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2 same company aircraft with indentfiers the same except for 1 digit. Controller transposed #south in giving takeoff clearance.
| Attributes | |
| ACN | 168715 |
| Time | |
| Date | 199101 |
| Day | Sun |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : jfk |
| State Reference | NY |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Light Transport, Low Wing, 2 Turboprop Eng |
| Flight Phase | climbout : takeoff ground : holding ground other : taxi |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : commercial pilot : instrument |
| Experience | flight time last 90 days : 250 flight time total : 5700 flight time type : 3700 |
| ASRS Report | 168715 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| Events | |
| Anomaly | other anomaly other other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | controller : issued new clearance |
| Consequence | Other |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | other |
Narrative:
I taxied from company gate at jfk as XXX commuter flight. Also taxiing out at this time from our gate via F taxiway was company flight xxy to phl. Ground control instructed me to taxi to runway 31R, 2A intersection via 2A taxiway. I read back the instructions as XXX. Shortly thereafter tower told us to taxi into position and hold 31R. Once again we answered as XXX. Within seconds xxy advised jfk tower that he was ready. Tower instructed XXX cleared for takeoff runway 31L, traffic 5 mi out. I responded to the tower's call, telling him that XXX was on and holding runway 31R, intersection 2A. He replied 'ok, just give me a quick turn after departure to 090 degrees, cleared for takeoff.' I made him aware of the fact that xxy was company at runway 31L. Upon returning to home base I advised/informed company of the similar flight #south departing jfk at the same and the possibility of confusion.
Original NASA ASRS Text
Title: 2 SAME COMPANY ACFT WITH INDENTFIERS THE SAME EXCEPT FOR 1 DIGIT. CTLR TRANSPOSED #S IN GIVING TKOF CLRNC.
Narrative: I TAXIED FROM COMPANY GATE AT JFK AS XXX COMMUTER FLT. ALSO TAXIING OUT AT THIS TIME FROM OUR GATE VIA F TXWY WAS COMPANY FLT XXY TO PHL. GND CTL INSTRUCTED ME TO TAXI TO RWY 31R, 2A INTXN VIA 2A TXWY. I READ BACK THE INSTRUCTIONS AS XXX. SHORTLY THEREAFTER TWR TOLD US TO TAXI INTO POS AND HOLD 31R. ONCE AGAIN WE ANSWERED AS XXX. WITHIN SECS XXY ADVISED JFK TWR THAT HE WAS READY. TWR INSTRUCTED XXX CLRED FOR TKOF RWY 31L, TFC 5 MI OUT. I RESPONDED TO THE TWR'S CALL, TELLING HIM THAT XXX WAS ON AND HOLDING RWY 31R, INTXN 2A. HE REPLIED 'OK, JUST GIVE ME A QUICK TURN AFTER DEP TO 090 DEGS, CLRED FOR TKOF.' I MADE HIM AWARE OF THE FACT THAT XXY WAS COMPANY AT RWY 31L. UPON RETURNING TO HOME BASE I ADVISED/INFORMED COMPANY OF THE SIMILAR FLT #S DEPARTING JFK AT THE SAME AND THE POSSIBILITY OF CONFUSION.
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.