In the last hour, a United States Air Force (USAF) Boeing RC-135W Rivet Joint declared an emergency in the Doha FIR.
Emergency: USAF Tanker Declares Emergency Over Doha…

It is understood that the aircraft involved was 62-4138, one of the USAF Rivet Joint aircraft based in Ar Rayyan Air Base, which is to the south-west of the Qatari capital of Doha.
The video above, captured by @EISNSpotter on Twitter, highlights OMAHA77 calling mayday following a flight control issue, which resulted in the aircraft having to dump fuel around the Doha airspace.
As per data from Planespotters.net, 62-4138 is a 61.2 year old Boeing C-135 Stratotanker/Stratolifter, known as a Rivet Joint, that was delivered to the United States Air Force (USAF) back in August 1962.
It’s configuration is in Electronic Reconnaissance, which is responsible for the detection and identification and evaluation and location of foreign electromagnetic radiations.
From there, once such reconnaissance is completed, the aircraft heads back to Ar Rayyan Air Base, Doha, which is where the aircraft is understood to be based.
It is unclear when this aircraft will be back in the air following the flight control issue, with all eyes on the USAF to get the aircraft fixed.
This remains a developing story, with the article to be updated if any additional elements are thrown into the mix.

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