A remote pilot contacts Flight Service to obtain NOTAMs for a planned operation near Portland International Airport (PDX) and receives the following: !ORD 24/045 PDX TWY A CLSD BTN AB AND C EXC EMERG. What does this NOTAM indicate?

(Refer to the provided figure, sectional chart excerpt.) A remote PIC plans sUAS operations within the Class D airspace surrounding the airport depicted in the excerpt and obtains an airspace authorization via LAANC. To comply with airspace operational requirements, what is the most appropriate next step for obtaining applicable NOTAMs?

(Refer to Figure 79.) To obtain NOTAMs for Sioux Gateway/Col Bud Day Field through Flight Service, which filing identifier is indicated in the Chart Supplement excerpt?

A remote pilot-in-command (RPIC) is at a remote field with cellular telephone service but no internet access, preparing to conduct a small UAS operation near a nearby Class G airport. To obtain any established NOTAMs for the airport through Flight Service as required for preflight planning, the RPIC should

A remote pilot-in-command (PIC) wants to obtain current NOTAM information for a planned sUAS operation through Flight Service. Which method correctly utilizes the Flight Service system?