Limitations

Question 1

What is the;
Max ramp weight,
Max zero fuel weight,
Max takeoff weight,
Max landing weight,
Minimum takeoff weight,
Minimum flight weight,

for the ATR 72-600?

Answer 1

Max ramp weight: 23170 kg.
max zero fuel weight: 21000 kg.
max takeoff weight: 23000 kg.
max landing weight: 22350 kg.
minimum takeoff weight: 13500 kg.
minimum flight weight: 13000 kg.

Question 2

Va:
Vmo:
Vmcl F0+F30:
Vra:
Vwipers:
Vmax tire speed:

Answer 2

Va: 175 kt
Vmo: 250 kt/ M 0,55
Vmcl F15+F30: 98 kt
Vra: 180 kt
Vwipers: 160 kt
Vmax tire speed: 165 kt (Ground speed)

Question 3

Vfe 15+30:
Vlo retract:
Vlo extend:
Vle:

Answer 3

Vfe 15+30: 180/145 kt (Xfly procedure)
Vlo retract: 160 kt
Vlo extend: 170 kt
Vle: 185 kt

Question 4

What are;
The tailwind limitations for takeoff and landing?
And what are the crosswind limitations on dry and wet rwy?

Answer 4

Tailwind: 10 kt
Dry runway: 35 kt (takeoff and F30 landing)
Wet runway: 28 kt (takeoff and F30 landing)

Question 5

Non-dry runway maximum recommended crosswind limitations?

Answer 5

RWYCC 5: 28 kt
RWYCC 4: 22 kt
RWYCC 3: 16 kt
RWYCC 2: 16 kt
RWYCC 1: 10 kt

Question 6

Max differential pressure:
Max negative differential pressure:
Max differential pressure for landing:
Max differential pressure for OVBD valve full open:
Max altitude for one BLEED OFF operation:

Answer 6

Max differential pressure: 6,35 psi
Max negative differential pressure: -0,5 psi
Max differential pressure for landing: 0,35 psi
Max differential pressure for OVBD valve full operation: 1 psi
Max altitude for one BLEED OFF operation: 20.000 ft

Question 7

Minimum height for AP engagement after takeoff:
Minimum height for use of either AP or FD:

Answer 7

Minimum height for AP engagement after takeoff: 100 ft
Minimum height for use of either AP or FD:
- Except during takeoff and approach: 1000 ft
- VS or IAS mode during approach: 160 ft
- CAT I APP mode: 160 kt

Question 8

What are the limitations in use of AUTOPILOT when in SINGLE SOURCE configuration (one ADC FAIL and/or one AHRS FAIL, and/or DUAL DC GEN LOSS)?

Answer 8

Do not use AP and/or YD:
- below 1000 ft
- IAS below 160 kt

Do not use AP with the STALL WARNING inoperative

Question 9

What is the total usable fuel in each tank?
And what are the maximum and minimum fuel temperatures JET-A1?

Answer 9

2500 kg total usable in each tank

Minimum fuel temperature, starting: -34
Minimum fuel temperature, operation: -38
Maximum fuel temperature: +57

Question 10

What is the minimum runway width and what are the crosswind limitations on runways less than 45 meters?

Answer 10

Ref OM-A, 8.1.2.2.2, P. 8-27

Minimum runway width 30 meters.
Crosswind limit reduced by 0,5 kts / every 1 meter below 45 m until 30 m.