Eng (for Manual Start)

Question 1

Examples of Automatic Engine Start aborts. 3

Answer 1

1. Engine stall
2. Engine EGT overlimit
3. Low start air pressure

Question 2

Reasons for a start abort of the automatic engine start sequence: 3

Answer 2

1. Degraded bleed performance or an engine with a reduced EGT margin, due to hot conditions, or at a high-altitude airfields
2. Marginal performance of the external pneumatic power
3. Intermittent ECAM ENG 1(2) IGN A(B) FAULT alert, during the first start of the day

Question 3

During a manual start, what can we expect from FADEC?

Answer 3

A passive monitoring of the engine

Question 4

What is the main difference between a manual start and an automatic start?

Answer 4

In a manual start, pilots are in charge of the moment at which fuel and ignition are supplied to the engine

Question 5

What does FADEC control during a manual start? 3

Answer 5

1. Closure of the start valve at 50% N2
2. Ignition cut off
3. The position of the HP fuel valve

Question 6

How is the FADEC powered in a manual start? What appears on the EWD and SD?

Answer 6

1. As soon as the Mode Selector Switch is set to IGN/START

2. EWD to display engine parameters and SD shows the engine page automatically