Departing air carrier has a near midair collision with a military helicopter on takeoff.

Attributes
ACN	117619
Time
Date	198907
Day	Wed
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : bur
State Reference	CA
Altitude	agl bound lower : 50 agl bound upper : 50
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : bur
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Navigation In Use	Other
Flight Phase	climbout : takeoff climbout : initial
Route In Use	departure sid : sid
Flight Plan	IFR
Aircraft 2
Operator	other
Make Model Name	Helicopter
Flight Phase	climbout : takeoff
Route In Use	enroute : on vectors
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : instrument pilot : flight engineer pilot : commercial pilot : atp
Experience	flight time last 90 days : 120 flight time total : 9500 flight time type : 120
ASRS Report	117619
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	conflict : nmac incursion : runway non adherence : clearance
Independent Detector	other flight crewa
Resolutory Action	flight crew : took evasive action
Consequence	Other
Miss Distance	horizontal : 150 vertical : 0
Supplementary
Primary Problem	Ambiguous
Air Traffic Incident	Pilot Deviation

Narrative:

Army helicopter was cleared to depart to the west, but departed east. Before realizing mistake, the helicopter drifted across the departure end of the active runway. I had to deviate from the SID (vny 5) to avoid a collision with the helicopter.

Original NASA ASRS Text

Title: DEPARTING ACR HAS A NMAC WITH A MIL HELICOPTER ON TKOF.

Narrative: ARMY HELI WAS CLRED TO DEPART TO THE W, BUT DEPARTED E. BEFORE REALIZING MISTAKE, THE HELI DRIFTED ACROSS THE DEP END OF THE ACTIVE RWY. I HAD TO DEVIATE FROM THE SID (VNY 5) TO AVOID A COLLISION WITH THE HELI.

Data retrieved from NASA's ASRS site as of August 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.