|37000 Feet||Browse and search NASA's
Aviation Safety Reporting System
|Local Time Of Day||0601 To 1200|
|Locale Reference||airport : pdx|
|Altitude||agl bound lower : 0|
agl bound upper : 0
|Operator||common carrier : air carrier|
|Make Model Name||Medium Transport|
|Flight Phase||ground other : taxi|
|Affiliation||company : air carrier|
|Function||other personnel other|
|Qualification||other other : other|
|Affiliation||government : faa|
|Function||controller : ground|
|Qualification||controller : non radar|
|Anomaly||incursion : runway|
non adherence : clearance
|Independent Detector||other controllera|
|Resolutory Action||none taken : detected after the fact|
|Air Traffic Incident||other|
After performance of propeller installation ground run on taxiway 'G' contacted pdx tower for permission to return to maintenance hangar which involved crossing runway 2/20. Pdx tower radioed turn 180 degree and cross runway 20, return to maintenance base.' operator responded with call sign and turned 180 degree and proceeded to cross runway. After crossing, pdx tower contacted aircraft and asked what instructions were given, which was repeated back to the tower. Tower informed mechanic (aircraft operator) that the instructions were 'turn 180 degree and hold at runway 2/20.' he also instructed to 'be alert and use caution in controled areas.' radio communication was clear with no interference, and no distrs were present. Airman misheard tower instructions and failed to repeat back instructions which would have clarified the instructions.
Original NASA ASRS Text
Title: MECHANIC TAXIED ACFT ACROSS AN ACTIVE RWY WITHOUT CLRNC.
Narrative: AFTER PERFORMANCE OF PROP INSTALLATION GND RUN ON TXWY 'G' CONTACTED PDX TWR FOR PERMISSION TO RETURN TO MAINT HANGAR WHICH INVOLVED XING RWY 2/20. PDX TWR RADIOED TURN 180 DEG AND CROSS RWY 20, RETURN TO MAINT BASE.' OPERATOR RESPONDED WITH CALL SIGN AND TURNED 180 DEG AND PROCEEDED TO CROSS RWY. AFTER XING, PDX TWR CONTACTED ACFT AND ASKED WHAT INSTRUCTIONS WERE GIVEN, WHICH WAS REPEATED BACK TO THE TWR. TWR INFORMED MECH (ACFT OPERATOR) THAT THE INSTRUCTIONS WERE 'TURN 180 DEG AND HOLD AT RWY 2/20.' HE ALSO INSTRUCTED TO 'BE ALERT AND USE CAUTION IN CTLED AREAS.' RADIO COM WAS CLR WITH NO INTERFERENCE, AND NO DISTRS WERE PRESENT. AIRMAN MISHEARD TWR INSTRUCTIONS AND FAILED TO REPEAT BACK INSTRUCTIONS WHICH WOULD HAVE CLARIFIED THE INSTRUCTIONS.
Data retrieved from NASA's ASRS site as of August 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.