<< >> NASA ASRS Report 321981, November 1995

Tower cleared reporter's baron for takeoff on runway 19, SVFR clearance. Second baron at runway 01 thought takeoff clearance was for her and taxied onto runway 01 and started takeoff. First baron saw second one and asked tower who was on the runway, and the second baron aborted and turned off on taxiway.

Attributes
ACN	321981
Time
Date	199511
Day	Wed
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : emt
State Reference	CA
Altitude	agl bound lower : 0 agl bound upper : 300
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : emt
Operator	general aviation : personal
Make Model Name	Baron 55/Cochise
Operating Under FAR Part	Part 91
Flight Phase	climbout : takeoff
Route In Use	approach : svfr
Aircraft 2
Make Model Name	Baron 55/Cochise
Operating Under FAR Part	Part 91
Flight Phase	climbout : takeoff
Route In Use	approach : svfr
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : private pilot : instrument
Experience	flight time last 90 days : 30 flight time total : 1500 flight time type : 900
ASRS Report	321981
Person 2
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : instrument
Events
Anomaly	conflict : nmac conflict : ground critical non adherence : clearance
Independent Detector	other flight crewa
Resolutory Action	flight crew : took evasive action
Consequence	faa : reviewed incident with flight crew
Miss Distance	horizontal : 500 vertical : 300
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Another baron was holding short of opposite runway. Tower cleared me for takeoff, other baron entered opposite runway and began takeoff. Visibility was 2 mi, it took me a second to realize and I immediately called on the radio, 'what is that other aircraft doing on the runway?' the other aircraft immediately exited the runway to the east, I broke ground and started an immediate turn to the west. There was no immediate danger. It is my judgement that the other pilot heard 'baron XXX cleared for takeoff' and thought she had been cleared. I had been cleared into position and hold 2 mins prior to takeoff, so there was no doubt that I had been the one cleared for takeoff. I confirmed this with ATC after my departure.

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Original NASA ASRS Text

Title: TWR CLRED RPTR'S BARON FOR TKOF ON RWY 19, SVFR CLRNC. SECOND BARON AT RWY 01 THOUGHT TKOF CLRNC WAS FOR HER AND TAXIED ONTO RWY 01 AND STARTED TKOF. FIRST BARON SAW SECOND ONE AND ASKED TWR WHO WAS ON THE RWY, AND THE SECOND BARON ABORTED AND TURNED OFF ON TXWY.

Narrative: ANOTHER BARON WAS HOLDING SHORT OF OPPOSITE RWY. TWR CLRED ME FOR TKOF, OTHER BARON ENTERED OPPOSITE RWY AND BEGAN TKOF. VISIBILITY WAS 2 MI, IT TOOK ME A SECOND TO REALIZE AND I IMMEDIATELY CALLED ON THE RADIO, 'WHAT IS THAT OTHER ACFT DOING ON THE RWY?' THE OTHER ACFT IMMEDIATELY EXITED THE RWY TO THE E, I BROKE GND AND STARTED AN IMMEDIATE TURN TO THE W. THERE WAS NO IMMEDIATE DANGER. IT IS MY JUDGEMENT THAT THE OTHER PLT HEARD 'BARON XXX CLRED FOR TKOF' AND THOUGHT SHE HAD BEEN CLRED. I HAD BEEN CLRED INTO POS AND HOLD 2 MINS PRIOR TO TKOF, SO THERE WAS NO DOUBT THAT I HAD BEEN THE ONE CLRED FOR TKOF. I CONFIRMED THIS WITH ATC AFTER MY DEP.

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.