US KC-135 Stratotanker Vanishes Over Qatar After Sending Distress Signal

Key facts

• A Boeing KC-135 Stratotanker issued a 7700 distress signal over the Persian Gulf near Iran.
• The aircraft took off from Al Dhafra Air Base in the UAE and lost signals over Qatar.
• Flight tracking data showed the plane flew in a circular pattern before descending.
• over the Strait of Hormuz.
• H125 light utility helicopters were observed in the area after the signal loss.
• In March 2025, a KC-135 was lost in an Iranian attack in western Iraq.
• The KC-135 has been in US Air Force service for over 60 years.

Distress Signal Over the Gulf

A United States Air Force Boeing KC-135 Stratotanker has gone missing after transmitting a '7700' distress signal over the Persian Gulf, according to flight tracking data from Flightradar24. The aircraft, a mid-air refueling tanker known as a 'flying gas station,' declared an in-flight emergency while operating near Iran, before its signals were lost over Qatar. The plane had taken off from Al Dhafra Air Base in the United Arab Emirates and was reportedly supporting ongoing military operations in the Middle East. The exact cause of the emergency remains unclear, and no official link to hostile action has been confirmed.

Circular Flight Path Before Descent

Flight tracking data indicates that the KC-135 flew in a circular pattern for some time before beginning its descent for landing. The aircraft squawked the 7700 code, an internationally recognized signal for a general emergency, before vanishing from radar systems. Regional-level AIS and over the Strait of Hormuz, raising questions about possible interference. H125 light utility helicopters were observed in the area after the signal loss, suggesting search-and-rescue efforts may have been initiated.

No Official Statement Yet

Neither the US military nor US Central Command has issued a statement regarding the status of the aircraft. US Defense Secretary Pete Hegseth made no mention of the missing plane during a press conference on Monday. on the disappearance, citing Flightradar24 data, but Tehran has not commented on any involvement. The Islamic Republic has not issued a statement indicating its role in the incident.

Previous KC-135 Loss in Iraq

This is not the first incident involving a KC-135 in recent months. In March, a KC-135 was lost in an attack in western Iraq, with the Islamic Resistance in Iraq, an umbrella group of Iran-backed armed factions, claiming responsibility. The group said it shot down the aircraft 'in defence of our country's sovereignty and airspace.' US Central Command had stated that the March crash was not due to hostile fire, but Iran's Islamic Revolutionary Guard Corps took responsibility for that attack. The current incident adds to concerns over the safety of US assets in the region amid escalating tensions.

The KC-135 Stratotanker: A Vital Asset

The KC-135 Stratotanker is a four-engine military aircraft used primarily for aerial refueling, allowing fighter jets, bombers, and other military planes to extend their range and endurance. It also supports aircraft from the US Navy, Marine Corps, and allied nations. Based on Boeing's 367-80 design, which also led to the commercial Boeing 707, hundreds of KC-135s remain in service with the US Air Force, Air National Guard, and Air Force Reserve. The aircraft has been operational for more than 60 years.

Open Questions and Regional Context

The fate of the KC-135 and its crew remains unknown. With no official confirmation from US authorities, speculation continues about whether the emergency was due to technical failure, GPS jamming, or potential hostile action. The disappearance occurs against a backdrop of heightened US-Iran military confrontations, including maritime alerts near Fujairah and strikes on vessels linked to Abu Dhabi National Oil Company. The United Kingdom Maritime Trade Operations has logged multiple incidents, while blame between Abu Dhabi and Tehran intensifies over shipping safety along the Gulf corridor.

The bottom line

• A US KC-135 Stratotanker issued a 7700 distress signal over the Persian Gulf and disappeared from radar near Qatar.
• The aircraft was on a refueling mission and had taken off from Al Dhafra Air Base in the UAE.
• Regional GPS jamming has been reported, and search helicopters were deployed after the signal loss.
• No official statement has been released by US Central Command or the Pentagon.
• A similar KC-135 loss occurred in Iraq in March, attributed to Iran-backed factions.
• The incident underscores the volatility of the region amid ongoing US-Iran tensions.