FAI/F3A Radio Control Aerobatics
JUDGES TRAINING
PRESENTATION
From January 2004
SCHEMATIC MANOEUVRE ILLUSTRATIONS
SCHEDULE P-05
P-05.01: Take-off sequence
(Award only 0 or 10 points)
WIND
2700
TURN
Reversal of
pilot’s choice
520m
1200
900 TURN
ZERO LINE - Any flying behind zero line scores zero points.
If 270o turn and reversal is flown FAR outside of 60o right and left markers, score zero.
Either TEN or ZERO for take-off sequence.
Second attempt at take-off scores zero.
P-05.02 - Reverse Cuban eight, 4/8pt. roll first,
2/2pt. roll second, exit inverted
5/8 loop
Straight and level entry
All part-loops
must be same
radius
All legs same
length
True 45 degree
angles
Lines equal
before and after
rolls
Roll rates may be
different
1/8
loop
¾ loop
Straight and level inverted exit
P-05.03 - Stall turn, 2/4pt roll up, neg. snap roll down
Entry and exit partloops must be same
radius
2/4-pt roll on middle of
vertical line
2 of 4pt. roll up
1/4 loop
Straight and level entry
P-05.03 - Stall turn, 2/4pt roll up, negative snap roll down
Entry and exit partloops must be same
radius
Snap roll on middle of
vertical line
Snap roll = NEGATIVE
Negative snap roll!
1/4 loop
Straight and level exit exit
(ideally on same level as entry)
P-05.04 - Reversed 4-point roll
Roll rates must be same
on all points
Duration of points must
be same
Middle of inverted flight
is middle of manoeuvre
Look for reverse
direction!
Straight and
level
exit
Straight and
level
entry
P-05.05 - Half square loop, full roll up, exit inverted
Straight and level inverted exit
1/4
loop
Both part-loops must be
same radius
Roll on middle of vertical line
1/4
loop
Straight and level entry
P-05.06 – Inverted triangle loop with half rolls, inverted exit
Straight and level
inverted exit
Straight and level
inverted entry
3/8 loop
3/8 loop
 All part-loops must be same radius
 Entry and exit on same level
 All legs 45 degree flight path
 Equal length lines before and after rolls
1/4 loop
P-05.07 - Two-turn inverted spin
Straight and level inverted entry
 Snap roll entry = ZERO
 Weather-cocking to be downgraded - 1pt/15o
1/4 loop
Straight and level exit
P-05.08 – Loop with integrated slow roll over top 90o
 Entry and exit at same height
 Roll MUST be integrated with loop
 Roll rate constant
90o
Straight and level exit
Straight and level
entry
P-05.09 - Half clover, 2/4-pt roll up, ½ roll down, exit inverted
3/4 outside
loop
3/4 outside
loop
 All part-loops must be same radius
 2/4-pt roll must be on middle of line
 Vertical ascending and descending
flight paths must coincide
2/4-pt roll on
middle of line
1/4 loop
Straight and
level entry
P-05.09 - Half clover, 2/4-pt roll up, ½ roll down, exit inverted
3/4 outside
loop
3/4 outside
loop
1/2 roll on
middle of line
 All part-loops must be same radius
 2/4-pt roll must be on middle of line
 ½ roll down must be on middle of
line
 Vertical ascending and descending
flight paths must coincide
1/4 loop
Straight and level inverted exit
P-05.10 - 45o up, with 4-point roll, exit inverted
 Part loops must be same size
 Entire manoeuvre centred over centre flag
 Equal length of line before and after 4-pt roll
 Roll rate same
 Points of equal duration
 Flight path must be 45o
1/8 loop
Straight and
level inverted entry
Straight and level
inverted exit
1/8 loop
P-05.11 – Humpty bump, 2/4-pt roll down, ½ roll up
(PULL-PUSH-PUSH) option of ¾-pt roll down, ¼ roll up
 All part-loops must be same radius
 Rolls must be on middle of lines
 Roll rates may be different
 Exit and entry ideally at same level
 Half outside loop is inverted
Straight and level
inverted entry
1/8 loop
1/8 loop
½ roll up
2/4-point
roll down
½ outside
loop
P-05.11 – Humpty bump, 3/4-pt roll down, 1/4 roll up
(PULL-PUSH-PUSH) option of 2/4-pt roll down, ½ roll up
 All part-loops must be same radius
 Rolls must be on middle of lines
 With this option, roll rates are the same
 Exit and entry ideally at same level
 Half outside loop is inverted
Straight and level
inverted entry
1/8 loop
3/4-point
roll down
½ outside
loop (inverted)
P-05.11 – Humpty bump, 3/4-pt roll down, 1/4 roll up
(PULL-PUSH-PUSH) option of 2/4-pt roll down, ½ roll up
 All part-loops must be same radius
 Rolls must be on middle of lines
 With this option, roll rates are the same
 Exit and entry ideally at same level
 Half outside loop is inverted
Straight and level exit
1/8 loop
¼ roll up
½ outside
loop (inverted)
P-05.12 - Reverse double immelmann, full roll, and 2/4-pt ro
inverted exit
Straight and level
inverted exit
2/4-pt roll
½ outside loop
 Roll rate must be same for all
points
 Duration of points must be equal
 Roll rates may differ between ptroll and continuous roll
Full roll
Straight and level entry
½ outside loop
P-05.13 Goldfish, with 1/2 rolls
Straight and level inverted entry
1/8
loop
3/4 loop
 All part-loops must have same radius
 Half rolls must be on middle of lines
 Roll rates must be the same
 Entry/exit altitude must be the same
Straight and level exit
1/8 loop
P-05.14 Square loop, ½ rolls in vert. and 2/4-pt rolls in horiz
 All part-loops must be same
radius
 All rolls on middle of lines
 All sides equal in length
 Roll rates may be different
between ½ rolls and 2/4-pt rolls.
1/4 loop
Straight and level entry
1/4
loop
1/4
loop
1/4
loop
1/4
loop
Straight and level exit
P-05.15 – Half reverse cuban 8, full roll up, exit inverted
 All part-loops must be same radius
 Roll on middle of 45o line
 Entry and exit at same altitude
5/8 outside
loop
1/8
loop
Straight and level entry
Straight and level inverted exit
P-05.16 – 4/8-pt roll, with slow roll opposite
 Entire manoeuvre is centred over flag
 Roll rates between 4/8-pt and slow roll may be different
 Reverse rotation is immediate
Entire manoeuvre
centred on flag
(from start to finish)
Straight and
level exit
Straight and
level inverted entry
P-05.17 - Humpty bump, positive snap roll up, exit inverted
(PULL-PULL-PUSH)
Due to space limitations,
very little vertical
flight shown here
1/2
loop
1/4
loop
Positive
snap roll
Straight and level inverted exit
1/4
loop
Straight and level entry
 All part-loops must be same radius
 Snap roll on middle of line
 Snap roll is POSITIVE
 Entry and exit at different altitudes
P-05.18 - Vertical 8, top first, integrated ½ roll on centre
 Both loops must be round
 Both loops same size
 ½ roll MUST be integrated
 Entry and exit same altitude
45o
Straight and
level exit
45o
Straight and level inverted entry
45o
Integration
of
half roll
45o
P-05.18 – Split S with full roll, inverted exit
 No straight flight after roll
Straight and level entry
Full roll
1/2 outside
loop
Straight and
level inverted exit
P-05.20 – Opposite ¾ slow roll, inverted to inverted
 Roll rate constant in both directions
 Reversal is immediate (no pause)
Straight
and level
inverted exit
Straight
and level
inverted
entry
P-05.21- Half square outside loop, 2/4-pt roll up, exit inverte
Straight and level inverted exit
1/4
loop
 All part-loops same radius
 2/4-pt roll on middle of vertical line
¼
outside
loop
Straight and level inverted entry
P-05.22 - Inverted spin, two turns opposite, 1/2 roll
exit
Straight and level inverted entry
 Snap entry scores zero!
 Weather-cocking is downgraded 1pt/15o
 Reversal is immediate
 Vertical downline after spins
 Half roll is part of manoeuvre
Reversal is immediate
Recognisable
straight flight
here...
1/4 loop
…before 1/2 roll
Straight and
level exit, before turning
P-05.23 - Landing sequence
(Award only 0 or 10 points)
1800 TURN
1800
TURN
WIND
1200
• ZERO LINE - Any flying behind zero line scores zero points.
• If 180o turns are flown FAR outside of 60o right and left markers, score zero.
• Turns must be either level or descending.
• Either TEN or ZERO for landing sequence.
• No hot-dogging!
SCHEMATIC MANOEUVRE ILLUSTRATIONS
SCHEDULE F-05
F-05.01: Take-off sequence
(Award only 0 or 10 points)
WIND
2700
TURN
Reversal of
pilot’s choice
520m
1200
900 TURN
ZERO LINE - Any flying behind zero line scores zero points.
If 270o turn and reversal is flown FAR outside of 60o right and left markers, score zero.
Either TEN or ZERO for take-off sequence.
Second attempt at take-off scores zero.
F-05.2 - Rolling loop, with one integrated roll
 Loop must be round
 Roll rate must be constant
 Entry and exit at same
altitude
Knife edge
at 90o point
Straight and level entry
Knife edge
at 90o point
Straight and level exit
F-05.3 - Half square loop on corner, 2/4-pt rolls, exit
inverted
 All part-loops must have same radius
 Pt. rolls must be on middle of lines
 45o paths must be equal in length
Straight and level
inverted exit
1/8 loop
¼
outside
loop
1/8 loop
Straight and level entry
F-05.4 - Reverse humpty bump, full roll down, pos. snap
(PULL-PUSH-PULL)
up
Straight and level
inverted exit
Straight and level
inverted entry
¼ loop
¼ loop
Positive
snap roll
Full roll
½
outside
loop
 All part-loops must be same radius
 Roll is on middle of line
 Snap roll on middle of line
 Snap roll is POSITIVE
 Entry and exit at same altitudes
F-05.5 - Figure 6, with ½ roll down, exit
inverted
 All part-loops must have same
radius
 Half roll must be on middle of
line
 Exit and ½ roll altitude does not
have to coincide
Straight and level inverted entry
¼ loop
This shape
also correct!
Straight and level
inverted exit
3/4 loop
F-05.6 - Inverted hourglass, top first, 2/4-pt roll down
 All part-loops must be same radius
 Point-roll on middle of 45o line
 Entry and exit on same level
 All legs 45 degree flight path
 Take note of entry and exit points!
3/8
outside
loop
3/8
outside
loop
Straight and
level exit
Straight and level
inverted entry
3/8
outside
loop
3/8
outside
loop
F-05.7 - Two-turn positive spin, exit inverted
Straight and level entry
 Snap roll entry = ZERO
 Vertical down line after spin
 Weather-cocking to be downgraded - 1pt/15o
Straight and level inverted exit
F-05.8 - Opposite 3/4pt roll, inverted to inverted
• Roll rate of point-rolls constant, and points must be of same
duration
• Reversal on centre-line
• Entire manoeuvre centred on flag
Straight and level
Inverted exit
Straight and level
Inverted entry
F-05.9 - Stall turn, 2/8-pt. roll up, ¾-pt roll down
Stall turn
 Exit and entry part-loops must be same radius
2/8-pt. roll
1/4 loop
Straight and level inverted entry
F-05.9 - Stall turn, 2/8-pt. roll up, ¾-pt roll down
Stall turn
 Exit and entry part-loops must be same radius
3/4 roll
1/4 loop
Straight and level exit
F-05.10 - Rolling circle with three rolls in opposite
directions.
 Roll rate must be constant.
 Circle must be round

Second roll complete
and wings level
at 240o point.
Reversal is
immediate.
Third roll is to
OUTSIDE
Straight and level entry
Second roll is to
INSIDE
First roll complete
and wings level
at 120o point.
Reversal is
immediate.
Rolling circle may be performed
towards runway, or away from runway
First roll is to
OUTSIDE
Straight and level exit
F-05.11 - Half roll, half outside loop, with full roll
Straight and level exit
Full roll
 No straight flight after ½ roll
 No straight flight before full roll
1/2 outside
loop
½ roll
Straight and level entry
F-05.12 - Reverse avalanche, 1 ½ neg. snap roll, inverted
Straight and level inverted exit
Straight and level entry
 Loop must be round
 Snap must be NEGATIVE
 Exit and entry at same altitude
1 ½ negative snap roll
F-05.13 - Reverse humpty bump, 2/8-pt. roll down, ¼
(PULL-PUSH-PUSH) option of 2/4-pt roll down, ½ roll up
roll up
Straight and level inverted entry
1/4 loop
FIRST OPTION SHOWN HERE
 All part loops must be same radius
 Rolls on middle of lines
 Half loop must be inverted
2/8-pt. roll
1/2 outside loop
(inverted)
F-05.13 - Reverse humpty bump, 2/8-pt. roll down, ¼
(PULL-PUSH-PUSH) option of 2/4-pt roll down, ½ roll up
roll up
Straight and level exit
1/4 loop
FIRST OPTION SHOWN HERE
 All part loops must be same radius
 Rolls on middle of lines
 Half loop must be inverted
1/4 roll
1/2 outside loop
(inverted)
F-05.13 - Reverse humpty bump, 2/8-pt. roll down, ¼
(PULL-PUSH-PUSH) option of 2/4-pt roll down, ½ roll up
roll up
Straight and level inverted entry
1/4 loop
1/4 loop
SECOND OPTION SHOWN HERE
2/4-pt.
roll
1/2 roll
1/2 outside
loop
(inverted)
 All part loops must be same radius
 Rolls on middle of lines
 Half loop must be inverted
F-05.13 - Reverse humpty bump, 2/8-pt. roll down, ¼
(PULL-PUSH-PUSH) option of 2/4-pt roll down, ½ roll up
roll up
Straight and level exit
1/4 loop
1/4 loop
SECOND OPTION SHOWN HERE
2/4-pt.
roll
1/2 roll
1/2 outside
loop
(inverted)
 All part loops must be same radius
 Rolls on middle of lines
 Half loop must be inverted
F-05.14 - Reverse golf ball from top, with ½ rolls
Straight and level entry
1/8 loop
 All part-loops same radius
 ½ rolls on middle of lines
 Exit and entry altitude same
1/8 loop
3/4 loop
Straight and level
exit
F-05.15 – Half square outside loop, 1 ½ positive snap roll down
Straight and level entry
 All part-loops same radius
 Snap roll on middle of line
 Snap roll = POSITIVE!
¼
outside
loop
1½
POSITIVE
snap roll
1/4 loop
Straight and level exit
F-05.16 - Reverse knife-edge, exit inverted
• Entire manoeuvre centred on flag
• Roll rate constant
• Knife-edge portions of equal duration
&length
Straight and level
Inverted exit
Straight and
level entry
F-05.17 - Rolling half outside loop, with full integrated
roll
Straight and level exit
 Half loop must be round
 Roll MUST be fully integrated
 Roll rate must be constant and continuous
Straight and level inverted entry
F-05.18 - 45o down, 2/4-pt. roll, neg. snap roll opposite, ½ roll
Straight and level
entry
1/8 loop
entry
2/4-pt.
roll
 All part-loops must be same radius
 2/4-pt. and snap roll must be opposite
 Snap roll = NEGATIVE
 ½ roll on exit is part of manoeuvre
 2/4-pt. roll and snap roll on middle of 45o line
NEGATIVE
snap roll
1/8
loop
1/2 roll
Straight and level exit
F-05.23 - Landing sequence
(Award only 0 or 10 points)
1800 TURN
1800
TURN
WIND
1200
• ZERO LINE - Any flying behind zero line scores zero points.
• If 180o turns are flown FAR outside of 60o right and left markers, score zero.
• Turns must be either level or descending.
• Either TEN or ZERO for landing sequence.
• No hot-dogging!