block 4 unit 4

What does MOS stand for?

Minimum Operating Strip

What is the purpose of a MOS?

Base recovery after attack or launch and recovery of fighter aircraft

What markings are included in MOS markings?

Threshold markings, centerline markings, edge markers, aircraft arresting system markers, and DTG markers

What does DTG stand for?

Distance-to-Go

Can pavement markings and markers be used independently in a MOS?

Yes, they may be used together or separately

Who is responsible for ensuring markings are maintained IAW guidelines?

Landing Zone Safety Officer (LZSO) or equivalent

What does IAW stand for?

In Accordance With

Why can non-compliance with markings be unacceptable in contingency environments?

Because many airfields may have very few markings

What are the two types of LZ marking applications?

Temporary applications and long-term applications

What are temporary LZ markings usually made of?

Above ground marker panels

What are long-term LZ markings usually made of?

Painted pavement markings

What does LZ stand for?

Landing Zone

What are the two types of LZ markings?

Painted pavement markings and above ground marker panels

What marker panels are normally used for LZs?

VS-17 marker panels

What other panel may be used instead of VS-17 panels?

K-VAMP panels

How are above ground marker panels secured for day operations?

To upright supports

What lighting system is used for night operations on LZ markers?

Omni-directional visible lighting systems

What may be added to night lighting systems if required?

Strobe lights

Are painted pavement markings required on paved LZs?

No minimum requirement exists

Why are painted pavement markings preferred for long-term paved LZs?

To reduce maintenance

What color are threshold bars?

White

What is the purpose of a threshold bar?

To distinguish the overrun from the LZ runway surface

How wide should a threshold bar be?

4 feet wide

How far should a threshold bar extend?

Edge to edge

When are LZ edge stripes used?

When there is no visual distinction between the runway surface and paved shoulder

What color are LZ edge stripes?

White

How wide are LZ edge stripes?

1 foot wide

How long do LZ edge stripes extend?

The entire length of the LZ runway

How far must holding position markings be from the near edge of the runway?

Minimum 100 feet

What does AMP stand for?

Airfield Marking Pattern

How many standard AMP types exist?

Four

Which AMP types are still used?

AMP-1, AMP-3, and AMP-4

Why were only three AMP types kept in use?

To simplify mission tasking

How much underrun and overrun are required for all LZ operations?

300 feet each

What is AMP-1 normally used for?

Day or night VMC tactical airlift missions

What does VMC stand for?

Visual Meteorological Conditions

What minimum marking must remain during day VMC on well-defined runways in AMP-1?

Touchdown zone markings

Is AMP-2 still used?

No

What is AMP-3 known as?

Box and One configuration

What is the purpose of AMP-3?

Runway identification only

How far apart are the Box markings in AMP-3?

500 feet separation

What is unique about AMP-4?

No markings are required

What type of operations use AMP-4?

Covert operations

Which AMP uses the fewest visible markings while still providing runway identification?

AMP-3

Which AMP has absolutely no markings?

AMP-4

Which AMP supports tactical airlift missions in day or night conditions?

AMP-1

What is the main difference between temporary and long-term LZ markings?

Temporary uses panels while long-term uses painted markings

What is the main goal of contingency marking?

To provide safe aircraft operations in contingency environments