Character mistake: When Angelo sets the Vulcan down in the sea, he blows the canopy and extends the landing gear. As the plane settles, he attempts to release his harness, then has his air line cut by Largo. He futilely beats on the harness release, when all he had to do was pull the face curtain handles to trigger the ejection seat, which would not only blow him clear of the plane, but would separate him from the seat itself. Having trained for two years, for this specific mission, he would undoubtedly be familiar with ejection procedures.
Character mistake: When Q gives Bond his gadgets, he tells him the watch is a Geiger counter and the camera is infra red. However, Bond gives Domino the camera and tells her it is a Geiger counter.
Character mistake: The drop-off point for the case of diamonds is given as an archipelago off the coast of Burma, 20° north, 60° east, Someone points to it on a large wall map. This location is actually 20° north, 92° east. (01:13:00)
Answer: Look up Skyhook online and you'll find out how it was done. The person hanging from the cable wold be pulled aboard by the plane's crew.