Speed, W&B and Loading Limitations Flashcards
What is the MRW Maximum Ramp or Taxi weight?
37,632lb (17,070kg)
What is the TOW Maximum Takeoff weight?
37,258lb (16,900kg)
What is the MLW Maximum Landing weight?
36,155lb (16,400kg)
What is the MZFW Maximum Zero Fuel weight?
34,259lb (15,540kg)
How is the Center of Gravity measured? What are the considerations?
The limits of the center of gravity are given in percentage of the mean aerodynamic chord (MAC), taking into consideration the landing gear extended.
What is the distance from the reference point DATUM to the reference chord leading edge?
The distance from the reference point DATUM to the reference chord leading edge is 11.425 meters (449.8 inches).
What is the MAC distance on the ATR42-320?
In the ATR42-320 the MAC is 2.285m long (89.96 inches).
Standard Mass for Crew Members Weight according to ATR
For the ATR 42-320 the standard mass for each flight crewmember is 85 kg (187.4 lb) and for each cabin crewmember 75 kg (165.3 lb).
Standard Mass for Pax Weight according to ATR
- 84 kg (185.2 lb) for all flights, except holiday charters
- 76 (167.6 lb) kg for holiday charters
and - 35 kg (77.2 lb) for children.
What is the Fuel Capacity for ATR42-320?
4,960lb per tank being
9,920lb Total
There are 2 forward cargo compartments. How much weight can each one hold?
1058lbs each (2116lbs total)
There are 2 sections on the aft compartment. The forward-aft compartment has a maximum capacity of?
560Lbs
There are 2 sections on the aft compartment. The aft-aft compartment has a maximum capacity of?
983Lbs
VMO and MMO for 320?
250 KIAS 0.55M
Va Manouvering Speed?
160 KIAS
Flaps 15 Speed Limitation?
170 KIAS
Flaps 30 Speed Limitation?
150 KIAS
Flaps 45 Speed Limitation?
130 KIAS (Emergency Only)
VLE and VLO
VLE 170 KIAS and VLO 160 KIAS
Max “Rough Air Speed” Turbulence Penetration speed “Vra”?
180 KIAS
Max Wipers Operation Speed?
160 KIAS
Max Tire Speed?
165 KIAS (Ground Only)
Max G Force load in general, flaps and gear extended too?
+2.5G and -1G “ Flaps Extended or Landing Gear Extended 2.0G both”
VMCL Speed? “Lower speed in Landing Config”
Flaps 15 = 91 KIAS Flaps 30 = 89 KIAS
Takeoff and Landing Tail Wind limitation?
10/15 KT
Maximum Cross-wind in takeoff and landing?
Takeoff 45kt Landing 38kt
Refueling Max Pressure in PSI?
50 PSI
Max Fuel Imbalance on both tanks?
1212 Lbs
Minimum Height for AP engagement?
100ft
Minimum Height for using AP and YD except for Takeoff, Go-around and Approach?
1000ft
VS and IAS use Altitude Limitation during approach?
160ft
CAT 1 Approach mode Altitude Limitation during approach?
160ft
Which engine on the ATR42-320 is the critical engine?
Left Engine
What is the VMCG and VMCA?
It’s not a fixed speed. Must be calculated
What is VMCL? What is the procedure? What is the speed for Flaps 15 and 30?
VMCL is the Minimum Control Speed During Approach and Landing. On VMCL to start a turn into the good engine you need at least 20° bank angle and it takes approximately 5 seconds to start turning. VMCL Flaps 15 = 91kt VMCL Flaps 30 = 89Kts
What is the VMLB Minimum Maneuvering Speed Low Bank? What is the bug colour on the ASI?
Limited Bank Angle of 15° for a certain speed according to the current aircraft weight.
This one is set on the White Bug
What is VGA speed?
Minimum speed to perform maneuvering during a go-around maneuvering
VGA = VmHB + 5kt or 1.1 x VMCA whichever is higher
What is the Vapp?
Final Approach speed in landing configuration + Winds correction speed
What is Vref?
Referencia Landing Speed
Consider Landing Configuration, Gear Down + Flaps 30° at Final Approach.
What is the appropriate NP Propeller setting during the Climb phase?
Set 86.3NP initially. When TQR reduces below 75%, set 77.3NP
About Max Torque calculation, which phases are mandatory to calculate max torque?
Takeoff and Go-around. The other phases we just calculate to cross-check if FDAU is working properly.
Which are the temperatures considered Atmospheric Icing Conditions?
On Ground = OAT +5 or below with visible moisture
In-flight = TAT +7 or below with visible moisture
Which are the temperatures and conditions considered Ground Icing Conditions?
OAT +5 or below with Standing water, Snow, Rain, or Slush when operating on TWY, RWY, or Ramp.
What is Decelerating Height? How is the calculation?
Altitude to start decelerating from 240Kts to VAPP
86NP = IAS x 10
77NP = IAS x 10 + 500
Ex: If I`m at 240kt and 86NP:
240 x 10 = 2400ft (This is the altitude to start decelerating to the VAPP.
What is the Max Demonstrated Xwind for Take Off, and for Landing using Flaps 30 and 45?
Takeoff = 45kt Landing Flaps 30 = 38kt Landing Flaps 45 = 20kt
For Go-around bleeds must be?
OFF
Max slope allowed for ATR operations?
+/-2%
What is the Dispatch Considerations for operation limitation with Landing Gear down the whole flight?
86%NP FL160 160KIAS
Can the airplane be dispatched to operate with flaps up?
Yes, unless the airplane will encounter Ice on the route. However, it causes a huge loss in performance
What is the PL angle where we can`t reduce more before feathering the bad engine in case of engine failure?
48 degrees on the PL
Holding speed?
160Kts Clean
