Isn't that the arab translation for condoms?
Yes, wet suits. Actually, they are also known as "survival suits", but are essentially the same thing. The purpose is to keep you alive long enough for a rescue crew to reach you, if you have to ditch the plane. Without it, survival time in cold water is measured in minutes.
When ferrying a small single-engine plane across the Atlantic, long-range navigation gear is required. It used to be a portable Omega receiver, but now GPS units provide less expensive and better guidance.
If they were flying the Tampicos to Morocco, they would need this stuff. If they didn't have it, I'd be more suspicious.