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ATR 42

Limitations

QuestionAnswer
What is the required Flight Crew? Pilot, Co-pilot
What Types of Aircraft Operations are authorized? Parts 25 and 36, Day and Night, VFR and IFR, Flight in Icing Conditions, Reverse thrust taxi (1 and 2 engine)
Can you operate in Severe Icing Conditions? Prohibited from flight in severe icing conditions which are outside the certification envelope. Use Severe Icing EPC
What is the Maximum Operating Altitude? FL250
What is the minimum altitude for TO/LND? minus 1000 MSL
What is the maximum altitude for TO/LND? 8,500 MSL
What is the Minimum TO/Lnd Temp? -40c
What is the Max TO/Lnd Temp? 50c
What is the Limiting Tailwind Component? 10kts, Up to 15kts approved if supported by airport analysis
What is the Max Demonstrated Crosswind - T/O Dry Runway? 45kts
What is theMax Demonstrated Crosswind - Lnd Dry Runway? Flaps 30 = 38kts
When can we use Flaps 45? Emergency Only unless authorized
What is the Max Crosswind for the Cargo Door? 45kts
What is the Flight Maneuvering Load Limits - Flaps Up +2.5g to -1g
What is the Flight Maneuvering Load Limits - Flaps Down +2g to 0g
What is the Flight Maneuvering Load Limits - Gear Down +2g to 0g
What limitation applies to the TCAS - RA Fail mode? Follow audio annunciation "Maintain Vertical Speed
What limitation applies to the TCAS RA when manuevering close to stall speeds? Give airspeed priority when reaching stall warning
What is the Max Differential Cabin Pressure? 6.35psi
What is the Min Differential Cabin Pressure -0.5psi
What is the Max Differential Cabin Pressure for Landing? 0.35psi
What is the Max Differential Cabin Pressure for Overboard Valve? 1psi
What is the Maximum One Bleed Off Operations? 20,000
What is the Max Altitude After In Flight Depressurization? 10,000
What is the Max Altitude When Dispatched for Unpressurized Flight? 10,000
Max Altitude When Aircraft is Dispatched With One Bleed Inop? 17,000
When is Passenger Oxygen Needed? Above 10,000
What limitation applies to the Flight Director? Must be selected prior to AP enegagment
What is the Min Height for AP engagement? 500 ft AFL
What limitation applies to VOR Approaches using NAV? Collocated DME and DME Hold not used
What is the Min height for AP or FD use except T/O or APP? 1000 ft
What is the Min height for AP or FD use during APP? 160 ft
How long will you have electrical power during a Dual DC Gen Loss? 30 mins IMC flight
What limitation applies to use of the Idle Gate? Don't override in flight
What is the definition of Icing Inflight? TAT 7c or colder and visible moisture
What is the definition of Icing On Ground for Takeoff? OAT 5c or colder and visible moisture
What is Visible Moisture? Visible moisture is defined as cloud's fog with visibility less than one mile, rain, snow, sleet and ice crystals.
What is the definition of Ground Icing for Takeoff? OAT 5c or colder and surface snow, standing water or slush present on ramps, taxiways or runways.
What Anti-ice/Deice equipment must be on for all flight operations? Level One
What is Level One anti-ice/deice equipment? Prob HTG, Windshield HTG
For all takeoffs where atmospheric icing conditions will be encountered prior to 1500 ft. AFL, what anti-ice/deice equipment must be used? Level Two
What is Level Two anti-ice/deice equipment? Level One items plus, Props, Horns, Side Windows, Engines, Props 86% Np, AOA Light illuminated, icing speeds bugged and observed.
What Anti-ice/Deice equipment must be on for any flight operation into atmospheric icing conditions? Level Two
At the first sigh of ice formation, what anti-ice/deice equipment must be used? Level Three
What is Level Three anti-ice/deice equipment? Level Two plus, Continuous Relight and Airframe deicing ON.
When may Level Three be deselected? 5 minutes after leaving atmospheric icing conditions.
If clear of atmospheric icing conditions, when the airframe is not clear of all ice, what anti-ice/deice equipment must be on? Level One items plus, AOA light illuminated and Icing speeds bugged and observed.
What is the definition of Atmospheric Icing with Accretion? Ice Accretion visible on airframe of indicated by ice detector.
What actions must be taken if you encounter severe icing? Apply Severe Icing Procedure - Emer/Abnorm [ICE]
May flaps be used for enroute flight operations or holding? No, except for single engine operations.
When must the icing detection lights be operative? All icing detection lights (ice evidence probe light and wing illumination lights) must be operative prior to flight at nights in atmospheric icing conditions.
When must the Ice Detector be operative? The Ice Detector must be operative for operations in atmospheric icing conditions.
May you takeoff with airframe contaminants? Takeoff is prohibited when frost, snow or ice is adhering to the wings, control surfaces, propellers, stabilizers, pitot static ports or alpha probes.
May you takeoff on a contaminated runway? Yes. Standard Power Takeoff is not authorized. Takeoff is not authorized if standing water, slush or wet snow on the required length or width of the runway is more than 1/2" deep, or if dry snow accumulation is more thank 4" deep.
What limitation applies to an operational ferry flight with the pitch elevators disconnected? The use of Type II/IV deicing fluid is prohibited.
During flight, how do you determine severe icing conditions that exceed those for which the airplane is certificated? Primary Visual Clues are characterized by ice covering all, or a substantial part of the unheated portion of either forward side window, possibly associated with water splashing and streaming on the windshiled.
What are the secondary clues for detecting severe icing? unusual extensive ice accretion on the airframe in areas not normally observed to collect ice, accumulation of ice on the lower surface of the wing aft of the protected area, and accumulation of ice on the propeller spinner further aft than normally obser
May you use the autopilot if the visual clues exist or if you experience unusual lateral trim or autopilot trim requirements for severe icing? Since the autopilot may mask tactile clues... the use of the autopilot is Prohibited
What must be selected prior to autopilot engagement? A flight director mode.
When are VOR approaches authorized? VOR approaches using NAV mode with either autopilot or flight director are authorized only if:
What is the minimum height for use of either autopilot or flight director? Except during takeoff or executing an approach: 1000 ft. AGL
How long can you fly in IMC during a dual DC Generator Loss? 30 minutes.
What are the Normal Engine Operating Limits for Reserve Takeoff (RTO)? 5 Min limit.
What are the Normal Engine Operating Limits for Takeoff (TO) 5 Min limit
What are the Normal Engine Operating Limits for Max Continuous(MCT)? TQ: 85% / 90% overtorque
What is the minimum oil temperature for takeoff? 45 c
What is the maximum tailwind for HOTEL mode? 15 kts
May the A/C be left unattended during HOTEL mode operations? No, a qualified person must be in the cockpit.
In HOTEL mode, where must the power and condition levers be? Number 2 PL must not be advanced above the FI position.
What is the Max ITT for HOTEL mode operations? 785 c ITT
What is the maximum pressure for refueling? 50 psi
What is the total useable fuel quanity? 9920 lbs
What is the maximum fuel imbalance? 1212 lbs
What limitations apply to the use of the electric fuel pumps? Each electric pump is able to supply one engine in the whole flight envelope.
What limitations apply to the use of the jet fuel pumps? Each jet pump is able to supply both engines in the whole flight envelope except for takeoff.
What type of hydraulic fluid is approved? Hyjet or Skydrol
May you make locked brake turns while maneuvering? No, do not preform pivoting (sharp turns) on a landing gear with fully braked wheels except in case of emergency.
What is the total useable fuel quantity? 9920 lbs
What is the maximum fuel imbalance? 1212 lbs
Created by: superatr
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