RMIT飞行训练课件－VORIntercepts VOR截获

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Intercept Angle
VOR Intercepts
Mass Brief
Aim
• To understand the principles of conducting
VOR intercepts and to use them practically
in aiding visual navigation.
Application
• Supplement visual navigation
• Night rating
• Instrument flying
Overview
• Revision
• Definitions
• Principles
• Considerations
– Intercepts
• Air Exercise
• Airmanship
Revision
• The VOR system has various limitations and
errors that must be considered. These are:
V
A
G
A
S
T
– Vertical Polarization
– Airborne Equipment Error
– Ground Station
– Aggregate Error
– Site Error
– Terrain Effect
Revision
• VOR Checks
TI
T•
VOR Rated Coverage
< 5,000ft –
5,000ft to 10,000ft –
10,000ft to 15,000ft –
– Tune
– Identify
– Test
60 nm
90 nm
120 nm
Definitions
• Command Sense
360 FROM RADIAL
In Command
In Command
Not in Command
Principles
• Command/not in command
Definitions
• Intercept Angle
– Is the angle between the aircraft’s position
and the radial you want to be on.
– An intercept angle must be known so a HDG
can be calculated and used to cross the
required radial to be intercepted.
Intercept Angle
Intercepts that can be conducted include:
• LIKE – Inbound to Inbound, and Outbound
to Outbound
• UNLIKE – Inbound to Outbound, and
Outbound to Inbound.
Definitions
Intercept Angle
Intercept Angle
Principles
• Intercept
– The following five questions will ensure
accurate intercepts:
1. Where am I? (Orientation)
2. Where do I want to be?
3. Which way do I turn? (Shortest way)
4. What HDG do I take up?
5. How do I know when I’m there?
Intercept Angle
Considerations
• Intercept Angle
– Is at pilot’s discretion. Normally use angles
like 30, 45 and 60 for ease of calculation.
– Generally speaking use 30 for outbound
intercepts and 60 for inbound intercepts.
Distance
– VOR doesn’t tell you how close you are to a
station, only your angle.
Intercept Angle
Air Exercise
• Outbound - Outbound
1. Where am I? (Orientation)
2. Where do I want to be?
3. Which way do I turn? (Shortest
way)
4. What HDG do I take up?
5. How do I know when I’m
there?
30º
030º M Outbound
Air Exercise
• Outbound - Outbound
1. Where am I? (Orientation)
2. Where do I want to be?
3. Which way do I turn? (Shortest
way)
4. What HDG do I take up?
5. How do I know when I’m
there?
30º Intercept
330º M Outbound
Air Exercise
• Inbound - Inbound
1. Where am I? (Orientation)
2. Where do I want to be?
3. Which way do I turn? (Shortest
way)
4. What HDG do I take up?
5. How do I know when I’m
there?
60º
330º M
Inbound
Air Exercise
• Inbound - Inbound
1. Where am I? (Orientation)
2. Where do I want to be?
3. Which way do I turn? (Shortest
way)
4. What HDG do I take up?
5. How do I know when I’m
there?
60º Intercept
030º M Inbound
30º
Air Exercise
• Inbound – Outbound
1. Where am I? (Orientation)
2. Where do I want to be?
3. Which way do I turn? (Shortest
way)
4. What HDG do I take up?
5. How do I know when I’m
there?
150º M
Outbound
Air Exercise
• Inbound – Outbound
1. Where am I? (Orientation)
2. Where do I want to be?
3. Which way do I turn? (Shortest
way)
4. What HDG do I take up?
5. How do I know when I’m
there?
30º Intercept
240º M Outbound
60º
Air Exercise
• Outbound - Inbound
1. Where am I? (Orientation)
2. Where do I want to be?
3. Which way do I turn? (Shortest
way)
4. What HDG do I take up?
5. How do I know when I’m
there?
210º M Inbound
Air Exercise
• Outbound - Inbound
1. Where am I? (Orientation)
2. Where do I want to be?
3. Which way do I turn? (Shortest
way)
4. What HDG do I take up?
5. How do I know when I’m
there?
60º Intercept
240º M Inbound
Airmanship
• Taxi checks
• TIT checks
• Always ask the five questions
• Ensure DG aligned to compass!
• Be aware of VOR limitations
• Limit bank angle to rate one turns
• Lookout

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