Limitations/good to know Flashcards
Max Cabin differential?
5.95 psi
Max cabin differential for taxi, take off and landing?
0.5 psi
Maximum cabin altitude pressurized?
8000 feet
Maximum battery load for take off?
0.1
minimum battery temperature for take off?
-20°C
What is the maximum wind speed for ground operations with the nose more than 30° of the wind?
50 knots
When ground maneuvering with winds between 9 and 20 knots and more than 30° off the nose what is the maximum power setting?
Flight idle with momentary increase for acceleration
When ground maneuvering with winds between 21 and 35 knots and more than 30° off the nose what is the maximum power setting?
Flight idle
When ground maneuvering with winds between 36 and 50G55 knots and more than 30° off the nose what is the maximum power setting?
Flight idle, down to disc if stopped
When must ground winds be recorded and reported to maintenance?
Winds greater than 50 knots more then 30° off the nose
During ground static operations with winds between 9 and 20 knots and more than 30° off the nose what is the maximum power setting?
Power lever angle of 60° maximum
During ground static operations with winds between 21 and 35 knots and more than 30° off the nose what is the maximum power setting?
Flight idle
During ground static operations with winds between 36 and 50G55 knots and more than 30° off the nose what is the maximum power setting?
Disc
What are the APU cranking and cool down limits?
1 minute on, 5 minutes off/1 minute on, 30 minutes off AND maintenance action required prior to another start attempt. (AOM 2.3.10)
What is the minimum ambient temperature APU?
-54°c
When must the APU be preheated?
Prior to start if more than one hour at -35°C or lower
What is the max ambient temperature for the APU?
+50°C or ISA +35°C whichever is lower
What is the max ambient temperature if the APU inlet louvres are installed?
+21°C
Can the APU be operated unattended?
Yes, unless passengers are on board
What are the APU restrictions during fueling?
It cannot be started while fuelling is in progress and shall not be operated during gravity refueling.
When is landing with bleeds on prohibited?
When tailwinds exceed 10 knots.
If taking off with Max take off power and up trim is disabled what is prohibited?
Bleeds on for take off
When are reduced NP landings prohibited?
Landings are accomplished at Vref ice. Tailwind exceeds 10 knots. Antiskid is inoperative. Category II approaches. Flight spoilers are in GND mode. Runways are contaminated.
Setting take off power prior to break releases prohibited when?
With winds greater than 8 knots and more than 45° off the nose.
What is the engine make and model?
Pratt & Whitney model PW 150A
What is the propeller make and model?
Dowty Aerospace R408
What is the maximum altitude and minimum SAT for an air start?
20,000 feet, minimum SAT -40°C for engine relight
How much automatic take off power up trim is available?
10% torque (nominal)
What is the maximum ambient temperature limit when using take off and landing settings of MTOP and MCP with the engine intake bypass doors open?
ISA +25°C
At MTOP what is the maximum torque?
106%
At MTOP what is the maximum ITT temperature?
880°C
At MTOP what is the maximum and NL and NH %RPM?
100% NH and 100% NL
What is the maximum NP rpm?
1020
What is the maximum allowable continuous NP over speed?
1071 RPM
What is the maximum ITT temperature for start?
920°C for 20 seconds maximum
What are the maximum oil pressures for start?
100 psi maximum above 0°C and 165 PSI below 0°C
What is the minimum oil temperature for start?
-40°C
What is the maximum transient torque?
135% for maximum of 20 seconds
What is the maximum transient ITT?
920°C for a maximum of 20 seconds
What is the maximum transient NL?
102.3% for a maximum of 20 seconds
What is the maximum transient NH?
101.2% for maximum of 20 seconds
What is the maximum transient NP?
1173 rpm for maximum of 20 seconds
What is the maximum transient oil temperature?
125°C limited to 20 seconds or limited to 5 seconds maximum for torque values above flight idle and less than 55%
What is the maximum reverse torque?
35%
What is the maximum reverse ITT temperature?
880°C
What is the maximum reverse NL percent?
100%
What is the maximum reverse NH percent?
100%
What is the maximum reverse NP?
1020 rpm
What will normal take off power (NTOP) torque indications be?
90% or 91%
What is the minimum oil temperature to unfeather the propeller?
-18°C
What is the minimum oil temperature for power above flight idle?
0°C
What is the minimum oil temperature for engine inlet ice protection prior to take off in icing conditions?
55°C
What is the minimum oil temperature for engine inlet ice protection in icing conditions within three minutes of take off power being set?
65°C
What is the maximum oil temperature with power levers between disc and flight idle?
125°C