Narrative:

I was departing from milwaukee general mitchell field. WX was VFR, visibility good. I was VFR to arb. My instrument student pilot was flying the aircraft and I was communicating with clearance/ground/tower. I (aircraft X) picked up a clearance out of the class C airspace. I then contacted ground, was given taxi instructions to runway 13. During taxi, I was asked to contact tower when ready for takeoff. I was also issued hold short instructions for runway 13, which I read back. At the hold line there was an additional aircraft at the opposite hold line which was given takeoff clearance before I was. After the aircraft had departed, I was issued a 'position and hold runway 13.' another aircraft moved up to the hold line on the opposite side of the runway. I read back the position and hold instruction and we started to taxi across the hold line. As I did, I looked to the left and checked the inbound flight path and saw a light twin (aircraft Y) on what I estimate to be a 1/2 mi final for runway 13. By this time I was over the hold line but not on the landing portion of the runway. We immediately stopped taxi and I asked the local controller to 'verify position and hold' for our aircraft. The local controller repeated 'position and hold runway 13' for our aircraft. A couple of seconds after he said this, the local controller issued a go around for the landing aircraft. The landing aircraft did not go around but landed on runway 13. Once the landing aircraft had left the runway, we were given a clearance to take off. This we did, and the local controller thanked us for our help as he xferred us to departure. I have always taught my students to look and check the inbound path when taxiing onto a runway (on either a controled or uncontrolled field). In this case, I practiced my own teachings which averted what may have been a serious accident.

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Original NASA ASRS Text

Title: PA28 INSTRUCTOR OBSERVES TWIN CESSNA SHORT FINAL, ABORTS TKOF CLRNC AS TWIN CESSNA LANDS. MKE TWR ATTEMPTS TO CORRECT CONFLICT WITHOUT SUCCESS.

Narrative: I WAS DEPARTING FROM MILWAUKEE GENERAL MITCHELL FIELD. WX WAS VFR, VISIBILITY GOOD. I WAS VFR TO ARB. MY INST STUDENT PLT WAS FLYING THE ACFT AND I WAS COMMUNICATING WITH CLRNC/GND/TWR. I (ACFT X) PICKED UP A CLRNC OUT OF THE CLASS C AIRSPACE. I THEN CONTACTED GND, WAS GIVEN TAXI INSTRUCTIONS TO RWY 13. DURING TAXI, I WAS ASKED TO CONTACT TWR WHEN READY FOR TKOF. I WAS ALSO ISSUED HOLD SHORT INSTRUCTIONS FOR RWY 13, WHICH I READ BACK. AT THE HOLD LINE THERE WAS AN ADDITIONAL ACFT AT THE OPPOSITE HOLD LINE WHICH WAS GIVEN TKOF CLRNC BEFORE I WAS. AFTER THE ACFT HAD DEPARTED, I WAS ISSUED A 'POS AND HOLD RWY 13.' ANOTHER ACFT MOVED UP TO THE HOLD LINE ON THE OPPOSITE SIDE OF THE RWY. I READ BACK THE POS AND HOLD INSTRUCTION AND WE STARTED TO TAXI ACROSS THE HOLD LINE. AS I DID, I LOOKED TO THE L AND CHKED THE INBOUND FLT PATH AND SAW A LIGHT TWIN (ACFT Y) ON WHAT I ESTIMATE TO BE A 1/2 MI FINAL FOR RWY 13. BY THIS TIME I WAS OVER THE HOLD LINE BUT NOT ON THE LNDG PORTION OF THE RWY. WE IMMEDIATELY STOPPED TAXI AND I ASKED THE LCL CTLR TO 'VERIFY POS AND HOLD' FOR OUR ACFT. THE LCL CTLR REPEATED 'POS AND HOLD RWY 13' FOR OUR ACFT. A COUPLE OF SECONDS AFTER HE SAID THIS, THE LCL CTLR ISSUED A GAR FOR THE LNDG ACFT. THE LNDG ACFT DID NOT GO AROUND BUT LANDED ON RWY 13. ONCE THE LNDG ACFT HAD LEFT THE RWY, WE WERE GIVEN A CLRNC TO TAKE OFF. THIS WE DID, AND THE LCL CTLR THANKED US FOR OUR HELP AS HE XFERRED US TO DEP. I HAVE ALWAYS TAUGHT MY STUDENTS TO LOOK AND CHK THE INBOUND PATH WHEN TAXIING ONTO A RWY (ON EITHER A CTLED OR UNCTLED FIELD). IN THIS CASE, I PRACTICED MY OWN TEACHINGS WHICH AVERTED WHAT MAY HAVE BEEN A SERIOUS ACCIDENT.

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.