The following maps were produced by the U.S. Central Intelligence Agency, unless otherwise indicated.
- 1:1,000,000 - Operational Navigation Chart, Sheet L-10 Indonesia; Malaysia; Singapore; Thailand [Not for navigational use] U.S. Defense Mapping Agency Aerospace Center, recompiled 1989 (14.0MB)
- 1:1,000,000 - International Map of the World, Sheet NA-48 U.S. Army Map Service, 1965 (6.1MB)
- 1:500,000 - Tactical Pilotage Charts U.S. National Imagery and Mapping Agency. Not for navigational use
- This series covers Singapore
- 1:63,360 - Singapore Island Series 4203, U.S. Army Map Service, 1944
Maps on Other Web Sites