Title: Holding Procedures
1HOLDING
2Objectives
- Know holding airspeeds/restrictions
- Know what constitutes published holding
- Be able to construct random holding patterns
- Understand holding entry techniques
- Understand techniques for wind corrections
- Understand ICAO holding procedure differences
3GPS HOLDING
- AFI 11-217 Vol 1 pg 132-135
- NDB, LOM, DME, cross radials
- Named point from a current data base, terminal
RNP (1.0) - Proceed direct to and hold as publishedSINGLE
SEAT - CINDI, CINDY, STACY, STACI, RANDI,
- MARCS, MARXS, ROZZO, ROOZO
- FMS connected to auto pilot?
- Data entry, check results, engage roll auto pilot
- F-117 experience
4Cleared to JAGOW descend and maintain 6,000,
hold as pubd
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7FAA Airspeeds
- j. Holding pattern airspace protection is based
on the following procedures. - MHA through 6,000 ft 200 KIAS
- 6,001 through 14,000 ft 230 KIAS
- (210 KIAS where published)
- 14,001 ft and above 265 KIAS
- AIM Ch Table 5-3-1, GP Ch 6
8- DO YOU AS A MILITARY PILOT THINK IN TERMS OF
- AM I HOLDING IN A CIVIL PATTERN?
9Holding (Conus)TERPs
- As a rule, holding patterns are built for the
aircraft which use them ( ref FAAO 7130.3 par
14, FAA Form 8260-2). Holding patterns are
constructed at 310 knots (AF) / 230 knots (Navy)
maximum, unless otherwise depicted (FAR/AIM
5-3-7).
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12Solid Line Terps Airspace Dotted Line Cat E
Airspace
310 Knots
200 Knots
13Review
14OLD GP AirspeedsCurrent FAA Order 7130.3A
MILITARY TURBOJET MAXIMUM
AIRSPEED (1) all (except aircraft listed below in
(2), (3), (4), (5) and (6)
.......................................
230 knots IAS (2) A5, A7 (USAF), F4 (USN), F14,
F15, F16, F106, T38 .....................
................... 265 knots IAS (3) F4
(USAF)........................................
280 knots IAS (4) F5, F111......................
...................... 310 knots IAS (5)
T37...............................................
..... 175 knots IAS (6) B1...................
................................... 310
knots IAS
1511-217 Note
- 10.2.4.2 NOTE Although FAAO 7130.3a Holding
Pattern Criteria, details maximum holding
airspeeds by aircraft type, these are not applied
in the creation of holding patterns.
16Current FAA Airspeeds
All Aircraft Maximum Airspeed 0 -
6,000 MSL 200 KIAS above 6,000 MSL -
14,000 MSL 230 KIAS above 14,000 MSL 265
KIAS Exceptions 1. Holding patterns at USAF
airfields only - 310 KIAS maximum unless
otherwise depicted. 2. Holding patterns at US
Navy airfields only - 230 KIAS maximum all
altitudes unless otherwise depicted
17More Exceptions!
- Certain patterns from 6,001 to 14,000
restricted to 210 KIAS (noted by an icon) - Holding patterns at all altitudes may be
restricted to 175 KIAS (noted by an icon)
generally found on IAPs for Cat A or B
18Still More Exceptions!
- When a climb-in hold is specified by a published
procedure (climb-in holding pattern) the
holding template for 310 KIAS has been used - Exception to Exception-Where the holding pattern
is restricted to 175 KIAS, 200 KIAS may be used
below 6000 and 230 KIAS may be used above 6000
when climbing.
19Why the Change? (Conus)
- In 1989, FAA reduced the number of maximum
airspeeds allowed for civil turbojet holding
patterns from three (200/210/265) to two
(230/265). - The problem is that when the FAA set 230 knots as
the speed limit for holding at the lower
altitudes, the agency increased the maximum
holding speeds without increasing the sizes of
the holding patterns.
20Why the Change? (Conus)
- For six years these non-TERPSed speeds existed in
AIM and all other regulations - ALPA Safety Alert Bulletin 93-6
- FAA issued GENOT 4/75 and NOTAM 3/5696 to alert
pilots - Not until 1996 did AIM reflect the change
21Holding Airspeed (Conus)
- So what does it mean to me?
- If you are holding you need to abide by the
terpsd maximum speeds
22Hey, I cant fly that slow!
- The most important thing the ATCS can do,
regarding requests for higher holding airspeed or
longer leg length, is be aware of their holding
pattern limitations and know the consequences if
a deviation from the holding pattern airspace is
approved. - Air Traffic Bulletin Feb 96
- Issue Max Holding Airspeed Advisories When
- Approved higher airspeed and holding airspace
allows - Observed deviation from holding pattern airspace
- Airspeed restricted holding pattern w/out
published speed
- 7110.65R ATC 4-6-4
23Hey, I cant fly that slow!
- The information on each specific holding fix
under U.S. jurisdiction is carried on an FAA Form
8260-2. This form indicates the patterns maximum
airspeed, as well as the minimum and maximum
holding altitudes.
24Holding Airspeed (Conus)
- An icon has been developed for use on enroute
low altitude and controller charts. - The new icon is the standard holding pattern
symbol (racetrack) with 210K placed in the
center. -
- AIM Ch 5
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26Enroute chart
27Enroute chart
28Published Holding Patterns GP Ch 6 / AIM Ch 5
- (1)Whenever an aircraft is cleared to a fix
other than the destination airport and delay is
expected, it is the responsibility of the ATC
controller to issue complete holding instructions
(unless the pattern is charted), an EFC time and
his best estimate of any additional
enroute/terminal delay - (AIM includes NOTE regarding charted)
29Published Holding Patterns GP 6
- (2) If the holding pattern is charted and the
controller doesnt issue complete holding
instructions, the pilot is expected to hold as
depicted on the appropriate chart. Holding
instructions that contain only the holding
direction (i.e., Hold East) inform pilots that
the pattern is charted. -
- NOTE Only those holding patterns depicted on
US Government Low/High Altitude Enroute,
Area/Terminal charts or STARs should be used.
30Published Holding Patterns AIM Ch 5
- b. If the holding pattern is charted and the
controller doesnt issue complete holding
instructions, the pilot is expected to hold as
depicted on the appropriate chart. When the
pattern is charted, the controller may omit all
holding instructions except the charted holding
direction and the statement AS PUBLISHED e.g.,
HOLD EAST AS PUBLISHED. Controllers shall always
issue complete holding instructions when pilots
request them.
31Published Holding Patterns GP Ch 6 and AIM Ch 5
- (3) If no holding pattern is charted and holding
instructions have not been issued, ask ATC for
holding instructions prior to reaching the fix.
This procedure will eliminate the possibility of
entering a holding pattern other than that
desired by ATC. If unable to obtain holding
instructions prior to reaching the fix (due to
frequency congestion, stuck microphone, etc.),
hold in a standard pattern on the course on which
you approach the fix and request further
clearance ASAP. In this event, the
altitude/flight level of the aircraft at the
clearance limit will be protected so that
separation will be provided as required.
32Published Holding Patterns FAA 7110.65 (ATC)
- b. Holding Instructions
- 1. Holding instructions may be eliminated when
you inform the pilot that no delay is expected. - 2. When the pattern is charted, you may omit all
holding instructions except the charted holding
direction and the statement as published.
Always issue complete holding instructions when
the pilot requests them.
33Published Holding Patterns
- WARNING!
- Use caution if the controller directs you to
hold at an IAF, as only those holding patterns
found on Low/High Altitude Enroute, Area/Terminal
Charts, or STARs are considered charted holding
patterns - Sometimes more than one holding pattern is
depicted at a single fix on different IAPs. - Always ask for more complete instructions if
there is any doubt.
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3811-217 Text
- 10.2.1.2.1.1 NOTE AIM describes charted
holding patterns as those holding patterns
depicted on U.S. government or commercially
produced (meeting FAA requirements) low/high
altitude enroute, and area or STAR charts.
Although the AIM and GP do not specifically
mention the use of published holding patterns
depicted on instrument approach procedures, in
day-to-day operations they are used frequently.
If the controller clears you to hold as
published using a holding pattern published on
an approach plate, make sure you are holding in
the correct pattern. In some situations, there
may be more than one published holding pattern at
the same fix. (See Figure 10.2) If there is any
doubt about your clearance, query the controller.
39HOVER!!!
When in doubt
40Holding Patterns
41Random Holding Instructions
- 1. direction of holding from the fix in terms of
the eight cardinal compass points (i.e. N, NE, E,
SE) - 2. holding fix (the fix may be omitted if
included at the beginning of the transmission as
the clearance limit) - 3. radials, course, bearing, airway or route on
which the aircraft is to hold - 4. leg length in miles if DME or RNAV is to be
used (leg length will be specified in minutes on
pilot request or if the controller considers it
necessary) - 5. direction of turn, if left turns are to be
made, the pilot requests, or if the controller
considers it necessary - 6. time to expect further clearance and any
pertinent additional delay information
42Random Holding Instructions
- Hold southwest of the 40 DME fix, the ABC TACAN,
045o radial. Ten mile legs, left turns. Expect
further clearance at 2300Z.
43Random Holding
Hold Southwest...
44Random Holding
Hold Southwest of the 40 DME fix...
40 DME
45Random Holding
Hold Southwest of the 40 DME fix, ABC TACAN, 045o
radial...
40 DME
045o Radial
46Random Holding
Hold Southwest of the 40 DME fix, ABC TACAN, 045o
radial. 10 mile legs...
40 DME
045o Radial
30 DME
47Random Holding
Hold Southwest of the 40 DME fix, ABC TACAN, 045o
radial. 10 mile legs, left turns
40 DME
045o Radial
30 DME
ABC TACAN
48CROSS OR QUADRANT METHOD
30
49HOLD SW OF THE 30 DME FIX, CAB VORTAC, 225oR, 10
MILE LEGS, LEFT TURNS
50HOLD SW OF THE 30 DME FIX, CAB VORTAC, 225oR, 10
MILE LEGS, LEFT TURNS
225oR
40 DME
30 DME
CAB VORTAC
51HOLD NW OF THE 40 DME FIX, CAB TACAN,135o
RADIAL, 10 MILE LEGS.
52HOLD NW OF THE 40 DME FIX, CAB TACAN, 135o
RADIAL, 10 MILE LEGS.
135oR
CAB VORTAC
40 DME
30 DME
53Holding Entries
54AFMAN 11-217
OLD - The aircraft must cross the holding fix,
turn outbound and remain within the holding
airspace. 10.3 Holding Pattern
Procedures. 10.3.1. Holding Procedure. The
angular difference between the inbound holding
course and the heading at the initial holding fix
passage determines the direction of turn to enter
the holding pattern. Holding pattern sizes can
vary greatly depending on the altitude of the
holding pattern, primary aircraft the procedure
was designed for, and other factors. Pilots have
no way of knowing the design limits of protected
airspace for a particular holding pattern.
55Holding Entry
70o
Direct Entry
70o
56Holding Entry
70o
Parallel Entry
70o
57Holding Entry
45o
45o
Teardrop Entry
45o
58Holding Entry
- AIM Technique and ICAO Procedure
Parallel
30 Teardrop Heading
70
110
Teardrop
Direct
59Holding Entry
- Mercedes-Benz Method
- Civilian Hand Method
60Mercedes-Benz Method
UPPER LUBBER LINE
AIRCRAFT HEADING DIRECT TO HOLDING FIX
Left
Right
0
0
90 INDEX
90 INDEX
0
20 BELOW
20 BELOW
0
HSI
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63Civilian Hand Method
Right Turns
Left Turns
T.D.
T.D.
0
20
PARALLEL
0
20
PARALLEL
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66SU-37 Holding
What do you do when ATC asks for a tight 360?
67HOLDING BASICS
- Can we hold over a TACAN?
- AFMAN 11-217 Paragraph 10.2.1. NOTE AFMAN
11-226 TERPs, states that the use of TACAN
station passage as a fix is not acceptable for
holding fixes or high altitude initial approach
fixes. Therefore, if the aircraft is TACAN-only
equipped, do not hold directly over a TACAN or
VORTAC facility or plan to use these facilities
as high altitude IAFs.
68HOLDING BASICS
- Can I shorten a holding pattern ?
- It Depends
- You can shorten the pattern only with ATC
clearance. Usually this is done to meet an
assigned time to depart the holding fix. - Can I lengthen a holding pattern?
- If terrain or airspace a factor or unknown
- Only with ATC Clearance and Caution!
69Holding Basics
- 11-217 Para 10.3.5. Timing. The maximum inbound
leg time is 1 minute at or below 14,000 feet MSL
and 1½ minutes above 14,000 feet MSL. On the
initial outbound leg, do not exceed the
appropriate time for the altitude unless
compensating for a known wind. Adjust subsequent
outbound legs as necessary to meet the required
inbound time. ATC expects pilots to fly the
complete holding pattern as published.
Therefore, do not shorten the holding pattern
without clearance from ATC.
70Timing
Is Everything!
71Timing Procedure
Start Timing Abeam the Fix
1 Minute at or below 14,000 MSL
1 Minute 30 Seconds above 14,000 MSL
72Timing Techniques
Example
40 Seconds
60 (or 90 seconds)
73Timing Techniques
Corrected outbound leg time
1 Minute 30 Second patterns
Above 14,000
At or below 14,000
Corrected outbound leg time
1 Minute patterns
74TIMING EXAMPLE
YOU ARE AT 15,000 AND HOLDING YOUR INBOUND TIMING
WAS 100 SEC TO CORRECT
8100
81
100
YOUR NEXT OUTBOUND TIME SHOULD BE 81 SEC
75Drift Corrections
- Unless you are compensating for known winds, fly
turns at standard rate (3o per second), or 30o
bank angle, or bank angle commanded by the flight
director system. - (TAS / 10) 7 Standard Rate Bank Angle
- Compensate for wind effect primarily by drift
correction on the inbound and outbound legs.
When outbound, triple the drift correction to
avoid major turn adjustments - AIM Ch 5
AFMAN 11-217 Ch 10
76TIMING CALCULATE THE TIME IT TAKES TO MAKE THE
INBOUND TURN
SRT 2 MINUTES FOR 360o TURN
SRT 1 MINUTE FOR 180o TURN
Less than SRT 360o TURN AT 30o OF BANK 1 OF
TAS
EXAMPLE
TAS 240 KTS
240
2
.
4
MINUTES
100
2 MINUTES 24 SEC FOR A 360o TURN
or
1 MINUTE 12 SEC FOR A 180o TURN
77Triple Drift
Use 30o of bank
Wind Drift
Single Drift
Triple Drift
Maximum drift is 30o Use triple drift for the
amount of time required to complete inbound turn
Use 30o of bank
78Triple Drift
YOURE FLYING AT 300 KTAS
WIND 30 KNOTS
STEP 1
30 KNOTS
/ 5
NM 6 DRIFT
1 OF TAS
STEP 2
TRIPLE DRIFT
3 MINUTES TO MAKE A 360
SINGLE DRIFT
18 OF CORRECTION
THEREFORE THE 180 INBOUND TURN WOULD TAKE
6 DEGREES
AIRCRAFT
OF DRIFT
1 MINUTE AND 30 SECONDS
HDG.162
AIRCRAFT
STEP 3
HDG .006
ADD THE DRIFT ON INBOUND LEG, USE 30 OF BANK ,
TRIPLE DRIFT OUTBOUND, AND USE 30 OF BANK WITH
THE WIND
30 DEGREES OF BANK
79ICAO Holding Procedures
80ICAO Differences
- Entry is essentially the same as FAA civil
procedures, including the 50 zone of
flexibility - Teardrop is 30 degrees for no more than 1 min, 30
sec. - Obstacle clearance is greater.
81ICAO Differences
1 Parallel
30
2 Teardrop
3 Direct
70o
82ICAO Differences
- Holding
- bank angles
- 25 degree bank, or 3 degrees/second, whichever
is less - ICAO does not allow correcting for winds by
adjusting bank angle - timing
- Timing is applied to the outbound leg of the
pattern - Still Air Conditions
- Due allowance should be made in both heading
and timing to compensate for the effects of wind
to ensure the inbound track is regained before
passing the holding fix inbound. (Pans Ops 8168
para. 1.5.2.)
83ICAO Holding Speeds
- 23.5.5. Airspeeds. There is little
standardization of maximum holding airspeeds in
PANS-OPS. There are three completely different
tables of holding airspeeds that an approach
designer could have used, depending on which
edition of PANS-OPS was used when the holding
pattern was constructed. As if that were not
difficult enough, many countries publish their
own holding pattern airspeeds. This information
is supposed to be published in FLIP, but it may
be quite difficult or impossible for you to
actually find it.
AFI 11-217 Vol 1
84ICAO Holding Speeds
- 23.5.5. (cont) You must understand, though,
that the concept is the same as in the United
States maximum holding airspeeds are defined by
PANS-OPS (or the host country) and have no
relation to the holding speed specified in the
aircraft flight manual. If you cannot, (or do not
want to) find the precise maximum holding speed,
you may use the table below as a recommendation.
The table reproduces the airspeeds from the
Second Edition of PANS-OPS, and is the most
common table used.
AFI 11-217 Vol 1
85ICAO Max Holding Speeds
NOTE The speeds published for turbulence
conditions shall be used for holding only after
prior clearance with ATC, unless the relevant
publications indicate that the holding area can
accommodate aircraft flying at these high holding
speeds.
Pans Ops 8168
86ICAO HOLDING
- What is a Shuttle?
- A Shuttle is a descent or climb conducted in a
holding pattern. (11-217, 23.4.2.2.2.) - Normally specified where descent required on a
procedure exceeds standard limits.
87ICAO Special Holding Entry Procedures
VOR/DME HOLDING TOWARD THE STATION
VOR/DME HOLDING AWAY FROM THE STATION
ENTRY RADIAL
Secondary Fix
Q
Q
Secondary Fix
ENTRY RADIAL
R
R
Q
Q
HOLDING FIX
HOLDING FIX
Direct Entry Only
88ICAO Holding Procedures
VOR/DME HOLDING TOWARD THE STATION
VOR/DME HOLDING AWAY FROM THE STATION
Limiting Radial
Limiting Outbound Distance
Limiting Outbound Distance
R
R
Q
Q
HOLDING FIX
HOLDING FIX
Limiting Holding
89ICAO Holding Information
- General Planning, Chapter 6, Para 6-15
- Aircraft Operations (PANS OPS Doc 8168)
- AFMAN 11-217, Chapter 23, Para 23.5
90SUMMARY
- Holding airspeeds/restrictions
- Published and random holding patterns
- Holding entry procedures
- Techniques for applying wind corrections
- ICAO holding procedures
91Questions?
92Critiques!
93Review
94Review
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