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A B767 crew on takeoff at ord saw an aircraft rotating on an intersecting runway as they passed the intersection to that runway.
| Attributes | |
| ACN | 497155 |
| Time | |
| Date | 200012 |
| Day | Sun |
| Local Time Of Day | 0001 To 0600 |
| Place | |
| Locale Reference | airport : ord.airport |
| State Reference | IL |
| Altitude | agl single value : 0 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B767 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | ground : takeoff roll |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | tower : ord.tower |
| Operator | common carrier : air carrier |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : takeoff |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| ASRS Report | 497155 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : multi engine pilot : instrument pilot : commercial |
| ASRS Report | 496880 |
| Events | |
| Anomaly | conflict : ground critical non adherence : clearance non adherence : published procedure |
| Independent Detector | other controllera other flight crewa other flight crewb other other : 3 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | faa : reviewed incident with flight crew other |
| Miss Distance | horizontal : 2000 vertical : 0 |
| Supplementary | |
| Problem Areas | ATC Human Performance Flight Crew Human Performance |
| Primary Problem | ATC Human Performance |
Narrative:
Location: ord runway 32R. After being cleared to position and hold runway 32R and while lining up, we heard a takeoff clearance. The first officer and I verbally acknowledged to each other that we were cleared to go. I heard the first officer repeat the clearance to the tower over the air. I commenced the takeoff roll. In the runway 9L/32R intersection and not before that, I saw an aircraft rotate about 2000-3000 ft from us. Tower then asked us what we were doing and we told him that we heard and acknowledged our takeoff clearance. He informed us that we were wrong. About 15 mins later I called the tower supervisor via satcom. I continued the flight without further incident. Supplemental information from acn 496880: while turning into position, captain and I agreed that we had been cleared for takeoff and I acknowledged takeoff clearance to tower, and did not hear any contradiction.
Original NASA ASRS Text
Title: A B767 CREW ON TKOF AT ORD SAW AN ACFT ROTATING ON AN INTERSECTING RWY AS THEY PASSED THE INTXN TO THAT RWY.
Narrative: LOCATION: ORD RWY 32R. AFTER BEING CLRED TO POS AND HOLD RWY 32R AND WHILE LINING UP, WE HEARD A TKOF CLRNC. THE FO AND I VERBALLY ACKNOWLEDGED TO EACH OTHER THAT WE WERE CLRED TO GO. I HEARD THE FO REPEAT THE CLRNC TO THE TWR OVER THE AIR. I COMMENCED THE TKOF ROLL. IN THE RWY 9L/32R INTXN AND NOT BEFORE THAT, I SAW AN ACFT ROTATE ABOUT 2000-3000 FT FROM US. TWR THEN ASKED US WHAT WE WERE DOING AND WE TOLD HIM THAT WE HEARD AND ACKNOWLEDGED OUR TKOF CLRNC. HE INFORMED US THAT WE WERE WRONG. ABOUT 15 MINS LATER I CALLED THE TWR SUPVR VIA SATCOM. I CONTINUED THE FLT WITHOUT FURTHER INCIDENT. SUPPLEMENTAL INFO FROM ACN 496880: WHILE TURNING INTO POS, CAPT AND I AGREED THAT WE HAD BEEN CLRED FOR TKOF AND I ACKNOWLEDGED TKOF CLRNC TO TWR, AND DID NOT HEAR ANY CONTRADICTION.
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.