Very well done aviation melodrama. I thought the story line quite engaging, the acting quite good, and the special effects excellent for the era and , I suspect, limited budget. All the details were quite accurate and the comments of the other reviewers display an unfamiliarity with the Boeing airliner in question which certainly had emergency hatches as that which ward Bond opened in his effort to remove ice on the plane's antenna wire. In fact it displayed in detail how he had to unbolt the hatch.
Considering what was accomplished with limited resources I gave the film nine stars. That lovely view of the classic coffin nose Cord roadster posed in front of the Boeing is worth the price of admission.