Boeing 737NG B1.1
B1.1 airframe and systems course, 737-600/700/800/900
Airframe and systems chapters and the 131-9B APU. Flight controls, hydraulics, landing gear and the CFM56-7B engine are not covered yet. 385 questions in 11 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
11 chapters · 385 questions
- ATA 00–12Airplane General and Ground HandlingEngine hazard areas, external and hydraulic power, towing, parking brake, APU operation and maintenance documents.24
- ATA 21Air Conditioning and PressurizationOzone converters, packs and ram air, zone temperature and trim air, recirculation, equipment cooling and the digital cabin pressure control.40
- ATA 24Electrical PowerIDGs and APU starter-generator, GCU and BPCU protection, bus tie breakers, TRUs, batteries and standby power.40
- ATA 25, 33Equipment, Furnishings and LightsFlight deck and cabin furnishings, galleys and cargo lining, flight deck, cabin, exterior and emergency lighting.56
- ATA 26Fire ProtectionFire warning, lavatory and cargo smoke detection, APU fire detection and extinguishing, wheel well and wing/body overheat.34
- ATA 28FuelTanks and venting, boost pumps and crossfeed, spar valves, APU fuel feed, fuelling, defuelling and quantity indication.34
- ATA 30Ice and Rain ProtectionInlet cowl anti-ice, probe and AOA heat, flight deck window heat with WHCU BITE, and windshield wipers.30
- ATA 35, 38Oxygen, Water and WasteCrew and passenger oxygen, potable water and heaters, water quantity, and the vacuum toilet system.32
- ATA 36Pneumatic5th and 9th stage bleed, bleed air regulator and PRSOV, 450°F thermostat, precooler, bleed trip and isolation valve.25
- ATA 49131-9B APUAPU limits and start sequence, ECU protective shutdowns, fuel and bleed systems, IGVs, mounts and servicing.38
- ATA 52DoorsEntry and service doors, overwing exits and flight lock, cargo doors, door seals and wind limits.32
Try a few
One free question from each of 6 chapters. Pick your answer, then open the explanation.
ATA 00–12 · Airplane General and Ground Handling
What is the maximum passenger capacity quoted for the 737-600/700/800?
- A.Up to 220 passengers
- B.Up to 189 passengers
- C.Up to 149 passengers
Show answer and explanation
Correct answer: B. Up to 189 passengers
The 737-600/700/800 is a short to medium range airplane with up to 189 passengers. Ref Boeing 737-600/700/800/900 training manual, ATA 00.
ATA 21 · Air Conditioning and Pressurization
Why does the 737NG have ozone converters?
- A.To cool the bleed air further
- B.To remove fuel vapour from the air
- C.Remove ozone on high flights
Show answer and explanation
Correct answer: C. Remove ozone on high flights
For long periods above 26,000 ft ozone must be removed from the fresh air supply. Ref Boeing 737-600/700/800/900 training manual, ATA 21.
ATA 24 · Electrical Power
What is the rating of each 737NG integrated drive generator?
- A.120 kVA
- B.90 kVA
- C.75 kVA
Show answer and explanation
Correct answer: B. 90 kVA
IDG 1 and IDG 2 each supply 90 kVA, 115/200 V, 400 Hz. Ref Boeing 737-600/700/800/900 training manual, ATA 24.
ATA 25, 33 · Equipment, Furnishings and Lights
What minimum weight should be in a 737NG pilot seat for operational checks?
- A.100 lb
- B.250 lb
- C.170 lb
Show answer and explanation
Correct answer: C. 170 lb
Do operational checks with a person of at least 170 lb in the seat. Ref Boeing 737-600/700/800/900 training manual, ATA 25.
ATA 26 · Fire Protection
Which fire extinguishing systems does the 737NG have?
- A.Engine and APU only, with no cargo bottles
- B.Engine, APU and wheel well fire bottles
- C.Engine, APU, lavatory, cargo, portable
Show answer and explanation
Correct answer: C. Engine, APU, lavatory, cargo, portable
The airplane has engine, APU, lavatory and (on many airplanes) cargo extinguishing plus portable extinguishers. Ref Boeing 737-600/700/800/900 training manual, ATA 26.
ATA 28 · Fuel
Which tanks store fuel on the 737NG?
- A.Main tanks 1 and 2 and centre
- B.Four main tanks and a tail tank
- C.Main tanks 1 and 2 only, no centre
Show answer and explanation
Correct answer: A. Main tanks 1 and 2 and centre
Fuel is stored in main tank 1, main tank 2 and the centre tank, with surge tanks outboard. Ref Boeing 737-600/700/800/900 training manual, ATA 28.
Questions about this course
What does this course cover?
Airframe and systems chapters and the 131-9B APU. Flight controls, hydraulics, landing gear and the CFM56-7B engine are not covered yet. It is written for the 737-600/700/800/900, in 11 chapters that follow the ATA order of the type course.
Is it included in the subscription?
Yes. Every chapter has 5 free questions to try, and all 385 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.