HANGAR FAMILIARIZATION

Question 1

What are the three types of aircraft hangars?

Answer 1

1. Type I maintenance hangar
2. Type II hangar
3. Type III maintenance hangar

Question 2

What is a TYPE I maint. Hangar used for?

Answer 2

Primarily designed for carrier aircraft, but is adaptable to meet requirements for rotary wing and various types of smaller aircraft.

Question 3

O1 & O2 level spaces are configured for what?

Answer 3

Typical strike fighter squadron, two carrier airborne early warning squadrons or a helicopter antisubmarine warfare squadron.

Question 4

What are the measurements of a Type I hangar bay module?

Answer 4

235’ feet wide by 85’ deep

Question 5

What is a TYPE II maint. Hangar used for?

Answer 5

Primarily provided for U.S. Marine Corps Aviation. This hangar is designed to accommodate CH-53 helicopters, V-22 Ospreys and C-130 hercules aircraft. This type of hangar may also accommadate Navy versions of the C-130, V-22 and H-53 aircraft.

Question 6

What are the measurements of a Type II hangar bay module?

Answer 6

119’ feet deep by 325 feet wide

Question 7

What is a TYPE III maint. Hangar used for?

Answer 7

Principally designed for land based patrol and large transport aircraft.

Question 8

What are the measurements of a Type II hangar bay module?

Answer 8

165’ feet deep by 165’ feet wide

Question 9

What are so pecuilar items that you may see in a shore based hanger?

Answer 9

1. A painted red fire line adjacent to the bulkhead that dvides the hangar from the maintenance workcenters must be kept clear at all time2 2. Portable CO2 fire extinguisers mounted on the bulkhead above the deck 3. Aircraft electrical systems with cords for applying external power to the aircraft 4. Manually or automatically operated hangar door for securing access to the space and sealing off elements. 5. Aircraft grounds that provide a 10 ohm or less point to ground and discharge stray voltage are located on a pattern grid throughout the hangar deck.

Question 10

What is important to have fire protection systems in an aircraft hangar?

Answer 10

They are paramount when assessing value of the aircraft being stored compared to the value of the building.

Question 11

Fill in the Blank Aircraft stored inside a hangar could cost up to ____ times the value of the building. 10

Answer 11

FALSE

Question 12

True or False The likelihood of a fire in a hangar is very low is due to the mixture of flammable HAZMAT, aircraft materials, and heat producing devices installed in naval aircraft.

Answer 12

FALSE

Question 13

Why is hangar protection requirements for the protection of high value aircraft are?

Answer 13

1. A low level AFFF system with low profile nozzles designed for a high degree of reliability and low maintenance requirements.
2. A closed head water only overhead sprinkler system designed to protect the building and provide cooling to adjacent aircraft.
3. Optional detection system to limit the low level AFFF system.
4. Appropriate drainage systems to limit any spill pool size and contain AFFF.
5. Draft curtains, to prevent cooling of the sprinkler heads, allowing earlier detection of heat sources

Question 14

Why is training on the AFFF system so important?

Answer 14

An accidental release causes such as loss man-hours, materials, readiness and financial burden.

Question 15

What is the estimated cost for a false activation of the AFFF system?

Answer 15

In excess $80,000 due to the following:

1. Damage to aircraft
2. Cost to recharge the system
3. Cost of run-off retention
4. Cost of AFFF removal
5. Associated manpower expenses

Question 16

What type of hangars are installed on aviation capable ships ?

Answer 16

LHD’s to the CVN’s

Question 17

What are some important things know about hangar bays on a CVN?

Answer 17

110’ feet wide by 685’ feet long with a 25 ‘ foot overhead clearance