Hawker 125 (Series 1 through 900XP)


-1 Automatic Thrust Limiter System (Viper Engines Only)



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24-1

Automatic Thrust Limiter System (Viper Engines Only)


C

2

0

(O) May be inoperative provided Revolutions Per Minute (RPM) and JPT can be controlled manually.




Confirm that takeoff power can be set manually.

31-1

Fuel Flow Indicators


C

2

1

(O) One may be inoperative provided:

  1. Associated RPM and JPT/ITT indicators are operative,

  2. All fuel quantity indicators are operative, and

  3. A fuel monitoring procedure is established and used.




  1. Confirm associated RPM and ITT indicators operate normally,

  2. Confirm all fuel quantity indicators are operative, and

  3. During flight, monitor engine gauges to ensure that both engines are operating normally,

  4. Fuel consumption will be monitored to ensure that abnormal fuel imbalances do not occur.

  5. Fuel flow may be available on the Fuel Management page in the FMS.




Maintenance and Operational Procedures
for Federal Aviation Administration Master Minimum Equipment List - No: 7 - 09/07/2007


1. SYSTEM,
Sequence Numbers & Item


Repair Category




2. Number Installed







3. Number Required for Dispatch

MAINTENANCE
PROCEDURES


OPERATIONAL
PROCEDURES

74 – IGNITION











4. Remarks and Exceptions

10-1

Ignition Systems


B

4

3

(O) One igniter on one engine may be inoperative provided:

  1. Aircraft is not operated in visible moisture or from contaminated runways, and

  2. Aircraft is not operated in known or forecast icing conditions.




  1. Prior to each flight, confirm that only one igniter is inoperative on only one engine.

  • With battery power only on, select Ignition “ON”, and

  • Then listen to each engine for two distinct “snaps”. If only one distinct “snap” is noticed only one igniter is working on that engine.

  1. Ensure that the aircraft is not operated in visible moisture or from wet or contaminated runways, and

  2. Aircraft is not operated in known or forecast icing conditions.

  3. Plan flights to avoid any of the above mentioned conditions.




Maintenance and Operational Procedures
for Federal Aviation Administration Master Minimum Equipment List - No: 7 - 09/07/2007


1. SYSTEM,
Sequence Numbers & Item


Repair Category




2. Number Installed







3. Number Required for Dispatch

MAINTENANCE
PROCEDURES


OPERATIONAL
PROCEDURES

77 - ENGINE INDICATING











4. Remarks and Exceptions

10-2

Engine Indications




















1)

N1 Indicator Digital Readouts



















a)

Digital Readout(s) (Except Pro Line 21-Equipped Aircraft)

C

-

0










2)

N2/RPM Indicators

C

2

1

(O) One may be inoperative provided N1 and Fuel Flow Indicators for the associated engine are operative.




Prior to each departure, confirm that the N1 and Fuel Flow Indicators for the associated engine are operative.

a)

Digital Readout(s)

C

-

0










3)

Interstage Turbine Temperature (ITT) / Exhaust Gas Temperature (EGT) Indicators



















a)

Digital Readout(s) (Except Pro Line 21-Equipped Aircraft)

C

-

0









32-1

Power Loss Indicator Systems (Viper Engine Only)


C

2

0

(O) May be inoperative provided all remaining engine indicating systems are operative.




Prior to each departure, confirm all remaining engine indicating systems are operative.

32-2

Above 92% Light Systems (Viper Engine Only)


C

2

0

(O) May be inoperative provided alternate procedures are established and used.




Closely monitor engine RPM, especially when setting takeoff and climb power.

32-3

Climb Power Annunciators (TFE-731 Engines Except Pro Line 21 Equipped Aircraft)

C

2

0

(O) May be inoperative provided alternate procedures are established and used.




    1. Ensure climb power does not exceed AFM Limitations.

    2. Non-Flying Pilot will monitor and adjust climb power as needed.

    3. 3. Captain will brief procedure to be used before each departure.




Hawker 125 (Series 1 through 900XP) Maintenance and Operational Procedures
for Federal Aviation Administration Master Minimum Equipment List - No: 8 - 02/18/2008


1. SYSTEM
Sequence Numbers & Item


Repair Category




2. Number Installed







3. Number Required for Dispatch

MAINTENANCE
PROCEDURES


OPERATIONAL
PROCEDURES

78 – ENGINE EXHAUST











4. Remarks and Exceptions

30-1

Thrust Reversing System (Series 700 and 800, If Installed, and 750, 800XP, 850XP and 900XP)


C

2

0

(M) (O) May be inoperative provided:

  1. No damage to the thrust reverser system exists which would adversely affect operation of the airplane, and

  2. A procedure is established and used to ensure that the associated thrust reverser(s) is disabled and pinned in the stowed (forward thrust) position.

Refer to Table 1 for maintenance procedure.

  1. Confirm that the associated (M) procedure for disabling thrust reverser(s) in the stowed position is accomplished, and

  2. Confirm that no apparent damage to the thrust reverser system exists which would adversely affect operation of the airplane, and

  3. Plan flight to ensure that safe landings can be made at the airports to be used with the thrust reverser(s) inoperative (INOP).

Note

Care should be exercised when advancing single reverse thrust to avoid controllability effects.


30-2

Thrust Reverser Indicating Annunciators


C

4

0

(M) (O) May be inoperative provided procedures are established and used to ensure associated thrust reverser(s) is disabled and pinned in the stowed (forward thrust) position.

Refer to Table 1 for maintenance procedure.

  1. Confirm that the associated (M) procedure for disabling thrust reverser(s) in the stowed position is accomplished, and

  2. Plan flight to ensure that safe landings can be made at the airports to be used with the thrust reverser(s) inoperative.

Note

Close attention should be paid to the appropriate brake cooling times as set forth in the Normal Procedures section of the Flight Manual.





Table 1
Thrust Reverser Maintenance Procedure

78 - EXHAUST


MAINTENANCE
PROCEDURES


30-2

Thrust Reverser Indicating Annunciators

1)

2)


Series 700 and 800, (If Installed)

Series 750, 800XP, 850XP and 900XP


For NORDAM (Dee Howard) Clamshell Thrust Reversers, perform the following steps:


  1. Verify that the airplane bus bars are de-energized and that no external electrical power is connected.

  2. Open and collar the Thrust Reverser (TR) circuit breakers (Refer to Table 2).

  3. Remove the outboard fairing from each TR.

  4. Verify that the TR’s are stowed and latched.

  5. On the outboard of each engine install the two latch lock pins through the latch box cover and the latch box.

Note

It may be necessary to remove the lockwire from the bolts in the latch box.



  1. Attach the two latch lock pins with screws.

  2. Lockwire the bolts in the latch box and route the wire over the lock pins.

  3. Inspect visible operating mechanism for evidence of damage.

  4. Install the outboard fairing to each TR.

  5. Put a warning placard over the annunciators in the flight compartment reading, ‘THRUST REVERSER INOP’.






For Aeronca Cascade Thrust Reversers, perform the following steps:


  1. Remove the inboard and outboard pneumatic latch access panels.

Note

Before the inboard access panel can be removed, the detachable panels on the engine mounting pylon, adjacent to the pneumatic latch panel, must first be removed.



  1. At each pneumatic latch-mounted switch assembly, verify that the switch operating plunger is fully up. Insert a stop pin and push the stop pin fully home.

NOTE

The stop pin is retained by its handling loop abutting the access panel when the panel is closed.



  1. At sub-panel DA-E open and collar circuit breaker C1 (LH system) and/or D1 (RH system).

  2. If both systems are to be inhibited, open and collar circuit breakers C4 and D4 (3A) and E1 (5A).

  3. Inspect visible mechanism for indications of damage.

  4. Check that blocker doors are correctly stowed and free of damage.

  5. Put a warning placard over the annunciators in the flight compartment reading, ‘THRUST REVERSER INOP’.


Table 2
Thrust Reverser Circuit Breakers



No. 1 Thrust Reverser Ident Panel DA-D

No. 2 Thrust Reverser Ident Panel DA-D

LH DEPLOY

RH DEPLOY

LH ANNUN

RH ANNUN

LH STOW

RH STOW




Maintenance and Operational Procedures
for Federal Aviation Administration Master Minimum Equipment List - No: 7 - 09/07/2007


1. SYSTEM,
Sequence Numbers & Item


Repair Category




2. Number Installed







3. Number Required for Dispatch

MAINTENANCE
PROCEDURES


OPERATIONAL
PROCEDURES

79 - ENGINE OIL











4. Remarks and Exceptions

30-1

Oil Pressure Low Warning Lights/ Annunciators


C

2

0

(O) May be inoperative provided:

  1. Associated Oil Pressure and Oil Temperature Indicators are operative,

  2. Associated Oil Tank is serviced to recommended capacity before each departure, and

  3. There is no evidence of above normal oil consumption or leakage.




  1. Confirm associated Oil Pressure and Oil Temperature indicators are operative,

  2. Associated oil tank is serviced to recommended capacity before each departure, and

  3. There is no evidence of above normal oil consumption or leakage.

  4. Monitor the oil pressure gauge during flight to ensure engine limitations are not exceeded.




Maintenance and Operational Procedures
for Federal Aviation Administration Master Minimum Equipment List - No: 7 - 09/07/2007


1. SYSTEM,
Sequence Numbers & Item


Repair Category




2. Number Installed







3. Number Required for Dispatch

MAINTENANCE
PROCEDURES


OPERATIONAL
PROCEDURES

80 – STARTING











4. Remarks and Exceptions

00-1

Starter Power Available Annunciator (TFE-731 Engines Only)


C

1

0









00-2

Starter Select Light (Viper Engines Only)


C

1

0









00-3

Starter Operating Annunciators (TFE-731 Engines Only)


C

2

0

(O) May be inoperative provided:

  1. Procedures are established and used to assure that start power and EXT PWR switches are disengaged when engine reaches self-sustaining speed, and

  2. Procedures are established and used to assure that associated generator(s) is (are) on line after each start.




  1. Start power and EXT PWR switches are disengaged when engine reaches self-sustaining speed, and

  1. Generator is verified to be on line. (Reference After Start checklist.)

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