Commercial Fixed Wing
Human-Machine Interface
Deviation - Track / Heading All Types; Deviation / Discrepancy - Procedural Clearance; Deviation / Discrepancy - Procedural Published Material / Policy
Flight Crew FLC Overrode Automation; Flight Crew Returned To Clearance
Aircraft; Chart Or Publication
We were assigned the Van Nuys 3 departure. I planned on using the autopilot to minimize workload and armed nav while taxiing for departure. The departure basically says to make a climbing turn to a 213 heading with altitude specified by ATC and expect a vector to VNY VOR. During the departure with the autopilot engaged we turned beyond 213 degrees. ATC queried us about our heading and I disconnected the autopilot and turned back to a 213 heading.I may be mistaken but I think there is a difference in the Van Nuys 3 from Runway 15 between the FMS and JeppFD Pro. I think the FMS was turning us to the VNY VOR after the 213 heading. Please compare the procedures. Clearly; I should have applied CAMI and intervened. But; I didn't expect that there would be an issue so I wasn't ready for it.
Corporate jet First Officer reported a possible discrepancy between the FMS and the Jeppesen versions of the VNY Van Nuys 3 to Runway 15 departure; which resulted in a course deviation.