<< >> NASA ASRS Report 414863, September 1998

An atx C207 claims that the local controller on 2 separate occasions cleared a departing aircraft for takeoff opposite direction when he was on base leg.

Attributes
ACN	414863
Time
Date	199809
Day	Wed
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : mri
State Reference	AK
Altitude	agl bound lower : 0 agl bound upper : 200
Environment
Light	Daylight
Aircraft 1
Operator	common carrier : air taxi
Make Model Name	Cessna Stationair/Turbo Stationair 7/8
Operating Under FAR Part	Part 135
Flight Phase	landing other
Aircraft 2
Operator	common carrier : air taxi
Make Model Name	Helicopter
Operating Under FAR Part	Part 135
Flight Phase	climbout : takeoff
Person 1
Affiliation	company : air taxi
Function	flight crew : single pilot
Qualification	pilot : commercial
Experience	flight time last 90 days : 250 flight time total : 7000 flight time type : 2000
ASRS Report	414863
Person 2
Affiliation	company : air taxi
Function	flight crew : single pilot
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	conflict : airborne less severe non adherence : published procedure non adherence : required legal separation
Independent Detector	other flight crewa
Resolutory Action	flight crew : took evasive action
Consequence	Other
Miss Distance	horizontal : 1500
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

Sep/xx/98 at approximately XA30 hours. Atx X, a C207, had been cleared to land runway 33 at merrill field at anc. Just prior to turning on a close in base to final, tower clears atx Y, a helicopter, to depart runway 15. Both aircraft had to maneuver to avoid a collision. Also forced atx X to be placed in danger of helicopter's rotor wash. At approximately XB35 hours, atx Z, a C207, was cleared to land runway 33 merrill field. While atx Z was on close in left base, atx X was cleared to depart runway 15. Both aircraft had to maneuver to avoid a collision.

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Original NASA ASRS Text

Title: AN ATX C207 CLAIMS THAT THE LCL CTLR ON 2 SEPARATE OCCASIONS CLRED A DEPARTING ACFT FOR TKOF OPPOSITE DIRECTION WHEN HE WAS ON BASE LEG.

Narrative: SEP/XX/98 AT APPROX XA30 HRS. ATX X, A C207, HAD BEEN CLRED TO LAND RWY 33 AT MERRILL FIELD AT ANC. JUST PRIOR TO TURNING ON A CLOSE IN BASE TO FINAL, TWR CLRS ATX Y, A HELI, TO DEPART RWY 15. BOTH ACFT HAD TO MANEUVER TO AVOID A COLLISION. ALSO FORCED ATX X TO BE PLACED IN DANGER OF HELI'S ROTOR WASH. AT APPROX XB35 HRS, ATX Z, A C207, WAS CLRED TO LAND RWY 33 MERRILL FIELD. WHILE ATX Z WAS ON CLOSE IN L BASE, ATX X WAS CLRED TO DEPART RWY 15. BOTH ACFT HAD TO MANEUVER TO AVOID A COLLISION.

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.