What happened
On 07 October 2005, a Cessna 172K, registered ZS-FJS, departed Rand Aerodrome for a private flight to Makhado Civil Aerodrome. The flight was intended to allow the pilot and passenger to attend a fighter meet scheduled for the following day. During the transit, a 15-knot headwind delayed the flight, placing the expected arrival time shortly after sunset.
To avoid low cloud cover approaching from the east, the pilot flew at a low altitude of approximately 800 feet over Polokwane International Aerodrome. While navigating near the Louis Trichard Toll Plaza, the pilot noted deteriorating weather conditions and decided to abort the flight to Makhado and return to Polokwane. To maintain visibility, the pilot had been following the lights of the N1 highway.
Upon receiving an air traffic control advisory to turn left toward the base, the pilot executed the turn away from the illuminated highway. In doing so, the aircraft entered a bank of mist, causing an immediate loss of all visual references. In an attempt to avoid the terrain, the pilot reduced power and pulled back on the control stick. The aircraft struck the ground with the right wing first and tumbled 237 meters before coming to rest upside down. The impact resulted in the total destruction of the aircraft, though there were 0 fatalities and 2 survivors.
The investigation
Investigators examined the flight path and the pilot's decision-making process regarding the changing meteorological conditions. The inquiry established that the aircraft was being actively tracked by Makhado radar and air traffic control throughout the flight. The investigation focused on the sequence of events following the pilot's decision to turn away from the well-lit N1 highway into a region of low visibility.
Findings
- The primary cause of the accident was the pilot flying into deteriorating weather conditions.
- The aircraft entered a stall during an attempt to recover from the ground impact, with the right wing striking the surface first.
- The pilot's decision to fly at a very low altitude to stay below cloud layers contributed to the lack of recovery options once visual references were lost in the mist.
- A contributing factor was the pilot's decision to continue toward the destination despite the delay and weather changes, driven by the desire to attend a scheduled briefing.