Double Angle Off The Bow Method

Instrument Flight

Flight Procedures

Double Angle Off The Bow Method

As with the 30-degree

method, begin this intercept

AUTO

SCL

SEQ

by tuning the station and

W

80

T

Y

C

R -3 2 0

R -3 6 0

setting the desired inbound

P

3 2 0 /2 8 .0

3 2 0 /3 0 .0

N

33

T

30

0 6 :4 3

0 7 :1 2

course in the course select

V320

N

W

window. Now look from the

V

O

R

desired course on the

3

0

compass card to the head of

24

P

L

the bearing pointer used and

A

6

N

an equal number of degrees

21

250 G S

beyond. The heading located

C

W 0 3 0 /2 6

D

E

E.

I

an equal number of degrees

S

C

R

beyond the head of the

12

15

S

A

D

bearing pointer is the heading

320

I

320

HDG

DATA

AFT

MENU

CRS

you will fly to the intercept

040

E

(max 45 degrees). Turn the

D.

AUTO

SCL

SEQ

aircraft to this heading and

W

80

T

Y

C

P

C.

3 5 5 /4 4 .2

maintain it until you reach the

3 5 5 /4 5 .0

N

3

T

6

1 0 :4 8

1 1 :0 2

lead point and then complete

V 355

N

E

V

the intercept (Figure 18). You

O

B.

R

look from the desired course

R -1 4 0

33

A.

0

12

to the head of the bearing

P

R -1 8 0

L

pointer.

A

30

N

15

245G S

C

A . T u n e a n d id e n tify s ta tio n

W 0 3 0 /2 6

Outbound Intercepts

D

W

I

You can intercept a radial

S

B . S e t d e s ir e d c o u r s e

C

R

24

outbound from a station either

in c o u r s e s e le c t w in d o w

21

S

A

D

040

I

320

when you fly directly to a

HDG

C. L

oo

k fr o m d e s ir e d c o u r s e to th e h e a d

DATA

AFT

MENU

CRS

station and then pick up an

o

fb

e a r in g p o in te r a n d a n e q u a l n u m b e r

D

o

fd

e g r e e s b e y o n d to d e te r m in e in te r c e p t

outbound radial immediately

h

ea

d in g

AUTO

SCL

SEQ

after passing the station or

W

80

T

Y

C

P

3 6 0 /5 3 .9

3 6 0 /5 5 .0

N

D . T u r n to in te r c e p t h e a d in g

when you intercept an

T

1 2 :4 8

1 3 :1 8

3

33

outbound radial at some

V360

E . M a in ta in in te r c e p t h e a d in g u n til le a d

V

distance from the station.

p o in t a n d th e n c o m p le te in te r c e p t

O

6

30

R

The two outbound intercept

0

procedures discussed here

P

E

W

L

will address each of these

A

N

situations.

248 G S

W 0 3 0 /2 8

C

24

12

D

I

C

21

15

R

S

A

S

D

360

I

320

HDG

DATA

AFT

MENU

CRS

B

Figure 18: DOUBLE ANGLE OFF BOW METHOD

Page 68

(4-01) Original