Air Ops Chapter 6 (Equipment) Flashcards
What is the normal and overload capacity of the LRU-25/A crew raft?
Normal capacity is six persons and overload capacity is nine persons.
How long does it take for the LRU-25/A to inflate?
Inflation time is 60 seconds.
What aircraft use the LRU-25/A crew raft?
H-60, H-65, and C-144 aircraft.
How is the canopy of the LRU-25/A supported?
By an arch tube that inflates using internal relief valves.
What is the purpose of the bottom tube’s ballasting system in the LRU-25/A?
To provide stability in the water.
What are the inspection intervals for the LRU-25/A crew raft?
Leak test every 360 days; functional test every third leak test or every 36 months.
What pressure does the external relief valve of the LRU-25/A operate at?
Approximately 3.2 PSIG.
How much CO2 is used in the LRU-25/A inflation assembly?
2.20 pounds of CO2 and 1.7 pounds of N2.
What is the inflation pull force range for the LRU-25/A?
6 to 15 pounds.
What type of material is used for the LRU-25/A’s canopy?
Lightweight urethane-coated nylon.
What liferaft is used as the HC-130 wing raft?
LRU-33/A.
How many people can the LRU-33/A accommodate under normal and overload conditions?
20 persons normally, 30 persons in overload.
What is the inflation time for the LRU-33/A?
30 seconds.
What material is the LRU-33/A made from?
Yellow urethane-coated nylon.
What is the operating pressure of the LRU-33/A at 70°F?
1.5 to 3.6 PSIG.
What is the function of the canopy arch tube on the LRU-33/A?
To support the canopy and prevent collapse.
What is the weight and buoyancy of the RSLR-1 liferaft?
Weighs 7 pounds and provides 180 pounds of buoyancy.
What aircraft uses the RSLR-1 liferaft?
Rotary wing aircraft for deployment to rescue swimmers.
What liferaft uses RF welding for seam construction?
RSLR-1.
How is the POD-8 liferaft constructed?
210 denier nylon, polyurethane double-coated fabric.
What is the buoyancy per person provided by the POD-8?
Over 200 pounds per person.
What system consists of three containers, including two POD-8 rafts?
ASRK-16.
What liferaft is used for mass rescue operations from a helicopter?
MRO 20-person liferaft.
How often are MRO liferafts repacked by the manufacturer?
Every 5 years.