Exam Questions and Correct Answers
(Verified Answers) Plus Rationales 2025
1. What is the primary objective of ARFF operations during an aircraft
emergency?
A. Extinguish the fire
B. Rescue occupants
C. Protect the airport property
D. Save cargo
The primary objective of ARFF is life safety — rescuing
passengers and crew before extinguishing fire.
2. Which type of fuel is most commonly used in commercial jet aircraft?
A. AVGAS 100LL
B. Jet A
C. Diesel
D. JP-5
Jet A is the standard commercial turbine engine fuel in the United
States.
3. The initial response area for ARFF operations typically includes which of the
following?
,A. Terminal only
B. Hangars only
C. Runways and taxiways
D. Public access roads
Runways and taxiways are the most critical areas during an
aircraft emergency.
4. The flash point of Jet A fuel is approximately:
A. 10°F
B. 100°F
C. 212°F
D. 500°F
Jet A has a flash point around 100°F, making it safer than
AVGAS.
5. What is the role of the incident commander at an aircraft incident?
A. Fight fire directly
B. Coordinate all responding units
C. Evacuate the airport
D. Inspect aircraft damage
The IC manages strategy, resources, and coordination.
6. The term “hot brakes” refers to:
A. A fire in the cockpit
B. Overheated landing gear brakes
C. A failed APU
,D. High cabin temperature
After landing, brakes can overheat and potentially ignite tires.
7. What is the most effective firefighting agent for a three-dimensional fuel
fire?
A. Water
B. Dry chemical
C. Aqueous Film Forming Foam (AFFF)
D. CO₂
AFFF blankets the fuel surface, preventing vapor release and
extinguishing fire.
8. In ARFF terminology, what does the term “post-crash fire” refer to?
A. Fire during engine startup
B. Fire in the galley
C. Fire that occurs after aircraft impact
D. Electrical malfunction
Post-crash fire typically starts when fuel is released and ignited
during or after impact.
9. What color code identifies aviation gasoline (AVGAS) 100LL?
A. Yellow
B. Red
C. Blue
D. Green
AVGAS 100LL is dyed blue to distinguish it from other fuels.
, 10. What is the minimum number of ARFF vehicles required for an Index D
airport under FAA Part 139?
A. 1
B. 3
C. 5
D. 2
Index D airports must have three ARFF vehicles per FAA
regulation.
11. What is the primary hazard of magnesium in aircraft fires?
A. Toxic vapor
B. High-temperature combustion
C. Explosion
D. Slippery residue
Magnesium burns at extremely high temperatures and reacts
violently with water.
12. A Halotron fire extinguisher is typically used for which fire classes?
A. Class B and C
B. Class D only
C. Class A only
D. Class K
Halotron is suitable for flammable liquids and electrical
equipment.