looks like they might have .by looking at these plane orders by...

looks like they might have .by looking at these plane orders by the TGF- Tanzania Government Flight, which is under the control of the president's state office as per wiki page.
https://www.ch-aviation.com/portal/news/129989-arbitrator-rules-tanzania-must-pay-australian-miner-1095mn

''In terms of outstanding orders, state-owned Air Tanzania expects delivery of two B737-9 MAX from Boeing (BOE, Washington National) in August and December 2023 respectively while one B787-8 is expected in February 2024. In addition, it is acquiring one B737-7(BBJ) business jet. All are to be acquired through state-owned lessor TGF - Tanzania Government Flight." - collectively the cost of the planes ordered comes to over $400 million.

Indiana chairman said the below: Barnes earlier told ch-aviation the company would consider seizing assets if Tanzania failed to make payment as directed by the ICSID."This may include planes, although no clear decision has been made about this at the moment," she said

Hoping for the best.