A CL604 flight crew experienced an RA with a cessna shortly after takeoff.

Attributes
ACN	793353
Time
Date	200806
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : mmu.airport
State Reference	NJ
Altitude	msl single value : 1700
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zny.artcc
Operator	general aviation : corporate
Make Model Name	Challenger CL604
Operating Under FAR Part	Part 91
Flight Phase	climbout : initial
Route In Use	departure sid : n/s
Flight Plan	IFR
Aircraft 2
Make Model Name	Cessna Aircraft Undifferentiated or Other Model
Person 1
Affiliation	company : corporate
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 60 flight time total : 10500 flight time type : 400
ASRS Report	793353
Events
Anomaly	conflict : airborne critical
Independent Detector	other flight crewa
Resolutory Action	flight crew : took evasive action
Miss Distance	horizontal : 500 vertical : 300
Supplementary
Problem Areas	ATC Human Performance Flight Crew Human Performance
Primary Problem	Ambiguous

Narrative:

After takeoff mmu runway 23 around 1700 ft MSL had a TA followed by an RA TCAS alert and a maneuver to avoid single engine cessna at 2000 ft MSL.

Original NASA ASRS Text

Title: A CL604 FLT CREW EXPERIENCED AN RA WITH A CESSNA SHORTLY AFTER TAKEOFF.

Narrative: AFTER TKOF MMU RWY 23 AROUND 1700 FT MSL HAD A TA FOLLOWED BY AN RA TCAS ALERT AND A MANEUVER TO AVOID SINGLE ENG CESSNA AT 2000 FT MSL.

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