Large Transport; Low Wing; 2 Turbojet Eng
Flight Crew Air Transport Pilot (ATP); Flight Crew Instrument; Flight Crew Multiengine
Communication Breakdown; Confusion; Situational Awareness
Deviation / Discrepancy - Procedural Published Material / Policy
Flight Crew Requested ATC Assistance / Clarification
Airport; Chart Or Publication
Given taxi instructions to [Taxiway] B1. [Taxiway] B1 is referenced in HS1; [Taxiway] B1 is not designated on the 10-9 (airport diagram). B1 needs to be added to airport diagram.
First Officer reported charting error on page 10-9 on the Airport Diagram.