Limitations Flashcards
Temperature limitation:
Below -30C perform the…..
Hydraulic Leakage Test in AFM section 05-12-00(UJC SOPs 1.3.5)
Cold soaked:
-30C for more than 7 hours
Takeoff prohibited until”Precautions after prolonged parking in cold weather” performed. UJC SOPs 1.9
Maneuvering load limit factors (mod 10)
Flaps Retracted: -1.0g to +2.65
Flaps extended: 0.0g to +2.0g
Mod 10 (Max Weights) Max Ramp: Takeoff: Landing: Zero fuel: Minimum flight weight:
Max ramp: 34,789 Takeoff: 34,524 Landing: 31,724 Zero fuel: 28,814 Minimum flight weight: 21,164
Maximum Operating Altitude
31,000ft pressure altitude
T/O and Landing
Maximum Altitude
8000ft
T/O and Landing
Max tailwind component
10 kts
T/O and Landing
Max demonstrated crosswind
24 kts
T/O and Landing
UJC maximum crosswind component
20kts
T/O and Landing
Maximum runway slopes
2% up to 2% down
Maneuvering speed Va
Va 190 KIAS
Max cruise:
Mach .66
Max speeds
Flaps extended Vfe
Flaps 12: 205 KIAS
Flaps 20: 180 KIAS
Flaps 32: 160 KIAS
Mod 00 flaps 12: 200 KIAS
Max speeds
Maximum landing gear speeds Vle=Vlo
200 KIAS
Max speeds
Max tire speed Vtire
180 kts GS
Max speeds
Maximum A/S windshield wipers
166 KIAS
Power plant: Pratt & Whitney 306B
Max Takeoff
Thrust setting: Max takeoff
Time limit: 5 min (1)
Max ITT C: 920 C
N1%: 105
N2%: 105
Oil pressure(2): 36 to 110
Oil temp C: 16 to 135
(1) MAx TO available unlimited time period during engine failure
(2) oil pressure below 36 only to complete flight, below 20 could damage engine
Power plant: Pratt & Whitney 306B
Max continuous thrust
Thrust setting: Max Continuous Thrust
Time limit: Continuous (1)
Max ITT: 920 C
N1%: 105
N2%: 105
Oil pressure(2): 36 to 110
Oil temp: 16 to 135
Power plant: Pratt & Whitney 306B
Flight Idle
Thrust setting: Flight idle
Time Limit: Continuous(5)
Max ITT: ————-
N1%: ————-
N2%: 65 (4)
Oil Pressure(2): 20 to 110
Oil temp: -40 to 135
(4) - required to show acceptable acceleration times takeoff thrust
(5) - function of ambient pressure
Power plant: Pratt & Whitney 306B
Ground Idle
Thrust setting: Ground idle
Time limit: Continuous
Max ITT: ————
N1%: ————
N2%: ————
Oil pressure(2): 20 to 110
Oil temp: -40 to 135
Power plant: Pratt & Whitney 306B
Starting:
Thrust setting: Starting
Time limit: ———
Max ITT: 950 C
N1%: ———
N2%: ———
Oil pressure(2): 0 to 220 (6)
Oil temp: -40 minimum (3)
(3) - motive flow should be off during cold day engine starts
(6) - after initiation of the engine start cycle, oil pressure should indicate a steady increase within 20 seconds of the start of N2 rotation.
Power plant: Pratt & Whitney 306B
Transient
Thrust setting: Transient
Time limit: 20 seconds 90 seconds
Max ITT: 930 C ———–
N1%: 106 ———–
N2%: 106 ———–
Oil pressure(2): 0 to 20 10 to 220
Oil temp: 143 C 143 C
Air turbine starter limits
2 start cycles permitted within 10 minutes
-each cycle not longer than 45 seconds followed by 10 min cooling
Or
2 minutes accumulated motoring time then 20 minutes cooling
Failed engine start 45 seconds
Dry motor 60 seconds
Second start attempt 5 seconds
(Permissible to exceed 2 minute motoring limitation)
Max fuel imbalance between left and right tank groups
310 lbs
Fuel pressure limits
50 psi manual or automatic up to 7800lbs
20 psi manual above 7800lbs
-10 psi is minimum de fueling pressure
Minimum fuel system operation SAT
Min SAT -55C
Pratt and Whitney 300 engines approved oils
5 centistoke oil (pwa 521 type2)
Third generation oils
(Must service oil with type that is already in it, cannot mix oils)
Oil tank
Gallons
Total oil tank: 2.11
Oil tank at Max: 1.85
Oil tank at min: 1.32
Total usable oil: 1.06
Total oil system filled at Max: 2.17
APU limits
Red line EGT
De/anti ice
Use of APU bleed on ground
Red line EGT 732 C
Off during de/anti ice fluids also off during taxi and takeoff after de icing
Don’t use APU bleed for ECS on the ground with one or more engines running
Max APU altitude and engine restart
APU start altitude
Max alt for ECS ops on APU bleed only
30,000ft
20,000ft
17,000ft
APU starter cranking cycles
3 consecutive start cycles 1 min 30 secs total cranking time
Followed by 10 minutes cooling
APU restart not permitted until complete roll down and APU master selected off and then for 2 minutes
Generator load limits
APU: 400amps. (Reduce APU genload during engine gen failures)
DC gen 1: 400 amps/ 26 vdc
DC gen 2: 400 amps/ 26vdc
AC Alternator 1: 90 Amps/115 vac/30 kva
AC Alternator 2: 90 Amps/115 vac/30 kva
Max load limit is 320 amps/28 vdc during prolonged engine ground doe rpm.
Aircraft on ground: single gen
DC tie closed
One pack
One ground cooling fan and one recirc fan must be off
Landing gear limitations
Max altitude for gear operation: 18,000ft
Towing without tow bar is prohibited
Flap system limitation
Max flap extended altitude: 18,000ft
ECS limitations
Takeoff and inflight with ECS off prohibited
Max cabin differential: 6.9 psi
Max cabin differential for landing: .4 psi
MAX Single pack operating: 25,000ft
Departure field elevation to landing field elevation in excess of 1500ft, min flight time with CPCS in auto: 15 minutes
On ground with OAT above 35 C, packs must be on for 2 minutes at least after bleed source has been switched off
Takeoff with APU and either engine bleed on at once is prohited
AHRS takeoff limit
3 degrees Max difference between PFDs and standby instruments on bank or pitch
Autopilot limits
ILS coupled: 100ft agl
Non precision: 200ft agl
Climb, cruise, descent: 500ft agl
With PFD or ATT failures, must raise min heights to
ILS coupled: 200ft agl
Non precision: 400 ft agl
Climb, cruise, descent: 1000ft agl
Autopilot use prohibited: Cautions
[RUDDER NOT LIMITED]
[RUDDER LIMIT FAIL]
Autopilot use prohibited when visual cues
- granular disperced I crystals or translucent or opaque ice layers building up within a few minutes after exposure near the windshield frames
- accumulation of ice on lower surface of the wing aft of the protected area
Ice conditions exist
1) OAT on the ground and FO takeoff, and in flight is 10C(50F) or below, and visible moisture in any form is present(such as clouds, fog with visibility of one nautical mile or less, rain, snow, sleet, and ice crystals)
2) OAT on the ground a for takeoff is 10C(50F) or below when 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 precipitation depth
Takeoff
Landing
Takeoff:
- standing water, slush or wet snow- .3 in
- loose snow- 1.1 in
Landing:
- standing water, slush or wet snow- .6 in
- loose snow- 2.4 in
Reduced thrust prohibited
- on contaminated runways
- if ice conditions exist on takeoff
- on narrow run (less 98ft in width)
- when windshear conditions exist
- when using APU bleed for ECS operations
- if periodic checks do not verify the availability of maximum rated takeoff thrust
- if obstacle height along the takeoff flight path exceeds 1500ft
FMS limitations
FMS annunciator must be illuminated at the FAF
FMS guided instrument approaches prohibited when in degraded mode
Dornier RVSM required operational equipment
1 autopilot 1 transponder 2 air data computers 1 fault warning computer 1 flap control unit
Max altimeter difference 200ft
Max number of infants on Laps
3
Except when necessary, do not use APU bleed for ECS when….
On the ground with one or both engines running
Pratt and Whitney 306B starter limits (ATS)
2 start cycles within 10 min 45 seconds each followed by 10 minutes cooling
Or
A max of 2 minutes accumulated motoring time and 20 minutes cooling
If start fails, 60 second vent motoring doesn’t count towards 2 minutes
