David Appleton, head of professional and technical at Nautilus, which represents more than 20,000 maritime workers, said the utmost priority should be the safeguarding of the lives of seafarers.
The incident is the latest involving Boeing’s top-selling jetliner, which was grounded worldwide in 2019 following the second of two fatal crashes that killed 346 people.
The accusation is that no documents exist at Boeing to explain how the airplane left its factory missing bolts that would have prevented the accident in the first place.
The territorial waters affected extend halfway into the 12-mile-wide Bab al-Mandab Strait, through which around 15% of the world's shipping traffic passes.
The company has previously sponsored the restoration of the Apollo basin in the gardens of the Versailles Palace and the renovation of the Musee National de la Marine.