Page 46 - World Airnews Magazine December 2020
P. 46

SAPFA


                                  HOT CONDITIONS


                                                           The SAPFA landing nationals took place in
                                                                Brakpan. This report from Rob Jonkers




                                                                         APFA holds a landing national championship every
                                                                   Syear. This year it was to have taken place at Stellen-
                                                                    bosch as part of the start of the World Rally Flying Champi-
                                                                    onships but had to be postponed to next year - same time.

                                                                     At least SAPFA was been able to redirect the original plan
                                                                    and hold the championships at Brakpan.
                                                                     With the rains earlier on in the week abated, the weather

                                                                    turned to a sweltering 34 deg C. This plus the airfield elevation

                                                                    at 5300 ft, resulted in a density altitude of around 8500 ft - not



                                                                    the most ideal conditions for high altitude landing accuracy.


                                                                     At least the wind was relatively calm although gusty at

                                                                    ti mes.

                                                                     There were 14 competitors in total - eight in the unlim-
          The scoring team of Mary de Klerk, Frank Eckard, Sandi Goddard   ited class and six in the sportsman’s class. Many of the

                 and Lizelle Kruger reviewing slow motion video footage  competitors were out practicing for a good part of Friday


                                                                    to gain proficiency in their accuracy, as the previous

                                                                    week’s training camp had been winded out with high
                                                                    cross-winds.

                                                                     From the results it showed clearly that practice makes


                                                                    all the difference. One has to create an airfield mind map
                                                                    of markers, turning points and altitudes especially for

                                                                    glide approaches - to get a repeatable landing point.


                                                                     The competition consists of two sessions of four land-
                                                                    ings, one a normal powered approach with any flap, the

                                                                    second a glide approach that starts 1000 ft abeam the

                                                                    landing line with any flap, the third another glide ap-

                                                                    proach with no flap and the fourth a powered approach

                                                                    over a 1.8m barrier located 50m from the landing line.
                                   Jabiru ZU-CZW on a glide approach  The barrier proved to be the most challenging for most
                                                                    - even though the glideslope represents a normal landing
                                                                    state. First up were the unlimited class in two groups of four

                                                                    and thereafter the sportsman’s class in two groups of three.
                                                                     The officials also tried out video recording for the first



                                                                    time (high speed camera settings) as this will be the




                                                                    planned standard for world competitions - an improve-

                                                                    ment from the gasometer system previously used.


                                                                     After the first session, lunch was had. Then the second
                                                                    session commenced at 1pm when the highest density altitude

                                                                    conditions were present with turbulence thrown in. The C182

                                                                    turning downwind to final on the glide at best glide speed saw


                                                                    more than 1000ft per minute rate of descent, which did not

                                                                    leave much space to do the final runway heading line-up and

                                                                    arrest the descent to stabilize for the flare - needless to say the
                                                                    accuracy was not easily achievable to hit the landing line.
                                 MFI-17 ZS-OKR on the glide approach  After all the landings were completed, the officials



                                                                    debriefed the scores and reviewed the video footage to
                                                                    ensure the exact touchdown points were scored. In the

                                                                    unlimited class, in first place multiple SA landing and

                                                                    world champion holder was Hans Schwebel in a C150 ZS-
                                                                    NBT, in second place Fanie Scholz in a Sling ZU-FZF and in
                                                                    third Jonty Esser in a C150 ZU-BLL.

                                                                     In the sportsman’s class, in first place was Andy Gouws
                                                                    in a C150 ZU-BLL, in second place Hilton Wolff in a MFI-17

                                                                    ZS-OKR, and in third Kevin Cloete in a C182 ZS-KDC.

                                                                     Many thanks to the Brakpan Aero Club for hosting this
                                                                    signature event, the SAPFA team of Frank Eckard as the


                                                                    competition director, Nigel Musgrave as the safety officer,


                                                                    Mary de Klerk, Sandi Goddard, Lizelle Kruger as scoring
                                                                    marshals, assisted by Tarryn and Ian Myburgh, Martin Mey-

          The Brakpan airfield apron busy with competitor aircraft arrivals  er, Hendrik Loots as line judges and barrier holders. Q



                                                 World Airnews | December 2020
                                                         — 44 —
   41   42   43   44   45   46   47   48   49   50   51