This final in the three part documentary series looks at the capabilities of modern commercial aircraft to regularly travel faster than the speed of sound.
| Directing | Denis Segaller | Director |
| Camera | Ronnie Whitehouse | Camera Operator |
| Crew | J. N. Quick | Technical Advisor |
| Crew | F.G. IRVING | Technical Advisor |
| Visual Effects | Archie Shaw | Animation |
| Visual Effects | Leslie Davie | Animation |
| Directing | Ramsay Short | Assistant Director |
| Editing | Roy Ayton | Assistant Editor |
| Camera | Norman Wallis | Assistant Camera |
| Sound | Daphne Oram | Sound Effects |