Block 18 - Hangar Familiarization Flashcards
What is the hangar designed to provide?
An environmentally protected area to protect the aircraft from the elements
What are the 3 types of hangars?
- Type 1
- Type 2
- Type 3
Specs of a Type 1 Hangar
Primarily used for carrier aircraft
235 ft W x 85 ft Deep
Specs of a Type 2 Hangar
Primarily used for USMC aviation
325ft W x 119ft Deep
Specs of a Type 3 Hangar
Used for land based & large transport aircraft
165ft W x 165ft Deep
What items are required for shore based hangars? (5)
- Painted red lines to divide the hangars from the workcenters
- CO2 bottles on bulkhead above the deck
- Electrical systems to provide aircraft with power
- Manual or automatic operating hangar doors
- Grounding points that provide a 10 ohm or less to ground
What are the hangar protection requirements for the protection of the aircraft? (5)
- Low level AFFF system
- Overhead sprinkler system to extinguish building fire as well as the aircraft
- Optical detection system to activate AFFF system
- Drainage system
- Draft curtains, to prevent cooling to sprinklers, allowing earlier detection to flames
What is the estimated cost for a false activation of the extinguishing system?
> $80,000
Why does the estimated cost for the false activation cost so much?
- Damage to aircraft
- Recharging the system
- Run-off retention
- AFFF removal
- Manpower expenses
What is the largest shipboard hangar?
CVN hangars
How many aircraft can CVN hangars hold?
Up to 60 aircraft
How long does it take for the hangar doors take to close to prevent the spread of a fire?
18 seconds
What type of fire protection system does shipboard hangars have?
AFFF system
