| Engineer Licenses | Unlimited License Mariners |
|---|---|
| Motor Vessels-any horsepower | |
| Chief Engineer | 36% |
| First Assistant Engineer | 14% |
| Second Assistant Engineer | 10% |
| Third Assistant Engineer | 37% |
| Steam Vessels-any horsepower | |
| Chief Engineer | 28% |
| First Assistant Engineer | 15% |
| Second Assistant Engineer | 10% |
| Third Assistant Engineer | 35% |
| Motor vessels-limited horsepower | |
| Chief Engineer | 11% |
| Assistant Engineer | 2% |
| Designated Duty Engineer | 4% |
| Gas Turbine Vessels-any horsepower | |
| Chief Engineer | 19% |
| First Assistant Engineer | 8% |
| Second Assistant Engineer | 5% |
| Third Assistant Engineer | 9% |
| Other Engineer License | 4% |
NOTE: Percentages sum to greater than 100% because respondents were allowed to mark all licenses that they held whether active, inactive, or expired.
SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics and Maritime Administration, 2002 Mariner Survey, Principal Findings, Washington, DC.