NSPS-THSOA Certified Hydrographer (CH) — Practice Test 2
The Certified Hydrographer (CH) exam, administered by the NSPS-THSOA Hydrographer Board, tests professional competency across six hydrographic surveying domains including bathymetry, positioning, nautical science, tides, seafloor imagery, and hydrographic specifications. The open-book exam consists of 160 multiple-choice questions completed in a single 3-hour proctored session.
160
Questions
180 min
Time Limit
70%
To Pass
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Exam Rules
- You can skip questions and return to them later
- Flag questions for review before submitting
- No feedback shown until you submit the entire exam
- Unanswered questions count as wrong — answer everything
- 10 pretest questions are mixed in and don't affect your score
- Timer auto-submits when time runs out
- Your progress is auto-saved every 30 seconds