AN SMA TAXIING OUT TO RWY 29 FOR TKOF ENTERS RWY 22 WITHOUT CLRNC. RPTR CTLR CLAIMS FACILITY POLICY IS TO ALLOW ACFT TO TAXI ONTO RWY 22 WHEN HOLDING SHORT OF RWY 29. RPTR BELIEVES THAT ACFT SHOULD BE INSTRUCTED TO HOLD SHORT OF RWY 22 WHILE TAXIING TO RWY 29.

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PIPER PARO WAS INSTRUCTED TO TAXI TO RWY 29. THE PLT TAXIED OUT ONTO RWY 04/22 WITHOUT CLRNC TO CONDUCT A PRETKOF ENG CHK. LCL PLTS PERSISTENTLY TAXI ON RWY 04/22 AT THE INTXN OF TXWY A WHEN INSTRUCTED TO TAXI TO RWY 29. TRANSIENT PLTS WILL REMAIN CLR OR HOLD SHORT OF RWY 04/22 UNLESS AUTH BY ATC. THIS IS AN ACCIDENT WAITING TO HAPPEN AT THIS FACILITY BECAUSE THE ONLY PLTS THAT ACCESS RWY 04/22 WHEN INSTRUCTED TO TAXI TO RWY 29 ARE LCL PLTS WHOM HAVE BEEN PERSISTENTLY TOLD BY THE AVIATION EDUCATION REPRESENTATIVE AND SUPVRS THAT THEY CAN TAXI ON RWY 04/22 WHEN INSTRUCTED TO TAXI TO RWY 29. I DON'T CARE IF THIS HAS BEEN DONE FOR THE PAST 50 YRS; IT IS AN ACCIDENT WAITING TO HAPPEN JUST LIKE THE XYZ ACCIDENT. ONLY LCL PLTS ACCESS THE RWY AND NOT TRANSIENT PLTS. THAT SHOULD CLUE SOMEONE IN ON THE LEGALITY OF THE MATTER. IF AN AIR TFC CTLR FORGETS THAT ONE OF THESE LCL PLTS IS DOING A RUN-UP ON RWY 04/22 OR HAS ACCESSED THIS RWY WITHOUT APPROVAL FROM THE TWR AND ISSUES A LNDG CLRNC TO A BRASILIA WHICH LANDS ON TOP OF ONE OF THESE LCL PLTS; WHO IS GOING TO BE HELD LIABLE; THE FAA OR THE PLT? I WILL MAKE DAMN SURE THE FAA IS HELD LIABLE.