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A BE350 took off on runway 3 at mkc when traffic was on short final to runway 21 because the tower clearance was not clear.
| Attributes | |
| ACN | 702665 |
| Time | |
| Date | 200607 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : mkc.airport |
| State Reference | CO |
| Altitude | agl single value : 50 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : mkc.tower |
| Operator | general aviation : corporate |
| Make Model Name | Super King Air 350 |
| Operating Under FAR Part | Part 135 |
| Navigation In Use | other |
| Flight Phase | climbout : takeoff |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | tower : mkc.tower |
| Make Model Name | Piper Single Undifferentiated or Other Model |
| Operating Under FAR Part | Part 91 |
| Flight Phase | descent : approach |
| Person 1 | |
| Affiliation | company : corporate |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : cfi pilot : atp pilot : multi engine pilot : instrument pilot : commercial |
| Experience | flight time last 90 days : 40 flight time total : 3080 flight time type : 200 |
| ASRS Report | 702665 |
| Person 2 | |
| Affiliation | company : corporate |
| Function | flight crew : first officer |
| Events | |
| Anomaly | conflict : airborne critical non adherence : clearance non adherence : far |
| Independent Detector | other flight crewa |
| Resolutory Action | controller : issued new clearance controller : separated traffic flight crew : took evasive action |
| Miss Distance | horizontal : 5000 vertical : 500 |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance ATC Human Performance |
| Primary Problem | Ambiguous |
Narrative:
ATIS reported runway 21 in use; ground cleared us to taxi to runway 3 hold short at taxiway D. While holding; ground control xferred us to tower frequency. Tower cleared us to: 'north-number; back-taxi approved; when ready fly runway heading; cleared for takeoff.' runway was not specified. Since ground cleared us to runway 3; we assumed the back-taxi was for runway 3. As we took off we noticed another plane turning short final for runway 21 directly at us; we took evasive action to the right. Tower then instructed cherokee on short final to go around and take an immediate right turn. Tower apologized for the miscom. Other aircraft was no closer than 1 mi and the TCAS never gave a traffic alert.
Original NASA ASRS Text
Title: A BE350 TOOK OFF ON RWY 3 AT MKC WHEN TFC WAS ON SHORT FINAL TO RWY 21 BECAUSE THE TWR CLRNC WAS NOT CLR.
Narrative: ATIS RPTED RWY 21 IN USE; GND CLRED US TO TAXI TO RWY 3 HOLD SHORT AT TXWY D. WHILE HOLDING; GND CTL XFERRED US TO TWR FREQ. TWR CLRED US TO: 'N-NUMBER; BACK-TAXI APPROVED; WHEN READY FLY RWY HDG; CLRED FOR TKOF.' RWY WAS NOT SPECIFIED. SINCE GND CLRED US TO RWY 3; WE ASSUMED THE BACK-TAXI WAS FOR RWY 3. AS WE TOOK OFF WE NOTICED ANOTHER PLANE TURNING SHORT FINAL FOR RWY 21 DIRECTLY AT US; WE TOOK EVASIVE ACTION TO THE R. TWR THEN INSTRUCTED CHEROKEE ON SHORT FINAL TO GO AROUND AND TAKE AN IMMEDIATE R TURN. TWR APOLOGIZED FOR THE MISCOM. OTHER ACFT WAS NO CLOSER THAN 1 MI AND THE TCAS NEVER GAVE A TFC ALERT.
Data retrieved from NASA's ASRS site as of January 2009 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.