Limitations Flashcards
MTOP (Oil Temperature)
45°C to 115°C
Minimum NH on the ground
66%
Normal cabin pressure differential limit
5.5 + or - 0.3 psi
Starter Cranking Time Limits
1 minute on, 2 minutes off for 2 starts, then 30 minutes off after 3rd start.
MTOP Time Limit
5 minutes
What FMS based approaches are prohibited?
ILS, LOC
AFCS (Glideslope)
Only approved for glideslope angles of 2.5° to 4°. Glideslope angles greater than 3° only approved for Flap 15°.
What mode of the AFCS may not be used when using a VOR without associated DME?
NAV and APP
Max Continuous (Max NL)
104%
Maximum cabin altitude (pressurised flight)
8,000 ft.
Maximum load meter reading for ground operation at or above 10°C (AC Generator)
0.33
Maximum operating altitude
25,000 ft.
NTOP (Max NL)
101.7%
Max Fuel Imbalance
272 kg
Maximum torque with propeller feathered
48%
Vfe 10°
154 knots
What are the vertical path angle limits on the FMS?
6° in en-route and terminal mode and 4° in approach mode
NTOP (Np)
1212 rpm
Transient (Np)
1320 rpm
Engine Start Tailwind limits (GPU assisted start)
35 knots
Maximum cabin pressure differential limit
5.95 psi
Maximum Operating Ambient Temperature
Lesser of 48.9°C or ISA + 35
Transient (Max NL)
104.3%
Vfe 15°
150 knots
Manoeuvring Limit Load Factors (Flaps Extended)
+2.0g/0.0g
Starting (Oil Pressure)
200 psi
On the AFCS, APP mode is not permitted with:
Flaps 35°/ Flaps 5° and autopilot engaged below 1500ft. AGL/ Flaps 0° and autopilot engaged below 500ft. AGL
Maximum Tailwind Component for Take-off and Landing
10 knots (20 knots for Air Nelson with Limitations)
Maximum Runway Slope
2% up or down
Vfe 5°
163 knots
Transient (Max ITT)
840°C
Maximum load meter reading for flight operation (AC Generator)
1.0
MTOP (Np)
1212 rpm
Transient (Max Torque)
115%
Vfe 35°
138 knots
Operating in Icing Conditions (Engine/Airframe)
Engine intake by-pass doors must be open and engine ignition switch at AUTO; When ice is detected, the AIRFRAME AUTO selector must be selected to FAST or SLOW
Engine Start Tailwind limits (Battery start)
No tailwind permitted
Useable fuel capacity
1287 kg each tank
MTOP (Max NL)
104%
When must the autopilot be disengaged on approach?
200ft above runway elevation
Icing Conditions (in Flight)
SAT in flight 5°C or below and visible moisture in any form is present (e.g. cloud/fog with vis one mile or less, rain, snow, sleet, or ice crystals)
Max Reverse (Np)
1212 rpm
May the AFCS be used OEI on an approach?
No
Maximum torque on the ground
92.5%
Engine
PW123
Cargo Compartment 3 Weight
181 kg
Max Continuous (Max NH)
102.7%
NTOP (Max ITT); Can this be exceeded?
765°C (May be exceeded by 5°C for a maximum of 30 seconds)
Max Continuous (Oil Temperature)
45°C to 115°C
Cargo Compartment 2 Weight
454 kg
Maximum Ramp Weight
19,595 kg
Maximum load meter reading for ground operation below 10°C (AC Generator)
1.0
Maximum load meter reading for ground operation (Inverter)
1.0
Max Continuous (Max ITT)
800°C
NTOP (Oil Pressure)
55 psi to 65 psi
Maximum Zero Fuel Weight
17,917 kg
NTOP (Max NH)
101%
Max Reverse (Max ITT)
765°C
Icing Conditions (Ground)
SAT 10°C or below and visible moisture in any form is present (e.g. cloud/fog with vis one mile or less, rain, snow, sleet, or ice crystals) or operating on ramps, taxiways or runways where surface snow, ice, standing water, or slush may be ingested by the engines or freeze on engines, nacelles or engine sensor probes.
Max Reverse (Oil Pressure)
55 psi to 65 psi
Manoeuvring Limit Load Factors (Flaps Retracted)
+2.5g/-1.0g
Vmo (0-17,000 ft.)
243 knots
Maximum cabin pressure differential limit during taxiing/take-off/landing
0.5 psi
Maximum load meter reading for flight operation (TRU)
1.0
When is lower than normal oil pressure acceptable?
Between 40 and 55 psi is allowed at engine speed below 75% NH
Cargo Compartment 1 Weight
839 kg
Maximum Tyre Speed
165 knots
Engine Start Tailwind limits (APU or Cross Generator assisted start)
20 knots
Maximum load meter for ground operation (TRU)
1.0
Time limit for above normal maximum oil temperature
115°C to 125°C is time limited to 20 minutes
Centre of Gravity Limits
15% MAC to 40% MAC
MTOP (Max Torque)
105.6%
What is the general time limit for Transient Limits
20 seconds, unless otherwise stated
After take-off or go-around, what is the minimum height for autopilot engagement?
1000ft. AGL
Max Continuous (Oil Pressure)
55 psi to 65 psi
Max Continuous (Np)
1212 rpm with 90% Torque; 1125 rpm with 96% Torque
Max Continuous (Max Torque)
90% for 1200 Np; 96% for 1125 rpm
Maximum Landing Weight
19,051 kg
Vmo (25,000 ft.)
214 knots
Minimum Oil Temperature for Start
-40°C
MTOP (Max NH)
102.7%
Vlo
163 knots
MTOP (Max ITT)
800°C
Vmo (20,000 ft.)
232 knots
NTOP (Max Torque)
92% (90% in flight)
AFCS Category
Category II Approval but not permitted
Minimum oil temperature prior to un-feathering propeller
0°C
Transient (Oil Temperature)
125°C
Maximum altitude for air start
20,000 ft.
Max Reverse (Maximum Torque)
90%
Starting (Max ITT)
840°C to 900°C for 12 seconds; 900°C to 950°C for 5 seconds
Maximum altitude for extending landing gear or wing flap
15,000 ft.
Minimum Operating Ambient Temperature
-54°C
Minimum flight idle NH
66%
Max Reverse (Max NL)
101.7%
MTOP (Oil Pressure)
55 psi to 65 psi
Alternate Gear Extension Speed
140 knots
Max Reverse (Max NH)
101%
Maximum load meter reading for flight operation (DC Generator)
1.0
Maximum total baggage compartment weight
1,134 kg
Maximum Crosswind Component
36 knots
Maximum load meter reading for ground operation (DC Generator)
0.7 (may be exceeded for up to 1 minute for internal battery starting of engines)
Transient (Max NH)
103.7%
Maximum Take-off Weight
19,505 kg
Vle
173 knots
NTOP (Oil Temperature)
45°C to 115°C
Bleed air position for take-off and landing
OFF
Va
177 knots
Maximum load meter reading for flight operation (Inverter)
1.0
Maximum operating altitude for take-off and landing
10,000 ft.
Vra
190 knots
Max Reverse (Oil Temperature)
45°C to 115°C
Propeller prohibited range for ground operation
500 to 780 rpm
