natops_flight_manual.. - Check six

A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
PERFORMANCE ANALYSIS
MIG-21bis iz.75A / L-17
Mikoyan-Gourevitch Corporation
(Tumanskiy R-25-300)
CAUTION STATEMENT : This document is to be use only for simulation. Do not try to apply the procedures and or advices contained in it if
you have the opportunity to fly this plane in real life. By the way, if you had (or still have) flew this aircraft, your comments, criticism and
more are welcome
LICENSE : This document has been created by J.M. LANGERON / TOPOLO, (http://topolo.free.fr/) all the values used to model the aircraft
behavior have been computed by him, like all performance charts presented here. If you want to use these data, or part of it, please contact the
author by personal message to TOPOLO on check-six forum: (http://www.checksix-forums.com/)
I – 1 - 1

A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Level Flight Envelope
I – 1 - 2

Alt (ft)
Alt (ft)
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Level Flight Envelope
65,000
60,000
55,000
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•Max AB
2 x R-60
GW = 16,318 lbs
Level Flight Enveloppe
Full AB
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
Maximal operational
mach number (2.02)
50,000
45,000
40,000
35,000
30,000
2 x R-60
490l CL Tank
GW = 16,847 lbs
Maximal operational
mach number with
Ext. tank (1.6)
25,000
20,000
15,000
10,000
5,000
Normal A/B
Special A/B
1300 Km/h
700 Kts (IAS)
0
0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80 1.90 2.00 2.10 2.20 2.30 2.40
65,000
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•MILL Power
Mach
AA1 AA2 AG1 AA4 VNE
Level Flight Enveloppe
MIL Power
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
60,000
55,000
50,000
2 x R-60
GW = 16,318 lbs
45,000
40,000
35,000
30,000
25,000
20,000
15,000
10,000
5,000
2 x R-60
490l CL Tank
GW = 17,731lbs
1300 Km/h
700 Kts (IAS)
0
0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80 1.90 2.00 2.10 2.20 2.30 2.40
Mach
AA1
AA2
I – 1 - 3

A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Turn Performance
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 11 (2xR-60)
•50% internal fuel
•GW= 16,318 lbs / 7,392 kg
I – 1 - 4

Sustained Turn rate (deg/s)
Maximum instantaneous turn rate (deg/s)
Turn Rate – Summary
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•Special AB up to 10,000ft
•Max AB from 15,000ft Maximum Available Turn Rate
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 11 (2xR-60)
•GW=16,318 lbs / 7,392 kg
25.00
20.00
0
10,000
20,000
30,000
40,000
15.00
Max Turn reached without AoA limit
(Stall speed)
Ng < 8 for mach < 0.8
Ng < 6 for mach > 0.8
10.00
5.00
0.00
0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.20 2.40
Mach number
25.00
20.00
Maximum Sustained Turn rate (deg/s)
0
10,000
20,000
30,000
40,000
15.00
10.00
5.00
0.00
0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.20 2.40
Mach number
I - 1 - 5

Sustained Load Factor (Ng)
Maximum Available Load Factor (Ng)
Load Factor – Summary
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•Special AB up to 10,000ft
•Max AB from 15,000ft
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 11 (2xR-60)
•GW=16,318 lbs / 7,392 kg
9.00
7.00
Maximum Available Load Factor
0
10,000
20,000
30,000
40,000
5.00
3.00
Max Turn reached without AoA limit
(Stall speed)
Ng < 8 for mach < 0.8
Ng < 6 for mach > 0.8
1.00
0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.20
Mach number
10.00
9.00
8.00
7.00
Maximum Sustained Load Factor (Ng)
0
10,000
20,000
30,000
40,000
6.00
5.00
4.00
3.00
2.00
1.00
0.00
0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.20 2.40
Mach number
I - 1 - 6

Turn Rate (degree per second)
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Turn Performance – Sea Level
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•Special AB
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 11 (2xR-60)
•GW=16,318 lbs / 7,392 kg
24.00
2G
3G
4G
5G
6G
7G
8G
9G
22.00
Quickest Turn = 22.2 deg/s
20.00
Quickest Turn = 18.4 deg/s
18.00
16.00
-450
-300
Max. Sustained Turn = 14.29 deg/s
14.00
-150
12.00
0
+150
10.00
Maximum
allowed
AoA (28)
+300
8.00
6.00
4.00
+450
MAXIMUM AIR SPEED
2.00
0.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750
CAS (Kts)
I – 1 - 7

Turn Rate (degree per second)
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Turn Performance – 5,000 ft
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•Special AB
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 11 (2xR-60)
•GW=16,318 lbs / 7,392 kg
24.00
2G
3G
4G
5G
6G
7G
8G
9G
22.00
Quickest Turn = 20.4 deg/s
20.00
18.00
Quickest Turn = 17.2 deg/s
16.00
14.00
-450
-300
-150
Max. Sustained Turn = 12.1 deg/s
12.00
0
10.00
+150
8.00
6.00
4.00
Maximum
allowed
AoA (28)
+300
+450
MAXIMUM AIR SPEED
2.00
0.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750
CAS (Kts)
I – 1 - 8

Turn Rate (degree per second)
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Turn Performance – 10,000 ft
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•Special AB
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 11 (2xR-60)
•GW=16,318 lbs / 7,392 kg
24.00
2G
3G
4G
5G
6G
7G
8G
9G
22.00
20.00
Quickest Turn = 18.42 deg/s
18.00
16.00
Quickest Turn = 15.14 deg/s
14.00
12.00
-450
-300
-150
Max. Sustained Turn = 10.61 deg/s
10.00
0
8.00
6.00
4.00
Maximum
allowed
AoA (28)
+150
+300
MAXIMUM AIR SPEED
+450
2.00
0.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750
CAS (Kts)
I – 1 - 9

Turn Rate (degree per second)
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Turn Performance – Sea Level
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•Max AB
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 11 (2xR-60)
•GW=16,318 lbs / 7,392 kg
24.00
2G
3G
4G
5G
6G
7G
8G
9G
22.00
Quickest Turn = 22.2 deg/s
20.00
Quickest Turn = 18.4 deg/s
18.00
16.00
-450
-300
14.00
-150
Max. Sustained Turn = 12.38 deg/s
12.00
0
10.00
Maximum
allowed
AoA (28)
+150
8.00
6.00
4.00
+300
MAXIMUM AIR SPEED
2.00
0.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750
CAS (Kts)
I – 1 - 10

Turn Rate (degree per second)
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Turn Performance – 5,000 ft
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•Max AB
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 11 (2xR-60)
•GW=16,318 lbs / 7,392 kg
24.00
2G
3G
4G
5G
6G
7G
8G
9G
22.00
Quickest Turn = 20.24 deg/s
20.00
18.00
Quickest Turn = 17.2 deg/s
16.00
14.00
-450
-300
-150
12.00
Max. Sustained Turn = 11.13 deg/s
10.00
0
8.00
6.00
4.00
Maximum
allowed
AoA (28)
+150
+300
MAXIMUM AIR SPEED
+450
2.00
0.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750
CAS (Kts)
I – 1 - 11

Turn Rate (degree per second)
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Turn Performance – 10,000 ft
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•Max AB
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 11 (2xR-60)
•GW=16,318 lbs / 7,392 kg
24.00
2G
3G
4G
5G
6G
7G
8G
9G
22.00
20.00
Quickest Turn = 18.42 deg/s
18.00
16.00
Quickest Turn = 15.14 deg/s
14.00
-450
12.00
-300
-150
Max. Sustained Turn = 10.61 deg/s
10.00
0
8.00
6.00
4.00
Maximum
allowed
AoA (28)
+150
+300
MAXIMUM AIR SPEED
+450
2.00
0.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750
CAS (Kts)
I – 1 - 12

Turn Rate (degree per second)
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Turn Performance – 15,000 ft
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•Max AB
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 11 (2xR-60)
•GW=16,318 lbs / 7,392 kg
24.00
2G
3G
4G
5G
6G
7G
8G
9G
22.00
20.00
18.00
16.00
Quickest Turn = 16.37 deg/s
14.00
Quickest Turn = 12.81 deg/s
12.00
-450
-300
10.00
-150
Max. Sustained Turn = 8.46 deg/s
8.00
6.00
4.00
Maximum
allowed
AoA (28)
0
+150
+300
MAXIMUM AIR SPEED
2.00
0.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750
CAS (Kts)
I – 1 - 13

Turn Rate (degree per second)
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Turn Performance – 20,000 ft
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•Max AB
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 11 (2xR-60)
•GW=16,318 lbs / 7,392 kg
24.00
2G
3G
4G
5G
6G
7G
8G
9G
22.00
20.00
18.00
16.00
14.00
Quickest Turn = 13.59 deg/s
12.00
Quickest Turn = 11.8 deg/s
10.00
8.00
-450
-300
-150
Max. Sustained Turn = 7.28 deg/s
6.00
4.00
2.00
Maximum
allowed
AoA (28)
0
+150
+300
MAXIMUM AIR SPEED
0.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750
CAS (Kts)
I – 1 - 14

Turn Rate (degree per second)
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Turn Performance – 25,000 ft
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•Max AB
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 11 (2xR-60)
•GW=16,318 lbs / 7,392 kg
24.00
2G
3G
4G
5G
6G
7G
8G
9G
22.00
20.00
18.00
16.00
14.00
12.00
Maximum
allowed
AoA (28)
Quickest Turn = 12.20 deg/s
Quickest Turn = 11.34 deg/s
10.00
-450
-300
8.00
6.00
4.00
2.00
-150
Max. Sustained Turn = 6.23 deg/s
0
+150
MAXIMUM AIR SPEED
0.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750
CAS (Kts)
I – 1 - 15

Turn Rate (degree per second)
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Turn Performance – 30,000 ft
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•Max AB
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 11 (2xR-60)
•GW=16,318 lbs / 7,392 kg
24.00
2G
3G
4G5G
6G
7G
8G
9G
22.00
20.00
18.00
16.00
14.00
12.00
Quickest Turn = 11.13 deg/s
Quickest Turn = 10.45 deg/s
10.00
8.00
-450
6.00
-300
-150
Max. Sustained Turn = 5.35 deg/s
4.00
2.00
Maximum
allowed
AoA (28)
0
+150
+300
MAXIMUM AIR SPEED
0.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750
CAS (Kts)
I – 1 - 16

Turn Rate (degree per second)
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Turn Performance – 35,000 ft
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•Max AB
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 11 (2xR-60)
•GW=16,318 lbs / 7,392 kg
24.00
2G
3G 4G 5G 6G
7G
8G
9G
22.00
20.00
18.00
16.00
14.00
12.00
10.00
Quickest Turn = 9.59 deg/s
Quickest Turn = 8.85 deg/s
8.00
6.00
-450
-300
-150
4.00
2.00
Maximum
allowed
AoA (28)
Max. Sustained Turn = 4.76 deg/s
0
+150
+300
MAXIMUM AIR SPEED
0.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750
CAS (Kts)
I – 1 - 17

A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Climb Performance
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 11 (2xR-60)
•50% internal fuel
•GW= 16,318 lbs / 7,392 kg
I – 1 - 18

Climb Angle (deg)
Excess Specific Power (ft/s)
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•Special AB up to 10,000ft
•Max AB from 15,000ft
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 11 (2xR-60)
•GW=16,318 lbs / 7,392 kg
Instantaneous Constant Speed Climb Rate
700
600
500
400
300
200
0
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
45,000
100
0
0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80 1.90 2.00 2.10 2.20 2.30 2.40
Mach
Constant Speed Climb Angle
90.00
80.00
70.00
60.00
50.00
40.00
30.00
0
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
20.00
10.00
0.00
0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80 1.90 2.00 2.10 2.20 2.30 2.40
Mach
I - 1 - 19

Climb Angle (deg)
Excess Specific Power (ft/s)
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
DATA BASIS : ESTIMATED
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONDITIONS:
•Standard Day
•MIL Power
Instantaneous Constant Speed Climb Rate
CONFIGURATIONS :
•DRAG INDEX = 11 (2xR-60)
•GW=16,318 lbs / 7,392 kg
200
100
0
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
45,000
0
0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80 1.90 2.00 2.10 2.20 2.30 2.40
Mach
Constant Speed Climb Angle
90.00
80.00
70.00
60.00
50.00
40.00
30.00
0
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
20.00
10.00
0.00
0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80 1.90 2.00 2.10 2.20 2.30 2.40
Mach
I - 1 - 20

A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Acceleration Performances
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 11 (2xR-60)
•50% internal fuel
•GW= 16,318 lbs / 7,392 kg
I – 1 - 21

Time (s)
Time (s)
Acceleration Diagram
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
CONDITIONS:
•Standard Day
•Special AB up to 10,000ft
•Max AB from 15,000ft
0 10,000 20,000
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 11 (2xR-60)
•GW=16,318 lbs / 7,392 kg
180
Acceleration (Max Thrust AB)
165
10,000 ft
150
135
120
105
90
75
60
20,000 ft
45
Sea Level
30
15
0 30,000 30,000 36,000
180
165
150
Acceleration (Max Thrust AB)
0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.40 1.50 1.60
Mach
135
120
105
30,000 ft
36,000 ft
90
75
30,000 ft
60
45
30
15
0
0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80 1.90 2.00 2.10 2.20
Mach
I – 1 - 22

A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Turn Performance
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 12 (2xR-60 + 2xR-13M)
•50% internal fuel
•GW= 16,967 lbs / 7,986 kg
I – 1 - 23

Sustained Turn rate (deg/s)
Maximum instantaneous turn rate (deg/s)
Turn Rate – Summary
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
25.00
20.00
15.00
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•Special AB up to 10,000ft
•Max AB from 15,000ft
Maximum Available Turn Rate
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 12
(2xR-60 + 2xR-13M)
•GW=16,967 lbs / 7,986 kg
Max Turn reached without AoA limit
(Stall speed)
Ng < 7 for mach < 0.8
Ng < 6 for mach > 0.8
0
10,000
20,000
30,000
40,000
10.00
5.00
0.00
0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.20 2.40
Mach number
Maximum Sustained Turn rate (deg/s)
25.00
0
10,000
20,000
30,000
20.00
40,000
15.00
10.00
5.00
0.00
0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.20 2.40
Mach number
I - 1 - 24

Sustained Load Factor (Ng)
Maximum Available Load Factor (Ng)
Load Factor – Summary
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•Special AB up to 10,000ft
•Max AB from 15,000ft
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 12
(2xR-60 + 2xR-13M)
•GW=16,967 lbs / 7,986 kg
10.00
9.00
8.00
Maximum Available Load Factor
0
10,000
20,000
30,000
40,000
7.00
6.00
5.00
4.00
3.00
2.00
Max Turn reached without AoA limit
(Stall speed)
Ng < 7 for mach < 0.8
Ng < 6 for mach > 0.8
1.00
0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.20 2.40
Mach number
10.00
9.00
8.00
Maximum Sustained Load Factor (Ng)
0
10,000
20,000
30,000
40,000
7.00
6.00
5.00
4.00
3.00
2.00
1.00
0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.20 2.40
Mach number
I - 1 - 25

Turn Rate (degree per second)
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Turn Performance – Sea Level
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•Special AB
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 12
(2xR-60 + 2xR-13M)
•GW=16,967 lbs / 7,986 kg
24.00
2G
3G
4G
5G
6G
7G
8G
9G
22.00
Quickest Turn = 20.5 deg/s
20.00
18.00
Quickest Turn = 16.8 deg/s
16.00
-450
14.00
-300
-150
Max. Sustained Turn = 13.7 deg/s
12.00
0
+150
10.00
Maximum
allowed
AoA (28)
+300
8.00
6.00
4.00
+450
MAXIMUM AIR SPEED
2.00
0.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750
CAS (Kts)
I – 1 - 26

Turn Rate (degree per second)
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Turn Performance – 5,000 ft
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•Special AB
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 12
(2xR-60 + 2xR-13M)
•GW=16,967 lbs / 7,986 kg
24.00
2G
3G
4G
5G
6G
7G
8G
9G
22.00
20.00
Quickest Turn = 18.8 deg/s
18.00
16.00
Quickest Turn = 15.8 deg/s
14.00
12.00
-450
-300
-150
0
Max. Sustained Turn = 11.6 deg/s
10.00
+150
8.00
6.00
4.00
Maximum
allowed
AoA (28)
+300
+450
MAXIMUM AIR SPEED
2.00
0.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750
CAS (Kts)
I – 1 - 27

Turn Rate (degree per second)
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Turn Performance – 10,000 ft
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•Special AB
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 12
(2xR-60 + 2xR-13M)
•GW=16,967 lbs / 7,986 kg
24.00
2G
3G
4G
5G
6G
7G
8G
9G
22.00
20.00
18.00
Quickest Turn = 17.1 deg/s
16.00
Quickest Turn = 14.6 deg/s
14.00
-450
12.00
-300
-150
10.00
Max. Sustained Turn = 10.2 deg/s
0
8.00
6.00
4.00
Maximum
allowed
AoA (28)
+150
+300
MAXIMUM AIR SPEED
+450
2.00
0.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750
CAS (Kts)
I – 1 - 28

Turn Rate (degree per second)
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Turn Performance – Sea Level
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•Max AB
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 12
(2xR-60 + 2xR-13M)
•GW=16,967 lbs / 7,986 kg
24.00
2G
3G
4G
5G
6G
7G
8G
9G
22.00
Quickest Turn = 20.4 deg/s
20.00
18.00
Quickest Turn = 16.8 deg/s
16.00
-450
-300
14.00
-150
12.00
Max. Sustained Turn = 11.9 deg/s
0
10.00
Maximum
allowed
AoA (28)
+150
8.00
6.00
4.00
+300
MAXIMUM AIR SPEED
2.00
0.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750
CAS (Kts)
I – 1 - 29

Turn Rate (degree per second)
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Turn Performance – 5,000 ft
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•Max AB
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 12
(2xR-60 + 2xR-13M)
•GW=16,967 lbs / 7,986 kg
24.00
2G
3G
4G
5G
6G
7G
8G
9G
22.00
20.00
Quickest Turn = 18.8 deg/s
18.00
16.00
Quickest Turn = 15.8 deg/s
14.00
-450
-300
12.00
-150
Max. Sustained Turn = 10.7 deg/s
10.00
0
8.00
6.00
4.00
Maximum
allowed
AoA (28)
+150
+300
MAXIMUM AIR SPEED
2.00
0.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750
CAS (Kts)
I – 1 - 30

Turn Rate (degree per second)
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Turn Performance – 10,000 ft
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•Max AB
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 12
(2xR-60 + 2xR-13M)
•GW=16,967 lbs / 7,986 kg
24.00
2G
3G
4G
5G
6G
7G
8G
9G
22.00
20.00
18.00
Quickest Turn = 17.1 deg/s
16.00
Quickest Turn = 14.6 deg/s
14.00
-450
12.00
10.00
-300
-150
Max. Sustained Turn = 10.1 deg/s
0
8.00
6.00
4.00
Maximum
allowed
AoA (28)
+150
+300
MAXIMUM AIR SPEED
2.00
+450
0.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750
CAS (Kts)
I – 1 - 31

Turn Rate (degree per second)
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Turn Performance – 15,000 ft
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•Max AB
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 12
(2xR-60 + 2xR-13M)
•GW=16,967 lbs / 7,986 kg
24.00
2G
3G
4G
5G
6G
7G
8G
9G
22.00
20.00
18.00
16.00
Quickest Turn = 15.5 deg/s
14.00
Quickest Turn = 12.5 deg/s
12.00
-450
-300
10.00
-150
8.00
6.00
4.00
2.00
Maximum
allowed
AoA (28)
Max. Sustained Turn = 8.1 deg/s
0
+150
+300
MAXIMUM AIR SPEED
0.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750
CAS (Kts)
I – 1 - 32

Turn Rate (degree per second)
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Turn Performance – 20,000 ft
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•Max AB
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 12
(2xR-60 + 2xR-13M)
•GW=16,967 lbs / 7,986 kg
24.00
2G
3G
4G
5G
6G
7G
8G
9G
22.00
20.00
18.00
16.00
14.00
Quickest Turn = 13.2 deg/s
12.00
Quickest Turn = 11.6 deg/s
10.00
8.00
-450
-300
-150
Max. Sustained Turn = 7.0 deg/s
6.00
0
4.00
2.00
Maximum
allowed
AoA (28)
+150
MAXIMUM AIR SPEED
0.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750
CAS (Kts)
I – 1 - 33

Turn Rate (degree per second)
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Turn Performance – 25,000 ft
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•Max AB
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 12
(2xR-60 + 2xR-13M)
•GW=16,967 lbs / 7,986 kg
24.00
2G
3G
4G
5G
6G
7G
8G
9G
22.00
20.00
18.00
16.00
14.00
12.00
10.00
Maximum
allowed
AoA (28)
Quickest Turn = 12.0 deg/s
Quickest Turn = 11.3 deg/s
-450
8.00
6.00
4.00
2.00
-300
-150
Max. Sustained Turn = 6.0 deg/s
0
+150
MAXIMUM AIR SPEED
0.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750
CAS (Kts)
I – 1 - 34

Turn Rate (degree per second)
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Turn Performance – 30,000 ft
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•Max AB
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 12
(2xR-60 + 2xR-13M)
•GW=16,967 lbs / 7,986 kg
24.00
2G
3G
4G5G
6G
7G
8G
9G
22.00
20.00
18.00
16.00
14.00
12.00
10.00
Quickest Turn = 11.0 deg/s
Quickest Turn = 10.2 deg/s
8.00
6.00
-450
-300
-150
Max. Sustained Turn = 5.0 deg/s
4.00
2.00
Maximum
allowed
AoA (28)
0
+150
MAXIMUM AIR SPEED
0.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750
CAS (Kts)
I – 1 - 35

Turn Rate (degree per second)
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Turn Performance – 35,000 ft
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•Max AB
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 12
(2xR-60 + 2xR-13M)
•GW=16,967 lbs / 7,986 kg
24.00
2G
3G 4G 5G 6G
7G
8G
9G
22.00
20.00
18.00
16.00
14.00
12.00
10.00
Quickest Turn = 9.3 deg/s
Quickest Turn = 8.5 deg/s
8.00
-450
-300
6.00
-150
4.00
2.00
Maximum
allowed
AoA (28)
Max. Sustained Turn = 4.5 deg/s
0
+150
+300
MAXIMUM AIR SPEED
0.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750
CAS (Kts)
I – 1 - 36

A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Climb Performance
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 12 (2xR-60 + 2xR-13M)
•50% internal fuel
•GW= 16,967 lbs / 7,986 kg
I – 1 - 37

Climb Angle (deg)
Excess Specific Power (ft/s)
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•Special AB up to 10,000ft
•Max AB from 15,000ft
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 12
(2xR-60 + 2xR-13M)
•GW=16,967 lbs / 7,986 kg
Instantaneous Constant Speed Climb Rate
600
550
500
450
400
350
300
250
200
150
0
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
45,000
100
50
0
0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80 1.90 2.00 2.10 2.20 2.30 2.40
Mach
Constant Speed Climb Angle
90.00
80.00
70.00
60.00
50.00
40.00
30.00
0
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
20.00
10.00
0.00
0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80 1.90 2.00 2.10 2.20 2.30 2.40
Mach
I - 1 - 38

Climb Angle (deg)
Excess Specific Power (ft/s)
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
•MIL Power
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 12
(2xR-60 + 2xR-13M)
•GW=16,967 lbs / 7,986 kg
Instantaneous Constant Speed Climb Rate
200
150
100
50
0
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
45,000
0
0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80 1.90 2.00 2.10 2.20 2.30 2.40
Mach
Constant Speed Climb Angle
90.00
80.00
70.00
60.00
50.00
40.00
30.00
0
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
20.00
10.00
0.00
0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80 1.90 2.00 2.10 2.20 2.30 2.40
Mach
I - 1 - 39

A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
Acceleration Performances
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 12 (2xR-60 + 2xR-13M)
•50% internal fuel
•GW= 16,967 lbs / 7,986 kg
I – 1 - 40

Time (s)
Time (s)
Acceleration Diagram
A1-Mikoyan-Gourevitch MIG-21bis iz.75A -NFM-000-r2
DATA BASIS : ESTIMATED
CONDITIONS:
•Standard Day
CONDITIONS:
•Standard Day
•Special AB up to 10,000ft
•Max AB from 15,000ft
0 10,000 20,000
Aircraft : MIG-21bis iz.75A
Engine :Tumanskiy R-25-300
CONFIGURATIONS :
•DRAG INDEX = 12
(2xR-60 + 2xR-13M)
•GW=16,967 lbs / 7,986 kg
180
Acceleration (Max Thrust AB)
165
10,000 ft
150
135
120
105
90
75
60
20,000 ft
45
Sea Level
30
15
0
0.30 30,000 0.40 0.50 30,000 0.60 36,000 0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.40 1.50 1.60
Mach
180
Acceleration (Max Thrust AB)
165
150
135
120
105
30,000 ft
36,000 ft
90
75
30,000 ft
60
45
30
15
0
0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80 1.90 2.00 2.10 2.20
Mach
I – 1 - 41