NAVIGATION AIDS:

In order of usefulness: 1. Tactical Nav system 2. Singularity engine SETA *  3. Trading Extension 4. MARS * system 5. Docking Computer speeds things up a lot - available at 1-7P 6. Ecliptic Projector 7. Binoculars  8. SETA * Boost Upgrade  Cost 505 144 32.400 38.448 10.800 4.890 1.440 88.560 Command N P I U D F5 Alt Shift-J

The manual is pretty good at telling what these do.  EXCEPT:     * The SETA engine is referred to as SINZA in the manual.     * The MARS system "Motion Analysis Relay System" (autopilot) - for combat aka ZIPER Target       Projector, found at Split SED 6-0S     * The SETA boost is referred to as SINZA boost in the manual. Found at 2-1A