RUDDER
RUDDER A343C (HB-JMA-G/J-O)
A343E (HB-JMH/I) Max deflection 31.6°
MOT2
S2
RUDER LIMITS 35° < 150kts 4° > 350kts
[DC2]
BACKUP YAW DAMPER UNIT
ACTUATOR
P1
ELEC GEN
ACTUATOR
ELEC GEN
P1
ACTUATOR
ART FEEL
P3
Load factor demand Auto pitch Trim if less than 33° bank Direct deflection 50ft pitch down order
Roll rate
PROTECTIONS Load factor +2.5g / -1g clean NORMAL Load factor +2g / 0g not clean = Pitch 30°up / 15°down = Bank 67° / 33° stick neutral Side slip blue if eng failure High α, Vα prot, Vα floor, Vα max = High speed VMO+4, bank 0° with stick neutral Low energy warning Flaps 2,3 or FULL 100ft - 2000ft
same as Normal
Same as Normal except: ALTN 1 X no Pitch & Low energy prot High α: LOST if VS1g computation failure Low speed, nose down demand 5-10kts > Stall warning High speed, light nose up demand, symbol disappears
ELEC GEN
MOT2 [DC2]
RUDDER PEDALS
same as Normal
S1
[DC ESS SHED]
MOT1
S1
MOT2
S2
x
Same as Altn 1 except: Roll direct Spoiler 2,3 & 6 u/s X no Bank prot no Low speed prot if 2 ADR failed Yaw alternate no High speedif 3 ADR failed
F/CTL ALTN LAW (PROT LOST) same as Normal
Manual pitch trim only
NORMAL SELECTOR VALVE
NORMAL SERVO VALVE GRAVITY EXTENSION CUT OUT VALVE
LGCIU 1 [LAND REC]
BSCU CH1 [DC1] CH2 [DC2]
ACCU designed for 7 full brakes application or at least 12 hrs prk brk
GRAVITY EXTENSION SYS 1 [HOT 1] SYS 2 [HOT 2]
LGCIU 2 ALTERNATE ALTN & PARK BRK SERVO VALVE
Y ELEC PUMP runs if ENG 3 FAIL and FLAPS not 0° and speed>100kts
[AC1-1,DC1]
CARGO DOORS
ENG2 PUMP
CTL [DC1]
CTL [DC1] SHUT OFF VLV [DC2, DC ESS]
ELEC PUMP
[AC2-3,DC1]
HAND PUMP
ELEC PUMP
[AC1-2,DC2]
( IAS<280kts or MLG on GND ) and Gear Lever Down
SFCC 2
NWS LIMITS Steering hanwheels: max 72° at 14kts, 0° at 100kts Rudder pedals: TO: max 6° at 100kts, 0° at 150kts LDG: max 6° at 40kts, 0° at 100kts Towing max 65° Oversteer at 93°
ENG3 PUMP
ENG4 PUMP
CTL [DC2]
RAT
CTL [DC2] [DC ESS]
RESERVOIR
AUTO CTL [DC ESS] MAN CTL [HOT]
LIMITATIONS Normal pressure 3000 ± 200 psi RAT pressure ~2500 psi Fluid SKYDROL LD4 RESERVOIR PRESSURIZATION is achived by HP bleed air from engine 1 or x-duct bleed
[DC2]
ENG 2 REV
AILERONS ACTUATOR MODES - active, electrically controlled - damping, follows surface ROLL DEFLECTION LIMITS - 25° for ailerons - 35° for spoilers
NOSE WHEEL STEERING
RAT comes automatic out if all eng fail or G+B LO LVL or (ENG 1+4 FAIL and AC BUS 1.1 + 2.4 FAIL)
[DC2, DC ESS]
RESERVOIR
PRIM 1 PRIM 2 PRIM 3
ENG 3 REV
SFCC 1 [DC ESS
[DC ESS, HOT]
LAND REC]
ENG 1 REV
nd Ra
DB
SP
P3
L
P DS
GN
P2 P1
S1
P3 S2
2
[DC 2, DC 1]
SEC 1
SEC 2
[DC ESS]
ENG 4 REV
3
SFCC 1
4
WTB
SFCC1 SFCC2
SFCC1 SFCC2
[DC ESS SHED LAND REC]
6
S2
Slats 20° 20° 24° 24° 24° 24°
P2
P3
MOT1
MOT2
MOT3
WTB [DC ESS SHED]
Maneuver Load Allevation Roll Control
SLATS / FLAPS
P1
Flaps (ailerons) 0° (0°) 17° (10°) 17° (10°) 22° (10°) 26° (10°) 32° (10°)
[DC2, DC1]
STABILIZER TRIM
[DC2]
WTB
P1
P2
S1
S2
S2
P3
TRIM WHEEL
MOT MOT
STABILIZER LIMITS 14° nose up 2° nose down
VFE 255kts 215kts 205kts 196kts 186kts 180kts
Max altitude with Flaps/Slats extended is 20’000ft Slats ALPHA LOCK if α > 8.5° or IAS < 148kts T/O with conf 1+F, auto flaps retract at 200kts
SFCC1 SFCC2
S1
SFCC1 SFCC2
S1
P2
[DC 2]
[DC2]
5
P1
[DC 2, DC 1]
FCDC 1 FCDC 2
SFCC 2
1
[DC 2, DC 1]
[DC ESS, HOT]
SLATS FLAPS
RK
SERVO VALVE
HYDRAULICS
ACCU
[DC ESS]
RESERVOIR
G HYD from nose gear doors closing circuit
BOGIE LANDING PITCH SAFETY TRIMMER VALVE
GEAR LIMITS retraction 250kts/.55 extension 250kts/.55 extended 250/M.55 gravity ext 200kts max alt ext 21'000ft gear dn flt 255/M.60 tire speed 204kts
ACCU
ENG1 PUMP
ELEC PUMP
AILERONS / SPOILERS
WTB
DUAL SHUTTLE VALVE
ACCU
MAN PITCH TRIM ONLY
BSCU
[DC2]
ELECTRIC PUMPS Flow is ~18% of eng pump, used to retract surfaces but not to replace the eng pumps. EMER GEN G ELEC PUMP runs 25’ if ENG 1 (4) FAIL and GEAR selected up and speed>100kts or on GND with ENG 1 & 4 stopped to provide braking and nose wheel streering
MECHANICAL BACK-UP
Gear & doors selector valves
DUAL VALVE
PARKING BRAKE VALVE
DIRECT
LANDING GEAR / NWS NORM BRK
AUTOMATIC SELECTOR
x
USE MAN PITCH TRIM
RUDDER ONLY Yaw by BYDU A343E with BCM
F/CTL L + R ELEV FAULT
ALTN 2
No protection except Overspeed & Stall
Roll direct Yaw alternate
F/CTL DIRECT LAW (PROT LOST) Direct control
PTLU Pedal Travel Limit Unit
=
[DC ESS]
Maintenance action required if: - (TEMP difference on same gear > 150°C) and (1 BRK > 600°C or < 60°C) - average diff TEMP L/R > 200°C - a fuse plug has melt - Brake temp > 800°C
ECAM 1 1+F 2 RELIEF 2 3 FULL
FLARE
S2
BRAKE TEMPERATURE - T/O max 300°C - tyre deflates at ~800°C
P3
RA<100ft
S1
LP DISTRIBUTION LINE
AUTOBRAKE mode delay decel LO 1s 1.8m/s2 MED 0s 3m/s2 MAX max pressure DECEL light illuminates if 80% of rate in LO or MED and if 2.65m/s2 decel in MAX mode
FLT
RUDDER TRIM LIMITS 85% of deflection S2 limited to 29°
MOT1
ART FEEL
BRAKES
ROLL Direct deflection
F/CTL ALTN LAW (PROT LOST)
[DC ESS SHED]
[DC2]
PITCH Direct deflection
RA>50ft
ELEC GEN
MOT1
MOT2
GND
YAW DAMPER
ACTUATOR
BCM Backup Control Module
RUDDER TRIM PFTU (Pedal Feel and Trim Unit)
A343 FLIGHT CONTROL LAWS
BYDU
+
S2
RUDDER LIMITER
ACTUATOR
P3
S1
S1
[DC ESS]
P2 S1
MOT1
A343 ELEVATORS ELEVATOR ACTUATOR MODES - active, electrically controlled - damping, follows surface - centering, hydraulically maintained in neutral only if 4 jacks are unpowered (both sides)
P2
P1
P1
P2
S2
S1
S1
S2
ELEVATOR DEFLECTION LIMITS - 30° nose up - 15° nose down !!! NOT FOR OPERATIONAL USE !!! A340 ©Pierre-Michel Gasser , 26.3.2009
