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A project supported by AIRBUS and the CAAC
Date of the module
A project supported by AIRBUS and the CAAC
Date of the module
A project supported by AIRBUS and the CAAC
Date of the module
 Vs1g
Stall condition 1
n=1
No altitude loss
Suitable for
VsFAR < Vs1g
A320,A330,A340,B777….
 VsFAR
Stall condition 2
n <1
Altitude loss
Suitable for swept wing aircraft
VsFAR < Vs1g
A300,A310,B757,B767….
A project supported by AIRBUS and the CAAC
Date of the module
A project supported by AIRBUS and the CAAC
Date of the module
 Minimum control speed, take off climb: VMCA -
(JAR/FAR 25.149)
 It is the calibrated airspeed, at which, when the critical engine
is suddenly made inoperative; it is possible to maintain the
control of the aeroplane (that engine remaining inoperative)
and maintain straight flight with angle of bank of not more than
5°
A project supported by AIRBUS and the CAAC
Date of the module
A project supported by AIRBUS and the CAAC
Date of the module
Minimum control speed on the ground :
VMCG - (JAR/FAR 25.149)
 It is the calibrated airspeed, during the take off ,at
which, when the critical engine is suddenly made
inoperative; it is possible to maintain the control of
the aeroplane with the use of the primary
aerodynamics controls alone
A project supported by AIRBUS and the CAAC
Date of the module
A project supported by AIRBUS and the CAAC
Date of the module
1 - Limit load factors
2 - Maximum speed
3 - Minimum speed
4 - Other limitations ( environmental envelope and engine
limitations )
5 - Maximum structural weights
Table of Contents
A project supported by AIRBUS and the CAAC
Date of the module
-5000
0
5000
10000
15000
20000
25000
30000
35000
40000
45000
-80 -60 -40 -20 0 20 40 60
ISA.
ISA + 35°C
Take off and landing
39 100 ft
8 000 ft
A 320 - 200 Environmental envelop
A project supported by AIRBUS and the CAAC
Date of the module
 Engine limitations - (JAR/FAR 25.1521)
Example: CFM56 - 5A1
Operating
Condition
Time
Limit
EGT
°C
MAXIMUM ROTOR
SPEED
N1% N2%
STARTING 725
MAX CONTINUOUS Continu 855
TAKE OFF
and
5 mn
(normal)
890 102 105
GO AROUND 10 mn
(one engine
out)
890 102 105
A project supported by AIRBUS and the CAAC
Date of the module
1 - Limit load factors
2 - Maximum speed
3 - Minimum speed
4 - Other limitations ( environmental envelope engine limitations )
5 - Maximum structural weights
Table of Contents
A project supported by AIRBUS and the CAAC
Date of the module
Structure
Systems
Propulsion
Empty weight
A project supported by AIRBUS and the CAAC
Date of the module
Empty weight
Cabin
equipment
Crew
Catering
Dry operating weight
(Dow)
Basic weight
(BW)
A project supported by AIRBUS and the CAAC
Date of the module
Dow
Traffic load
Zero fuel weight
(ZFW)
Take-off weight
(TOW)
Landing weight
Trip fuel
Reserve
A project supported by AIRBUS and the CAAC
Date of the module
A project supported by AIRBUS and the CAAC
Date of the module
A project supported by AIRBUS and the CAAC
Date of the module
Parking
Trip fuel Alternate fuel
Touchdown
Brakes release
En route
reserve
Go around
PROC
DEP Alternate
Holding
DEST
Taxi
fuel
A project supported by AIRBUS and the CAAC
Date of the module
 JAR OPS
 Route: GREATER of (5% of the
planned trip fuel or an amount
subject to the approval of the
authority) or (quantity to fly for 5
min at holding speed at 1500 ft
above destination)
 Alternate: Calculated to the most
distant alternate airport
 Holding: quantity to fly for 30 mn
at holding speed at 1500 ft above
the alternate airport
 FAR 121 - international flight
 Route: a quantity to fly during a
period equivalent to 10% of the
total flight time
(departure/destination)
 Alternate: idem
 Holding: idem
A project supported by AIRBUS and the CAAC
Date of the module
 Maximum weights
　
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