CAAB AME B2 Exam study materials
CAAB AME B2 Exam study resources

CAAB AME B2 Exam case studies

CAAB AME B2 Exam · Put your knowledge to work in context.

The CAAB Aircraft Maintenance Engineer Licence - B2 (Avionics) is the Bangladesh Civil Aviation Authority's basic-knowledge qualification for engineers who intend to certify avionics and electrical/electronic systems work on civil aircraft. It is aimed at trainee and practising avionics maintenance personnel who need to demonstrate a broad, theory-level understanding before moving on to type-specific training and certifying privileges. The CAAB AME B2 Exam case studies are 5 cases and about 3,583 words.

1

Boost Pump Feeder Cable: Voltage Drop and Reselection

A 28 V DC essential bus supplies a fuel boost pump through a cable run of 15 m, which means 30 m of conductor (out and back). The pump draws 18 A.

684 words, about 3 min
2

ARINC 429 Bus Loading and a One-Sided Display Fault

An older twin-engine aeroplane carries air data from each air data computer (ADC) to the captain's and first officer's electronic attitude director indicators on ARINC 429 low-speed buses running at 12.5 kbit/s. Each 32-bit word is followed by a 4-bit gap, so one label transmission occupies 36 bit-times.

771 words, about 4 min
3

Torque Wrench, Crowfoot Adaptor and a Dropped Tool

An AMM task specifies 45 N·m for a bolt on a landing gear actuator mount. The shop torque wrench has an effective length of 380 mm from the centre of the square drive to the hand-grip index mark.

595 words, about 3 min
4

Look-Alike Fuel Quantity Indicators: An Error Investigation

At 02:40, in the eleventh hour of a 12-hour night shift, a technician replaces a fuel quantity indicator. Two units sit side by side in the same open bin in stores: P/N 4021-01 (left) and 4021-02 (right).

713 words, about 4 min
5

MEL Deferral, Check Due Date and a Certificate of Release to Service

A twin turboprop is operated commercially under EASA rules by a small operator and is maintained by a Part-145 organisation. On Monday 4 March at 08:00 the crew reports the No.

820 words, about 4 min