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B733 flight crew concerned with hold short taxiway marking that project into taxiway Y from taxiway's Q and north.
| Attributes | |
| ACN | 508221 |
| Time | |
| Date | 200104 |
| Day | Thu |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : mdw.airport |
| State Reference | IL |
| Altitude | agl single value : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : lga.tower |
| Operator | common carrier : air carrier |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | ground : preflight ground : taxi |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 160 flight time total : 9000 flight time type : 3000 |
| ASRS Report | 508221 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : multi engine pilot : commercial |
| Events | |
| Anomaly | incursion : runway non adherence : far non adherence : published procedure |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : took precautionary avoidance action |
| Consequence | other |
| Supplementary | |
| Problem Areas | Airport |
| Primary Problem | Airport |
| Situations | |
| Airport | markings : mdw.airport procedure or policy : mdw.airport |
Narrative:
I was captain and taxiing out for takeoff from gate at mdw to runway 22L. My clearance was, 'taxi to runway 22L via the terminal ramp.' as I taxied northeast on taxiway 'Y', I noticed new hold short lines configured in a 'V' leading off taxiway's 'Q' and 'north'. These hold short lines are configured so that it is impossible to taxi on the centerline of taxiway 'Y' without the left half of the aircraft crossing these lines. I crossed both of these hold short lines after ensuring that no aircraft was landing or taking off. Callback conversation with reporter revealed the following information: reporter advised that company reviewed concern with airport officials. Airport officials advised that these markings did not infer that crossing them was a runway incursion. They are a visual marking for aircraft utilizing taxiway's 'Q' or 'north' for intersection takeoffs on runway 22L. The 'V' lines are to prevent those departures from deflecting jet blast or propeller wash back into concourse 'C'. The reporter questions the use of FAA standard taxiway to runway hold short markings being utilized for other than their published use.
Original NASA ASRS Text
Title: B733 FLC CONCERNED WITH HOLD SHORT TXWY MARKING THAT PROJECT INTO TXWY Y FROM TXWY'S Q AND N.
Narrative: I WAS CAPT AND TAXIING OUT FOR TKOF FROM GATE AT MDW TO RWY 22L. MY CLRNC WAS, 'TAXI TO RWY 22L VIA THE TERMINAL RAMP.' AS I TAXIED NE ON TXWY 'Y', I NOTICED NEW HOLD SHORT LINES CONFIGURED IN A 'V' LEADING OFF TXWY'S 'Q' AND 'N'. THESE HOLD SHORT LINES ARE CONFIGURED SO THAT IT IS IMPOSSIBLE TO TAXI ON THE CENTERLINE OF TXWY 'Y' WITHOUT THE LEFT HALF OF THE ACFT XING THESE LINES. I CROSSED BOTH OF THESE HOLD SHORT LINES AFTER ENSURING THAT NO ACFT WAS LNDG OR TAKING OFF. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPTR ADVISED THAT COMPANY REVIEWED CONCERN WITH ARPT OFFICIALS. ARPT OFFICIALS ADVISED THAT THESE MARKINGS DID NOT INFER THAT XING THEM WAS A RWY INCURSION. THEY ARE A VISUAL MARKING FOR ACFT UTILIZING TXWY'S 'Q' OR 'N' FOR INTXN TKOFS ON RWY 22L. THE 'V' LINES ARE TO PREVENT THOSE DEPARTURES FROM DEFLECTING JET BLAST OR PROP WASH BACK INTO CONCOURSE 'C'. THE RPTR QUESTIONS THE USE OF FAA STANDARD TXWY TO RWY HOLD SHORT MARKINGS BEING UTILIZED FOR OTHER THAN THEIR PUBLISHED USE.
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.