Investigation Summary
The flight was a special charter intended to transport Aubrey Jones, the Minister of Supply, back to London following the opening of a research facility in Belfast. During the approach to Runway 28, the weather was poor with cloud bases reported between 300 and 600 feet. The crew utilized Ground Controlled Approach (GCA) and were advised they had a 'sporting chance' of becoming visual. Witnesses reported hearing the engines 'rev-up' as the pilot initiated a go-around. Wreckage analysis confirmed the landing gear was retracted and locked at the time of impact, indicating the crew had successfully transitioned to the overshoot phase before the sudden loss of control. The public inquiry scrutinized the 'Flight System' instruments to determine if they had potentially deceived the pilot. Experts also investigated the possibility of a 'bunt manoeuvre'—a sudden nose-down pitch—or a violent manoeuvre during stall recovery, though no definitive evidence supported these theories. Investigators examined a bent screwdriver found in the wreckage, but its significance remained speculative as it had been moved by a worker before its original position could be documented. The inquiry also noted that the airport's approach lighting might have been switched off, potentially disorienting the crew during the critical transition from instruments to visual flight.
Final Conclusions
The public inquiry concluded that the crash was a 'wholly unexplained calamity.' No evidence of pilot error or mechanical failure was found that could definitively explain the sudden impact during the overshoot. The investigation resulted in recommendations for stricter tool control during maintenance and better record-keeping for airport lighting systems.
Video Analysis
No video analysis linked for this case file yet.
Crew Experience
Captain
Robert M. Stewart, age 35. Completed Viscount 802 conversion in March 1957.
First Officer
William G. Tompkins, age 35. Former RAF pilot and DFC recipient.
Systems & Failure Modes
Ground Controlled Approach (GCA)
A radar-based landing system where a ground controller provides verbal headings and descent instructions to the pilot.
Undercarriage Retraction System
Post-crash analysis confirmed the gear was successfully retracted and locked, indicating the crew had begun the go-around procedure.
Interesting Facts
- 01The aircraft was the first production 800 Series Viscount ever built.
- 02All seven occupants, including five crew members and two passengers, were killed.
- 03The landing gear was found fully retracted and locked in the wreckage.
- 04A bent screwdriver was found in the wreckage, but its role in the crash could not be determined.
- 05The airport approach lighting may have been switched off during the landing attempt.
Safety Actions & Advisories
Tool Control Procedures
The inquiry recommended stricter control of tools during aircraft maintenance to prevent foreign objects from interfering with flight controls.
Airport Lighting Records
Investigators suggested that airports maintain formal records of when approach lighting systems are activated or deactivated.
Crash Site Security
Recommendations were made to improve the security of crash sites to prevent the unauthorized removal or disturbance of evidence.