Flight data and satellite photographs reveal that dozens of UAE cargo planes have landed at a small Chad airstrip since Sudan’s civil war began last year, which some U.N. experts and diplomats fear is being used to transport guns into the fight.

At least 86 UAE planes have landed at Amdjarass airfield in eastern Chad since the war started in April 2023.

According to flight data and business records examined by Reuters, three-quarters of them were operated by airlines accused by the U.N. of transporting Emirati weaponry to a Libyan warlord.

The UAE, a key Western partner in the Middle East, insists it sends Sudan aid through Chad, not armaments.

The UAE denied “credible” allegations that it was supplying Sudan’s Rapid Support Forces (RSF), a paramilitary group fighting the Sudanese army in a conflict that has killed tens of thousands and displaced millions, via the Chad airstrip in January.

Reuters uncovered footage from Amdjarass this year, revealing two pallets loaded with khaki containers, some labelled with the UAE flag, on the tarmac.

Reuters is obscuring the footage’s date and provenance for fear of reprisals.

Three weapons specialists, two of whom were U.N. inspectors, said the containers were unlikely to convey humanitarian material, generally bundled in cardboard boxes coated in plastic and stacked high on pallets due to its lightweight. The footage shows metal containers packed low on pallets.

One U.N. weapons inspector said the contents were “highly probably ammunition or weapons, based on the design and colour of boxes,” but requested anonymity due to the sensitivity of the information.

He stated that right-hand pallet cases are long and slender, suggesting weaponry.

Reuters could not independently verify the containers’ contents. The filming date is being withheld to protect the source.

The UAE government told Reuters it has deployed 159 relief planes with more than 10,000 tonnes of food and medical assistance to feed its Amdjarass field hospital.

“We firmly reject the baseless and unfounded claims regarding the provision of arms and military equipment to any warring party since the beginning of the conflict,” the statement said.

To counter Islamist militants, the oil-rich Gulf kingdom has interfered in crises from Yemen to Libya since the Arab Spring protests of 2011. The UAE views Muslim Brotherhood and other groups as threats to internal stability.

In Sudan’s army, Islamists affiliated with deposed President Omar al-Bashir have long held power.

Senior RSF official Brigadier General Omar Hamdan rejected foreign help. He told Nairobi media on Nov. 18 that Sudanese firms made its guns and ammunition. The RSF declined to comment on this topic.