Unit 1.2: Safety
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List three sources of antenna radiation.
- High frequency radio transmitters
- Electronic countermeasure devices
What are the effects of antenna radiation on the human body and vital organs?
- Burns beneath the skin
- Eye cataracts
- Cook organs from the inside
Briefly describe the hazards associated with an overheated brake assembly.
- Weaken wheel and tire structure
- Increase tire pressure
- Creates the possibility of fire in magnesium wheels
- Blow out
From what direction do you approach an aircraft with overheated brakes?
From nose or tail, never in line with axles
List the major danger areas around an operating jet engine.
- Turbine plane of rotation
- High intensity sound
What's normally considered a safe distance from an operating jet engine intake?
What is normally considered a safe distance to the rear of jet engine exhaust?
Why is the plane of rotation of the engine turbine wheel considered dangerous?
If the turbine disintegrates, the shrapnel will exit there
In addition to earplugs, what protective device do you wear while working in high intensity noise areas?
Ear defenders or headset
Define an explosives loaded aircraft.
Carries munitions internally or externally
Where must an explosives loaded aircraft be parked?
Designated explosives parking area
Which personnel are allowed to remove safety devices from explosive devices?
Weapons personnel ONLY
Describe a composite material.
Lighter and stronger material used on the aircraft that may pose a health hazard
As a minimum, what should the job safety training on composite materials include?
- Need for and use of PPE
- Maintenance and care of PPE
- Safe chemical handling procedures
- Emergency treatment practices
Besides being assigned to a crash recovery team, as a flight-line crew chief what is your most likely chance of being affected by the dangers of composite materials?
Why should AF personnel be so concerned with FOD?
- Poses threat to personnel and aircraft
- Loss of resources, money, or life
What can happen when loose objects are blown or washed onto the runway?
Can be ingested into and aircraft engine intake
Who is tasked with the overall responsibility of the FOD prevention program?
Wing Vice Commander
Who is responsible for preventing FOD by looking for and removing hazards?
What must all workers account for at the beginning and end of each maintenance action?
If a missing tool is not found after a thorough initial search is completed, who initiates a lost tool report?
The person who was issued the tool
What must you wear when you are required to physically enter an aircraft engine's intake or exhaust?
Pocket-less coverall (bunny suit) or equivalent
To whom should you report damaged paving in aircraft parking areas and taxiways for immediate repair?
Base airfield manager
What is a dropped object as it relates to aircraft operations?
- Aircraft part
Who must develop a DOPP?
All units that fly, maintain, or service the aircraft
What are the prime contributors to dropped objects?
Latches and fasteners
Who normally must investigate incidents as soon as they are discovered?
What references provide guidance for servicing operations?
During fuel servicing, what three important points should you keep in mind?
- Use the right grade of fuel
- Protect yourself from health hazards
- Prevent fires and explosions
What can result from prolonged fuel saturation on your skin?
Irritation and a severe rash
Why is it important to inspect fire extinguisher seals?
To make sure the fire extinguisher hasn't been discharged
What TO lists criteria for positioning fire extinguishers?
What's the minimum safe distance for operating ground power equipment during oxygen servicing?
What should you do if a control valve becomes clogged with ice during LOX servicing?
Thaw it with warm air or water
What device is used to prevent over-pressurization of an aircraft component during pneumatic servicing?
Why do many job guides list nitrogen as the preferred choice for servicing compressed gas components?
Inert qualities - does not react with other substances or support combustion
When servicing aircraft hydraulic systems, what three measures should you take to prevent contaminating the aircraft systems?
- When servicing form cans & drums, ensure that cleanliness and product integrity are maintained
- Keep products separate and identified
- Read label before dispensing hydraulic products
What references contain info about ground handling?
- AFI 11-218
- AFI 91-203
- TO 00-25-172
Where do most aircraft specific TOs list safe for maintenance precautions?
First couple of steps
Preparations for aircraft launch include what?
Checking forms and obtaining AGE
When the aircraft taxis after launch, what tasks are accomplished by the ground controller?
- Communicate with the flight crew
- Use hand signals to guide the crew in taxiing the aircraft
- Police the parking area
- Prepare AGE for pickup
During recovery, wing walkers are necessary under what conditions?
Congested area taxiing
Why should an aircraft be moved in a straight line for 5 feet after a turn?
Relieve loads on the main landing gear
As a general rule, where should you be positioned for marshaling your aircraft?
In front of the aircraft and left of the pilot
When is a safety observer positioned by a parked aircraft?
When any portion of the aircraft extends into an active taxiway
When mooring an aircraft, how do you position the aircraft in relation to the wind?
Heading into the wind
What are the usual causes of towing accidents?
Inexperienced personnel and incorrect towing procedures
What's the minimum number of tow crew members?
Three- Supervisor, Brake Operator & Vehicle Operator
During towing, why do you start and stop all movements slowly?
To prevent aircraft damage
What should you do before towing an aircraft across an active taxiway?
Obtain clearance from the control tower
In addition to your aircraft's -2 TO, what TO sets down the basic rules for grounding an aircraft?
What are some of the reasons for jacking an aircraft?
- Weighing an aircraft
- Service or maintenance on landing gear
What jacking accessory is positioned under reinforced areas of the aircraft and prevents damage to the aircraft structure?
If the aircraft TO doesn't establish it, what's the maximum wind velocity for a jacking operation?
What would you like to do?
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