The disruption, one of the most severe to hit the airline in years, comes as Airbus launched one of the largest fleet-wide recalls in its history, affecting some 6,000 A320 commercial aircraft worldwide — more than half of the global fleet. The A320 is the world’s most widely used single-aisle airliner and the backbone of Avianca’s operations across Latin America and to U.S and Canadian hubs.

There are around 11,300 A320 jets in operation in total.

In a statement, Avianca said Airbus notified operators on November 28 that a significant portion of A320 require a mandatory software modification. The update, which Airbus described as reverting to an earlier software version, must be applied before affected aircraft can resume flights, except for ferry operations to maintenance bases.

“As soon as the aircraft reach their maintenance bases, they must remain on the ground until the updates are completed,” Avianca said. “This order affects more than 70% of Avianca’s fleet.”

The airline warned that the grounding will trigger significant operational disruptions over the next 10 days as engineers work to install the update across its aircraft. To limit further complications and manage passenger flow, Avianca has temporarily closed ticket sales for travel dates through December 8 — an extraordinary measure taken to “reorganize its capacity and re-accommodate passengers on available flights.”

Customers with upcoming reservations will receive direct notifications from the airline detailing their travel options.

The update requirement has already led to cascading delays and cancellations across several regions. Reuters reported that, at the time Airbus issued its notice to more than 350 operators, roughly 3,000 A320 aircraft were airborne. Airlines in the United States, Europe, South America, India and New Zealand said the repairs could trigger operational disruption during one of the busiest travel weeks of the year.

American Airlines, the world’s largest operator of the A320 family, said about 340 of its 480 aircraft require the fix. The carrier expects the majority of updates to be completed by Saturday, estimating about two hours of work per jet. Delta Airlines said updates to a small portion of its Airbus A320 planes will likely be completed by Saturday morning, a spokesperson said.

Avianca, however, expects the impact to last longer given the scale of its grounded fleet in Latin America and the limited availability of maintenance slots at Bogotá’s El Dorado International Airport.

The airline said its priority is passenger and crew safety and that it is working “as quickly as possible” to complete the mandatory modifications and restore normal operations.

To mitigate the fallout, Avianca is offering several options to affected passengers:

• Rebooking on the nearest available Avianca flight or on partner airlines with which it has commercial agreements.

• Flexible changes, allowing travelers to reschedule without penalty fees or fare differences, subject to availability, for up to 180 days after the original travel date.

• Refunds for unused flight segments through the airline’s website, call center, sales offices or travel agencies.

Avianca urged customers not to go to the airport unless their flight has been confirmed and to closely monitor email notifications associated with their reservation, as well as updates on its official channels.

Despite the scale of the disruption, the airline said the swift grounding demonstrates its commitment to safety while complying with Airbus’ unprecedented directive.

“The priority of Avianca is to ensure the safety of our passengers and crew,” the company said, adding that it aims to complete the required modifications as soon as possible to “minimize service disruptions.”