Transit through the Suez Canal between Port Said and Suez, 193 km, no locks, governed by the Suez Canal Authority.
Regulatory detail & full definition
Convoy system: northbound and southbound; the bypass channel allows two-way traffic for part of the route. SCA pilots board but the master retains command. Transit fee is among the largest port-call costs (~USD 700,000 for a Suezmax tanker as of 2024). MSU/Searchlight/SCA tug fees additional.