Airman Certification Standards
ACS AM.II.J
Area II, Task J
Knowledge
Fuel system types.
Fuel system components, including filters and selector valves.
Aircraft fuel tanks/cells
Fuel transfer, fueling, and defueling.
Fuel jettisoning/dump systems.
Characteristics of fuel types.
Fuel system maintenance and inspection.
Fuel quantity indication. Risk Management The applicant demonstrates the ability to identify, assess, and mitigate risks associated with:
Risk Management
Fuel system maintenance.
Fuel system contamination.
Fuel spills.
Fuel system maintenance requiring fuel tank entry.
Defueling aircraft. Skills The applicant demonstrates the ability to:
Skill
Inspect, check, troubleshoot, or repair a fuel system.
Inspect a metal, bladder, or integral fuel tank.
Troubleshoot and repair aircraft fuel system.
Inspect a fuel selector valve.
Inspect and check manually-operated fuel valves for proper operation and leaks.
Troubleshoot a fuel valve problem.
Drain fuel system sump(s).
Service a fuel system strainer.
Inspect a fuel quantity indicating system.
Locate fuel system operating instructions.
Locate fuel system inspection procedures.
Locate fuel system crossfeed procedures.
Locate fuel system required placards.
Locate fuel system defueling procedures.
Troubleshoot fuel pressure warning system.
Locate troubleshooting procedures for fuel temperature systems.
Remove and install a fuel quantity transmitter. 36
Troubleshoot fuel quantity indicating system. 37 II. Airframe Subject K. Aircraft Electrical Systems Objective The following knowledge, risk management, and skill elements are required for aircraft electrical systems. Knowledge The applicant demonstrates understanding of:
Retrieved from ecfr.gov on July 17, 2026.