A320 CH27

27

1.       THERE ARE 2 FLAP AND 5 SLAT

2.       A321 HAS DOUBLE SLOTTED FLAP

3.       SPD BRAKE IS 2,3,4 AND ROLL SPOILER IS 2,3,4,5

4.       SIDE STICK P/B HAS 2 FUNC: A/P DISCON AND PRIORITY GIVE

5.       SIDE STICK PRIORITY LIT ON TO IND LAST PRIORITY GENERATED IN ELAC & SEC

6.       STICK FAIL THEN MASTER CAUTION + CRC

7.       IF NO PRIORITY SELECTED CAPT & F/O LITS FLASH AND AURAL “DUAL INPUT” EVERY 5SEC

8.       BOTH STICK MOVE:

a.       SAME SIDE : ADDED

b.      DIFF SIDE: SUBTRACTED

9.       AFTER TOUCH DOWN THS GOES TO NEUTRAL

10.   RUD TRIM SW OPERATES ELEC TRIM ACTUATOR TO NEW NEUTRAL POS

11.   GND SPOILERS SHOWN IN WHEEL PAGE

12.   FLAP SLAT SHOWN IN ENG WARN DISPLAY

13.   EFCS COMPUTERS:

            a.       2 ELAC (ELEV & AIL COMP) FOR PITCH / ROLL

            b.      3 SEC (SPOILER & ELEV COMP) FOR PITCH/ROLL

            c.       2 FCDC (FLT CONT DATA CONCEMTRATOR) FOR TEST & IND

            d.      2 FMGC (FLT MANAGE & GUIDANCE COMPUTER) FOR A/P CMD

            e.      2 SFCC (SLAT/FLAP CONT COMPUTER)

14.   ALL COMP ARE IN AFT AV BAY BUT SEC3 IS IN FWD

15.   NORMALLY ELAC2 ACTIVE IN PITCH,ELAC1 IN ROLL ,SEC’S  FOR SPOILERS

16.   ALL SURFACE ARE ELEC CONT & HYD ACTUATE

17.   RUDD & THS ALSO HAS A MECH CONT

18.   RUD TRIM & TRAVEL LIMIT AND THS SERVO ARE ELEC OPERATED

19.   RUD TRIM AUTO CONT BY FMGC AND MANUALLY VIA FAC

20.   NORMALLY ONE ELEV CONT BY ELAC & ONE BY SEC

21.   AIL,ELEV AND YAW DAMPER HAVE 2 SERVO : ONE IS ACTIVE

22.   THS HAS ONE SERVO CONTROL WITH 3 ELEC MOTOR 2 HYD MOTOR CONT BY SEC OR ELAC

23.   3 THS ELEC MOTOR:

                       a.       #1 CONT BY ELAC2

                       b.      #2 BY ELAC1 & SEC1

                       c.       #3 BY SEC2

24.   FLAP/SLAT HAS PCU

25.   EFCS COMPUTERS HAVE 3 LAW:

                                       a.       NORMAL : FULL PROTECTION

                                       b.      ALTERNATE: IF NORMAL FAIL SOME PROTECTION REDUCED

                                       c.       DIRECT : NO PROTECTION

26.   DIRECT LAW ACTIVATED ON GND

27.   WING TIP BRAKE HYD ACTIVE CAN RESET ON GND

28.   PPU (POS PICKOFF UNIT) SENDS FLAP/SLAT POS TO SFCC & ECAM

29.   2 FLAP SENSOR BETWEEN IN & OUT FLAP SEND FLAP FAIL TO LGCIU

30.   SLAT CAN’T RETRACT IN HI AOA ( α LOCK)

31.   SPOILERS ARE AUTO RET IF FAIL

32.   YAW MOVE IS 25° BUT IN A319 IS 30°

33.   ELAC SEND YAW DAMP & TURN COORD TO FAC

34.   FAC DO YAW DAMP IF NO ELAC OR A/P NOT ENGAGE

35.   EMER GEN RUN THEN FAC1 ALTERNATE LAW ACTIVE

36.   RUD MOVE IS 3.5° MAX IF A/S > 380KTS LIMITED BY FAC

37.   IF BOTH FAC FAIL FULL DEFLECTION AVAIL IN SLAT EXT   AND RUD TRIM LIM IS IN LOW SPD

38.   ROLL ORDER HAS PRIORITY OVER SPD BRK

39.   SPD BRK RET IF α FLOOR ACTIVE

40.   SPOILERS HAS NO BACKUP IF SEC FAIL

41.   IPPU AND FPPU ARE IN DIFF GEAR BOX AND APPU ON WTB

42.   IPPU SEND SIG TO ECAM AND FPPU/APPU TO SFCC

43.   ENG FAIL COMPENSATION ACTIVE IN T/O , G/A, RUNWAY 

B747 CHAPTER 27

27

AIL

1. AIL:
        OUTER: -15 TO +25, A LOCKOUT MECH PREVENT OUTER MOVE WHEN FLAP RET
        INNER: -20 TO +20
2. BOTH CONT COLUMN MOVE GOES TO L/H AIL CCA (IS IN R/H WING W/W)
3. R/H CCA PREVENTED FOR SAFETY BY LOST MOTION DEVICE
4. A/P A USES R/H AIL CCA USE HYD3,4
5. A/P B USES L/H CCA WITH HYD1,2
6. AIL POS TX IS ON OUTERS AND SPOILER4,12 (ZERO IND IN HI SPD)
7. AIL TRIM DONE BY AN ELEC ACTUATOR ON L/H CCA
8. 4 FLT CONT S/O VLV FOR AIL AND SPOILERS ARE IN WING REAR SPAR
     AND 4 USED FOR ELEV AND RUDD IN STAB COMPARTMENT

SPOILER

1. 6 SPOILER EACH WING:
                                           5 IN FLT MAX 20
                                           1 IN GND: 6 AND 7 MAX 45°
2. AIL MOVEMENT FROM CCA GOES TO MIXER FOR FLT SPOILER MOVE
3. SPOILER HANDLE LOCKED IN FLT POS
4. RATIO CHANGER OP BY A VLV TO INCREASE SPOILER EXT TO 45°
5. RATIO CHANGER PREVENTS SPOILER5,8 TO MOVE >20 IN FLT
6. GND SPOILERS HAS 3 POS (0,20,45) BUT FLT HAVE ANY POS
7. AUTO SPD BRK LIT ON IF :
                                                   DISAGREE BETWEEN THR AND ACTUATOR
                                                   FAULT OF HYD 1,4
                                                   TILT FAULT
                                                   ELEC FAILURE
8. THR1,3 MUST IDLE TO OPERATE SPD BRK (OR REVERSE2,4)

FLAP

1. LEADING EDGE FLAP:
                                       KRUGER: 11, 12, 13
                                       VARIABLE CAMBER
2. TRAIL EDGE FLAP INBOARD HAS NO BACK BRK AND TORQ LIM
3. LE FLAP HAS 4 HYD PDU:
                                              1 TO 5
                                              6 TO 8
                                              9, 10
                                              11 TO 13
4. EACH PDU HAS ALT ELEC MOTORTE FLAPS HAS 2 PCU:
                     INBORD: HYD1
                     OUTB: HYD4, IT HAS BYPASS VLV TO CUT HYD IN ALT MOTOR OPERATION
5. TE FLAP MAX EXT:
                                   HI SPD (>178KNS): IS 25°
                                   LO SPD: IS 30°
                                   *BY SPD SENSOR IN MEC
6. EACH LE HAS 2 LIT ON P4:
                                                 GREEN: POS REACHED
                                                 AMBER: TRANSIT OR DISAGREE
7. T/O WARN IF LE NOT EXT OR TE NOT IN T/O RANGE OR SPD BRK NOT ARM
8. L/H INB FLAP POS TX GOES TO STALL WARN COMP

STAB

1. STAB HYD MOTORS:
                                 L/H: HYD2
                                 R/H HYD3
2. SECONDARY BRK APPLIED TO GEARBOX OUTPUT
3. RELEASE LIT ON IF BRK NOT APPLIED
4. HYD MOTORS HAVE 4 SOLE FOR: CONT, ARM, A/P, ELEC
5. HYD MOTORS GETAUX PITOT( SPD )AND FLAP POS TO DECREASE RATE IN HI SPD
6. STAB SW:
                 CUTOUT: IN MEC PREVENT MOVE OPPOSITE TO ELEV
                 CUTOFF: ON PEDESTAL TO CUT HYD
7. GREEN BAND LIT (AMBER) WILL ON IF DISCREPANCY BETWEEN ITS SW AND NOSE L/G SW

ELEV

1. A/P USE INNER ELEV PCU
2. POS TX IS ON OUT ELEV
3. ELEV FEEL LIT ON BY FEEL COMPUTOR IF 25% DIFF BETWEEN 2 SYS
4. FEEL COMP INPUTS:
STAB POS
AUX PITOT
∆P SW

5. INNER ELEV CONN TO OPPOSITE OUTER ELEV
6. STALL WARN COMP IS IN P5 (O/H)
7. 747-SP HAS OVER ROTATION COMP IN E1
8. IF OVER ROTATION SENSED IN BODY AND N L/G NOT GND, OVR ROT CMPTR SEND SIG TO STALL WARN TO ACTIVE STICK SHAKER

RUDD

1. RUDD RATIO CHANGER REDUCES DEFLECTION TO 5° AT HI SPD(AUX P/S)
2. RATIO CHANGER HAS NO OUTPUT WHEN APU OR EXT PWR ON
3. 2 POS TX FOR EACH RUDD
4. ON ADI, RATE OF TURN SHOWN BY Y/D COMP