Boeing 737 Classic B1.1
B1.1 type course, 737-300/400/500 with CFM56-3 engines
Airframe, systems, the APS 2000 and GTCP85 APUs and the CFM56-3 power plant. 732 questions in 18 chapters, each with a worked explanation. 5 questions in every chapter are free; the rest come with the same subscription as the Part 66 modules.
Chapters
18 chapters · 732 questions
- ATA 05–12Aircraft General and ServicingJacking, towing and taxiing, parking and mooring, and servicing of fuel, hydraulics and engine, CSD and APU oil.34
- ATA 21Air Conditioning and PressurizationPacks and ram air, temperature control and trim air, equipment cooling, and both cabin pressure control systems.49
- ATA 24Electrical PowerCSD and VSCF generators, bus transfer, external power, TRs and battery, and the standby power system.48
- ATA 25, 33Equipment, Furnishings and LightsFlight deck and cabin furnishings, escape slides, cargo, master caution, interior, exterior and emergency lighting.64
- ATA 26Fire ProtectionEngine, APU, wheel well and wing/body overheat detection, cargo and lavatory smoke, and the extinguishing systems.43
- ATA 27Flight ControlsAilerons and spoilers, rudder and standby rudder, elevator feel, stabilizer trim, stall warning, flaps, slats and autoslat.49
- ATA 28FuelTanks and venting, boost pumps and crossfeed, low pressure indication, scavenge, pressure fuelling and quantity.43
- ATA 29Hydraulic PowerSystems A, B and standby, pumps and reservoirs, filters, PTU, servicing and indications.41
- ATA 30Ice and Rain ProtectionWing and cowl anti-ice, probe and window heat, wipers and rain repellent.36
- ATA 32Landing GearExtension and retraction, gear transfer unit, air/ground sensing, brakes, antiskid, autobrake and nose wheel steering.41
- ATA 35, 38Oxygen, Water and WasteCrew and passenger oxygen, portable equipment, potable water, water heaters, waste water and toilets.39
- ATA 36Pneumatic5th and 9th stage bleed, PRSOV and precooler, isolation valve, APU and ground air, and bleed trip protection.33
- ATA 49APS 2000 APUThe APS 2000 APU with FADEC: inlet door, fuel and start sequence, bleed and cooling air, oil and fault display.38
- ATA 49GTCP85-129 APUThe GTCP85-129 APU: start and speed switch logic, protective shutdowns, governor and thermostats, bleed and oil.32
- ATA 51–57Structure and WindowsFail-safe design, body sections and stations, struts and fuse pins, stabilizer and fin, windows and wing box.28
- ATA 52DoorsEntry and service doors, cargo doors, overwing hatches, flight deck door lock, airstair and door warning.33
- ATA 70–73CFM56-3 Engine, Fuel and ControlEngine modules, MEC and PMC, fuel distribution, sensors, VSV and VBV, and clearance control.38
- ATA 74–80CFM56-3 Ignition, Controls, Reverser, Oil and StartIgnition, HPT clearance control, engine controls and fire handle, indicating, thrust reverser, oil and air starter.43
Try a few
One free question from each of 6 chapters. Pick your answer, then open the explanation.
ATA 21 · Air Conditioning and Pressurization
What are the three main parts of the cooling equipment in each 737 Classic air cycle system?
- A.Primary HX, secondary HX, ACM
- B.Precooler, ACM and the mix manifold
- C.Ram air fan, condenser and reheater
Show answer and explanation
Correct answer: A. Primary HX, secondary HX, ACM
Each air cycle system has a primary heat exchanger, a secondary heat exchanger and an air cycle machine, in a bay under the centre fuselage. Ref 737-300/400/500 AMM 21-51-00.
ATA 26 · Fire Protection
How many fire extinguisher bottles serve the 737 Classic engines?
- A.Two, either to either engine
- B.One for each engine, fixed in place
- C.Three, with one kept as a reserve
Show answer and explanation
Correct answer: A. Two, either to either engine
Two bottles give two-shot extinguishing at either engine. Ref 737-300/400/500 AMM 26-00-00.
ATA 29 · Hydraulic Power
How many hydraulic systems does the 737 Classic have?
- A.Two: left and right only
- B.Four: A, B, C and standby
- C.Three: A, B and standby
Show answer and explanation
Correct answer: C. Three: A, B and standby
Three separate 3,000 psi systems: A, B and the standby system, which gives reserve power for critical systems. Ref 737-300/400/500 AMM 29-00-00.
ATA 35, 38 · Oxygen, Water and Waste
Where is the 737 Classic crew oxygen cylinder installed?
- A.Forward cargo compartment, right sidewall
- B.In the E/E bay, below the flight deck floor
- C.Behind the first officer's seat, in a rack
Show answer and explanation
Correct answer: A. Forward cargo compartment, right sidewall
The crew oxygen cylinder is on the forward right sidewall of the forward cargo compartment. Ref 737-300/400/500 AMM 35-12-00.
ATA 49 · GTCP85-129 APU
What compressor and turbine does the 737 Classic GTCP85-129 APU have?
- A.Centrifugal compressor, radial turbine
- B.An axial compressor with a two-spool turbine
- C.A free power turbine with a load compressor
Show answer and explanation
Correct answer: A. Centrifugal compressor, radial turbine
The GTCP85 has a two-stage centrifugal compressor (double-entry first impeller) and a radial turbine wheel. Ref 737-300/400/500 AMM 49-21-00 (GTCP85-129).
ATA 70–73 · CFM56-3 Engine, Fuel and Control
What type of engine is the 737 Classic CFM56-3?
- A.Low bypass, three spool turbofan
- B.High bypass, geared turbofan
- C.High bypass, twin spool turbofan
Show answer and explanation
Correct answer: C. High bypass, twin spool turbofan
The CFM56-3 is a high bypass, dual-rotor, axial flow turbofan. Ref 737-300/400/500 AMM 72-00-00.
Questions about this course
What does this course cover?
Airframe, systems, the APS 2000 and GTCP85 APUs and the CFM56-3 power plant. It is written for the 737-300/400/500 with CFM56-3 engines, in 18 chapters that follow the ATA order of the type course.
Why are the courses kept apart?
So you only practise what your own course covers. The Boeing 737 Classic B2 type course have their own question banks.
Is it included in the subscription?
Yes. Every chapter has 5 free questions to try, and all 732 questions come with the same Part66Exams subscription as the Part 66 modules, at no extra cost.
Are these the questions from my course exam?
No. They are written in our own words for revision. Your type course and the aircraft maintenance manual stay the authority, as limits and procedures can differ between airframes and operators.
Can I practise in another language?
Yes. Every question can be read in English or 15 other languages, with a switch back to the original English.