Near midair collision between a departure B222 and a departure C150 at a non tower airport at iow.

Attributes
ACN	633653
Time
Date	200410
Day	Mon
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : iow.airport
State Reference	IA
Altitude	agl bound lower : 50 agl bound upper : 250
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : iow.tower
Operator	common carrier : air taxi
Make Model Name	Bell Helicopter 222
Operating Under FAR Part	Part 135
Flight Phase	climbout : takeoff
Flight Plan	VFR
Aircraft 2
Make Model Name	Cessna 150
Flight Phase	climbout : takeoff
Person 1
Affiliation	company : air taxi
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time total : 16000 flight time type : 3000
ASRS Report	633653
Person 2
Affiliation	company : air taxi
Function	flight crew : first officer
Events
Anomaly	conflict : nmac non adherence : far non adherence : published procedure non adherence : required legal separation other anomaly other other spatial deviation
Independent Detector	other flight crewa
Resolutory Action	none taken : insufficient time
Miss Distance	horizontal : 400 vertical : 200
Supplementary
Problem Areas	Flight Crew Human Performance Airport
Primary Problem	Flight Crew Human Performance

Narrative:

Called on CTAF (122.8) prior to departure. Stated intentions to depart north with turn out to west. Heard no reply from any other aircraft. Departed to north and observed C150 on takeoff approximately 50 ft AGL. We passed in front of the cessna about 200 ft vertically and 400 ft horizontally. The cessna was departing runway 7 at iowa city.

Original NASA ASRS Text

Title: NMAC BTWN A DEP B222 AND A DEP C150 AT A NON TWR ARPT AT IOW.

Narrative: CALLED ON CTAF (122.8) PRIOR TO DEP. STATED INTENTIONS TO DEPART N WITH TURN OUT TO W. HEARD NO REPLY FROM ANY OTHER ACFT. DEPARTED TO N AND OBSERVED C150 ON TKOF APPROX 50 FT AGL. WE PASSED IN FRONT OF THE CESSNA ABOUT 200 FT VERTLY AND 400 FT HORIZLY. THE CESSNA WAS DEPARTING RWY 7 AT IOWA CITY.

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.