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B737-800 Dimensions
Lenght : 129ft 6inches (39.5m)
Height : 41ft 3inches (12.5m)
Span: 112ft 7inches (34.4m)
Min width to turn the airplane is aprox 77ft (23m)
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B737-800 Weight Limits
MZFW : 136,000 lbs
MTW : 156,000 lbs
MTOW : 155,500 lbs
MLW : 144,000 lbs
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Engines
CFM56-7
Hight by-pass ration, Electronice Engine control system, EEC
- 22,000 - 26,000 lb thrust
- 90kVA generators
- 61 inch fan diameter
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Range
Short to Medium range
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Max Operating Speed
0.82 Mach
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APU
- Electrical power to 41,000
- Bleed air to 17,000
- Both to 10,000
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Fuel System
- 3 tanks
- no.1 main -8630 lb
- no2. main -8630 lb
- Center -28,000 lb
- Total : 46,063 lb
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Passenger Cabin
- 184 Pax one class
- 160 Pax mixed class
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Flight Data Recorder
25hr of last Operation
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Normal Operations Checklists
BEFORE&AFTER START, BEFORE TO, SHUTDOWN,
- SECURE Chekclists - FO challenges, CPT responds
- AFTER TO, DESCENT-APP, LANDING Checklists - Pilot Not Flying PNF Challenges and responds
- When a CL stops you say - HOLDING AT....
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Non-Normal Operations
- Priority of Actions
- 1) Control airplane
- 2) Stop aural warning
- 3) Examine the situation
- 4) Reset master caution system
- 5) Make sure steps completed correctly
- 6) Start the checklist
- 7) Say \"Checklist Complete\"
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Fault Report Manuel FRM
- Flight crew enters the fault description and fault code. Includes :
- -Cabin faults, Observed faults, Front matter
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Fault Insolation Manual FIM
The maintenance crew uses FIM, to isolate and correct the faults
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FRM
Before using FRM , flight crew must do all the applicable non-normal checklist procedures
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Systems Powered Externally
Air condt. Pneumatic Syst. Electrical Syst.
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Servicable Systems
Crew Oxygen, IDG oil, Engine oil, Fuel, Hydraulic, Potable Water, waste water, APU oil
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Ground Handling Systems
All landing gear downlock pins must be installed when parked or towed. The nose landing gear steering must be depressurized before towing.
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External ELEC Power
115V 400Hz for aircraft systems, 115V 60Hz for cabin systems
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Engine Oil Servicing
The reservoir servicing can be done between 5-30 mins after engine shutdown. (Reserv. on the right side of eng cowling)IDG is on the left side of eng cowling
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Fuel Servicing
737 Fueled and defueled at the single-point station on the right wing
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Ground Handling
Nose wheel steering is depressurised with the towing lever. Downlock pins are ery important.
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Air Conditioning
- Have 2 Packs, same type. Even one would be enough for cabin by itself.
- Warm air from bleed air -> Heat Exchangers -> Air Cycle Machine
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Air Condt - Pack Operations
- The ram air doors are fully open while on ground and during slow flight with flaps extended. (For heat exchange)
- It has own light illumination on air condt panel
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Pack Temp Control Valve
To control the bleed air that goes into pack, you use the pack switches on air condt panel
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Air Conditioning
- The air from left pack first goes to the Flight Deck and rest goes to mix manifold.
- The air from right pack goes to mix manifold.
- From the mix manifold air goes to FWD and AFT Pax cabin
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Temperature Control - Air Condt
- Temperature control of 3 zones : Flight deck, FWD and AFT
- Pax cabin
- Trim air sys uses warm bleed air from upstream of the pack to warm up pack air for related zones
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EQP Cooling System
Supply fan collects the cool air from Pax cabin and supllies it to cocpit displays and E&E bayExhaust fan collects the warm air from cocpit displays, CBs and E&E bay. On the GND its open and discards warm air. During flight it sends the warm air to cargo bay
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Air Condt Non-Normal Operations
If downstream air temp from packs is too high we see the illumination : ZONE TEMP on the related Temp Controller/ We choose a colder selection and chechk the temperature change
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Pressurization System
-Has an outflow valve on aft fuselage-2 digital cabin press. controllers in E&E bay-Adjust the cruise and landing ALT on overhead Press Panel before T/O
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Pressurization System Non-Normal Ops
-Off-Schedule Descent-Diversion to Alternate Airport-Single controller failure-Dual cont fail-Cabin ALT higher then limits
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