Operating Limitations Flashcards
Maximum design ramp weight
10,700 lbs
Maximum design takeoff weight
10,600 lb
Maximum design Landing weight
9,800 lbs
Maximum design zero fuel weight
8,400 lbs
Take off weight is limited by the most restrictive of the following
Maximum certified takeoff weight
Maximum take off weight permitted by climb
Take off field length
Landing weight is limited by the most restrictive of the following
Maximum certified Landing weight
Maximum Landing weight permitted by climb requirements
Landing distance
The Cessna cj1 525 is powered by what type of engines
Williams International fj44-1a turbo fan
Minimum oil pressure at startup
25 psi minimum
What is the maximum allowable cold day start oil pressure
100 PSI for 5 minutes with oil pressure returning to normal range
The engine should not be operated above _____ %N2 until oil temp is above ____ °C.
85%N2. 10°C
Maximum ITT temperature at idle
620° C @ 56.2 +/- 1.3 %N2
What is the maximum ITT temperature at takeoff power?
820° C @ 99.3%N2
What is the maximum continuous ITT temperature?
796° C @ 99.3%N2
What is the oil temperature range for starting?
-40 to 121° C
What is the oil temperature range for idle?
-40 to 121 ° C
What is the oil temperature range for takeoff?
10 to 121° C
What is the oil temperature range during maximum continuous power?
10 to 121° C
Take off power thrust limit
Take off thrust 5 minute limit for engine life to TBO. Performance data, including Vmca in section 4, is based on the use of takeoff thrust setting.
What is the minimum oil pressure at idle?
35 PSI minimum
What is normal oil pressure range during takeoff power?
45-90 PSI
Minimum oil pressure is ____ PSIG when operating above 80% N2 and ____ PSIG when operating below 80% N2.
45 above. 35 below.
Engine start maximum Tailwind component
10 knots
Engine start maximum crosswind component
12 knots
Engine start maximum time to light off
10 seconds
Minimum ambient temperature for battery start
-18° C
Maximum temperature for engine start
39° C or 102° F
Maximum airport elevation for battery start
10,000 ft
Maximum airport elevation for ground external power start
14,000 ft
Minimum battery voltage for battery start
24 volts DC
Minimum / maximum external power current capacity for start
28 volts DC at 800 to 1100 amps
Engine power reduction at high altitude
Left and right ignition must be selected to “ON” prior to reducing power less than 90% N2 at or above flight level 350. Ignition may be returned to “Norm” after engines have stabilized at reduced power setting.
Starter cycle limitations
Three engine starts per 30 minutes with a 60 second rest period between Cycles
Use of an external power source with voltage in excess of ____ VDC or current in excess of ____ amps may damage the starter.
Voltage in excess of 29 volts or current in excess of 1100 amps may damage the starter.
Battery cycle limitations
Three engine starts per hour. Three generator assisted cross starts are equal to one battery start. If an external power unit is used for start, no battery cycle is counted.
Ground operation generator current limitations
300 amps for less than 15 minutes. 250 amps for 15 minutes or more.
Limit for ground operation of pitot/static heat
2 minutes
The maximum permissible oil consumption during normal operation is
.023 gallons per hour during normal operation
Maximum speed Mmo above 30,500 ft
0.710 Mach indicated
Maximum speed Vmo between sea level and 30,500 ft
263 knots indicated airspeed
Maximum flap extended speed for takeoff and approach position 15°
200 knots indicated airspeed
Maximum flap extended speed full flaps landing position 35°
161 knots indicated airspeed
Maximum flap extended speed ground flaps 60° ( prohibited in flight / failed to 60°).
140 knots indicated airspeed
Maximum landing gear extended speed VLE
186 knots
Maximum landing gear operating speed VLO
186 knots
Maximum speed brake operation speed VSB
No Limit
Maximum altitude limit for takeoff
14,000 ft
Maximum Tailwind component for takeoff
10 knots
Maximum ambient temperature for takeoff
39° C or 102° F
Minimum ambient temperature for takeoff
-53° C
What is the maximum intentional asymmetric fuel differential
200 lb
What is the maximum demonstrated asymmetric fuel differential in an emergency
600 lb
Maximum autopilot operation speed
263 knots or 0.710 Mach
Speed brakes must be retracted prior to ___ ft on landing.
50 ft
Maximum Tire ground speed
165 knots
Maximum operating altitude
41,000 ft
Maximum enroute generator load
300 amps up to 41,000 ft
Load Factor range with flaps zero
-1.52 to +3.6 G’s at 10,600 lb
Load factor with flaps take off and approach to land position between 15 and 35°
0.0 to +2.0 G’s at 10,600 lb
Normal cabin pressurization limitations
0.0 to 8.6 PSI differential
Autopilot minimum engage height
250 ft AGL
Autopilot minimum use height during Cruise
1,000 ft AGL
Autopilot minimum use height during non-precision approach
250 ft AGL
Autopilot minimum use height during Precision approach
71 ft AGL
Continuous use of the supplemental oxygen system above ____ feet cabin altitude with passengers or above _____ feet cabin altitude crew only is prohibited.
Above 25,000 ft with passengers or above 41,000 ft crew only, continuous use of supplemental oxygen system is prohibited.
Icing conditions exist when indicated Ram air temperature in Flight is ____ or below and visible moisture in any form is present.
+ 10° C or below with visible moisture present - icing conditions exist
Minimum engine N2 speed for effective anti-icing
70% N2
Minimum temperature for operating tail de-icing boots
-35° C
Minimum AirSpeed for sustained flight in icing conditions except for approach and Landing
160 kts
For inoperative anti-skid
Multiply takeoff field length and Landing Distance by 1.4
Vmca
92 knots
Vmcg (on ground)
93 knots
Maximum demonstrated crosswind landing
21 knots
