Page 68 - World Airnews September 2020 Edition
P. 68

FEATURE




                                   PJ AVIATION




                                   PJ Aviation is the only SA manufacturer of portable ground-to-

                                   air VHF transceivers for the dual use market



                                            soon Gariep Dam seemed to become the   rough use, without making it difficult to
                                            field testing station.
                                                                               remove the battery. To avoid irrecoverable
                                               Peter would discover a bug, call Bernd,
         Still going strong after 27 years.  and by next day he had a new firmware   deep discharges, an intelligent lithium iron
                                                                               phosphate battery is used together with a 3
           Founder of the company, Peter How   loaded. Over the first two years, mostly   stage charger built inside the portable case.
          qualified in microwave communications   through such software improvements
          at Hartebeeshoek - after building his first   the radio became an excellent and very   The result is a lighter and more compact,
          sailplane - started one of the first licensed   versatile product.   durable, all metal product, vastly superior
          composite aircraft repair shops in the   Now, after three decades, and with   to the original yellow coloured units (which
          country, with the legendary sailplane   thousands of Dittel VHF transceivers   PJ Aviation still service).
          developer Pat Beatty.             exported all over the world from Germany,   The SAAF was the first to take to the new
           Later Woody Woods of EAA fame,   there was a ‘new Dittel’.          units and the KRT2-TB2 is now used by air
          joined and top agencies such as GROB   Every air force and ATC centre will   forces and airports in over 12 countries.
          Flugzeugbau and Walter Dittel were   remember the old yellow units - there were   PJ Aviation is the only SA manufacturer
          acquired.                         a couple hundred in South Africa alone.   of portable ground-to-air VHF transceivers
           It was the latter with its mix of aviation                          for the dual use market and is confident
                                              Following in his father’s footsteps, Walter
          and radio communication which captured   Jnr’s KRT-2 is rapidly becoming Europe’s   that their product is both superior and
          Peters’ interest the most and during the   fastest selling transceiver (4000 in 2 years).    better priced than any others still produced
          ’80s Peter expanded into what became   Today with the new owners of the KRT2   overseas.
          Pertec at Grand Central Airport.   design, TQ-Systems, over 16,000 have been   Peter How said, “Whilst there are several
           By then the yellow portable ‘Dittels’   delivered.                  handheld VHF transceivers on the market,
          were very well known.  Woody was a great   But, going back to when the KRT2 was   only a high power portable will give you
          inspiration in business.  He had grown 3M   developed, there was no portable version.  adequate range and battery endurance in
          SA into a major entity, and Peter finally                            applications such as temporary ATC, air
          took his advice and sold the business when   Having supplied the yellow units for   show control, search and rescue, an-
          it was at its peak.               decades, Peter, had already identified all   ti-poaching, oil rigs, disaster management,
                                                                               fire-fighting, personnel extraction, bush
           A restraint of trade agreement in 1993   the shortcomings of the old model, and   and jungle warfare and other situations
          meant going back to repairing and building   in collaboration with Walter in Germany,   where VHF propagation is difficult”.
                                            improved the product, which he designated
          composite aircraft. This paid off as it drew   the KRT2-TB2.           After the portable, the business went
          the newly founded business closer to the                             onto develop 19 inch fixed base stations
          light aviation market and soon, as new   The transceiver module, the KRT-2 and   using the KRT2, one with a 25W PA
          agencies were acquired, Peter and his wife   the hand microphone is imported, but 50%   developed for export.  Interestingly, this
          Fran were attending every major air show   of the KRT2-TB2 is manufactured locally.   amplifier is a redesign of one by the same
          and selling a couple of hundred headsets   The metal parts are made in a CAD-  specialist which helped Peter deliver
          a month.  There was not one flight school   CAM plant in Johannesburg, and these   25W base stations to the SAAF 20 years
          or flight shop that did not escape their   parts, together with other materials are   previously.
          attention.                        shipped to PJ Aviation at Gariep Dam to be
           Grob had introduced Peter to Becker   assembled.                      Another successful radio product line
          Avionics and then Filser, so soon the VHF                            has been a pilot initiated runway/helipad
          radio business grew again.  Then he re-                              lighting controller.  Peter says they must
          membered Woody’s advice and sold again   THE KRT2-TB2                have produced a few hundred by now,
          to start what he thought was retirement at   Some of the features include a reduction in   exports taking advantage of the weak
          a place he loved to soar - Gariep Dam in the   weight without compromising strength was   Rand.
          southern Free State.              a major goal in the development.     The business no longer markets aviation
           Things don’t always go the way you plan   This was achieved by combining high   headsets, but instead specialises in config-
          - and the next thing Walter Dittel Junior   strength corrosion resistance alloys. The   uring special noise reduction headsets for
                                                                               defence and control centres, with suppliers
          comes knocking on the door with Bernd   alloy used in the outer shells and face   in the UK, Germany and China.
          Koendoefer, the designer of the Filser   is resistant to salt water corrosion and
          range, claiming to be on a holiday.   denting, and a high quality powder coating
            The original Walter Dittel GmBH had   is applied to the shells and face plates.
          given up VHF radio production and these   The handle is a polished stainless steel   THE SAILPLANE MARKET
          two wanted to know if Peter would   bar with black nylon grips, and a polished,   Love for light aviation meant that Peter
          distribute Bernd’s new VHF design, the   thin stainless steel cover clips over the face   continued to acquire agencies, orientated
          KRT2.  After building a composite yacht   plate, providing a protected storage area   towards power and the sailplane market.
          for the lake and soaring all summer, this   for accessories during transport.  Sailplane flight computers have become
          was too big a temptation to give up. Early    Particular attention has also been taken   extremely sophisticated and require a lot
          models were a bit ‘iffy’ to say the least, and
                                            to secure the battery during transport and   of customer support. Peter has found that
                                                 World Airnews | September Extra 2020
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