Introduction to Radio Instruments
T-45C TS, ADV, & IUT RIFP-01
B.
Commence slowing to holding speed when within
Sg 10, fr 4
3 minutes prior to crossing holding fix at or below
All aircraft may hold at the following altitudes and
maximumholdingairspeeds:
max holding speed
ALTITUDE (MSL)
AIRSPEED (KIAS)
MHA--6,000 ft
200
6,001ft--14,000ft
230
1.
T-45C procedural holding speed: 200 KIAS
14,001ftandabove
265
not to exceed 14 units AOA; the NATOPS
Thefollowingareexceptionstothemaximumholding
airspeeds:
turbulence penetration airspeed for the
1. Holding patterns at USAF airfields only—310 KIAS
T-45C is 250 KIAS
maximumunlessotherwisedepicted.
2. HoldingatNavyfieldsonly—230KIASmaximum,
unlessotherwisedepicted.
NOTE: All aircraft may hold at the following
HOLDING AIRSPEEDS
altitudes and maximum holding airspeeds:
Sg 10, fr 5
ALTITUDE (MSL)
AIRSPEED (KIAS)
MHA--6,000 ft
200
6,001 ft--14,000 ft
230
14,001 ft and above
265
The following are exceptions to the maximum
holding airspeeds:
APPROACH PLATE-HOLDING ENTRY
1. Holding patterns at USAF airfields only—
DEPICTION
310 KIAS maximum unless otherwise
depicted.
Sg 10, fr 6, p1
2. Holding at Navy fields only—230 KIAS
Heading Index
TEARDROP SECTOR
maximum, unless otherwise depicted.
Turn in shortest direction to
PARALLEL ENTRY SECTOR
heading 30 degrees less
Turn left to parallel the
than the outbound course
outbound course
70
110
20
C.
Determine entry
20
180
DIRECT ENTRY SECTOR
Turn right to the
outbound course
1.
Visualize a straight line on HSI from aircraft
HOLDING ENTRY PROCEDURE
(Standard)
heading to center of instrument
2.
Visualize appropriate entry procedure plot
Sg 10, fr 6, p2
superimposed on top of the HSI and locate
the holding radial to determine entry
Heading Index
TEARDROP SECTOR
procedure to be used
PARALLEL ENTRY SECTOR
Turn in shortest direction to
heading 30 degrees more
Turn right to parallel the
than the outbound course
outbound course
70
110
20
20
NOTE: If the holding radial is within +/- 5
180
DIRECT ENTRY SECTOR
Turn left to the
outbound course
degrees of the entry plot quadrant division
points, either entry procedure associated
HOLDING ENTRY PROCEDURE
(Nonstandard)
with the point may be used. The most
appropriate entry is determined by
consideration of known wind, holding
airspace, etc.
(5-99) Change 1
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