Narrative:

We were in left traffic for runway 4L, and I was in the right seat as a fellow member of the flying team that was practicing precision lndgs. Crash fire rescue equipment was conducting their morning runway light check. We requested a full stop so that I could get some practice in. After touching down on the numbers of runway 4L, we were told to turn right onto runway 18, left onto taxiway B1, and conduct our pilot change there, remaining clear of runway 4L. As we approached runway 18 and were beginning a soft right turn, the tower/ground controller (she was working and transmitting on both frequencys simultaneously) told fire #1, the fire command vehicle holding short of runway 4L on runway 36, to 'drive runway 36 and give way to the cessna.' since we were on the tower frequency and he was on ground, we did not hear his reply. We had just crossed onto runway 18 pointed towards taxiway B1 as he began driving runway 36. We had to use the brakes to avoid a collision, and he passed about 40 ft in front of us on the runway centerline. We were taxiing at about 15 KTS at the time the imminent collision was perceived, and the brakes applied. Since we did not hear his readback, we think that he may have believed that he had the right-of-way since he was to our right. Overall, it was an obvious misunderstanding of instructions.

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Original NASA ASRS Text

Title: NEAR GND COLLISION WHEN A FIRE TRUCK IS CLRED ONTO THE SAME RWY WITH A XING C152 AT CMI, IL.

Narrative: WE WERE IN L TFC FOR RWY 4L, AND I WAS IN THE R SEAT AS A FELLOW MEMBER OF THE FLYING TEAM THAT WAS PRACTICING PRECISION LNDGS. CFR WAS CONDUCTING THEIR MORNING RWY LIGHT CHK. WE REQUESTED A FULL STOP SO THAT I COULD GET SOME PRACTICE IN. AFTER TOUCHING DOWN ON THE NUMBERS OF RWY 4L, WE WERE TOLD TO TURN R ONTO RWY 18, L ONTO TXWY B1, AND CONDUCT OUR PLT CHANGE THERE, REMAINING CLR OF RWY 4L. AS WE APCHED RWY 18 AND WERE BEGINNING A SOFT R TURN, THE TWR/GND CTLR (SHE WAS WORKING AND XMITTING ON BOTH FREQS SIMULTANEOUSLY) TOLD FIRE #1, THE FIRE COMMAND VEHICLE HOLDING SHORT OF RWY 4L ON RWY 36, TO 'DRIVE RWY 36 AND GIVE WAY TO THE CESSNA.' SINCE WE WERE ON THE TWR FREQ AND HE WAS ON GND, WE DID NOT HEAR HIS REPLY. WE HAD JUST CROSSED ONTO RWY 18 POINTED TOWARDS TXWY B1 AS HE BEGAN DRIVING RWY 36. WE HAD TO USE THE BRAKES TO AVOID A COLLISION, AND HE PASSED ABOUT 40 FT IN FRONT OF US ON THE RWY CTRLINE. WE WERE TAXIING AT ABOUT 15 KTS AT THE TIME THE IMMINENT COLLISION WAS PERCEIVED, AND THE BRAKES APPLIED. SINCE WE DID NOT HEAR HIS READBACK, WE THINK THAT HE MAY HAVE BELIEVED THAT HE HAD THE RIGHT-OF-WAY SINCE HE WAS TO OUR R. OVERALL, IT WAS AN OBVIOUS MISUNDERSTANDING OF INSTRUCTIONS.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.