DA42 TDI General

Question 1

What is the max rpm?

Answer 1

2300rpm

Question 2

What is the max rpm overspeed?

Answer 2

2500rpm for a max 20 seconds

Question 3

What is the horsepower of the TAE125 engines?

Answer 3

135hp (99kW)

Question 4

What is the minimum and max oil pressures?

Answer 4

1-6.5 bars

Question 5

What is the min and max oil quantity per engine?

Answer 5

4.5 - 6 litres

Question 6

What is the max oil consumption?

Answer 6

0.1 litres/hr

Question 7

What is the max gearbox temp?

Answer 7

120 celsius

Question 8

What are the min and max restart airspeeds?

Answer 8

80-120 KIAS

Question 9

What is the max restart altitude?

Answer 9

6000ft for TAE 125-01 engine

8000ft for TAE 125-02-99 engine

Question 10

What is the min flight mass?

Answer 10

1250kg

Question 11

What is the MTOM?

Answer 11

1785kg with MAM 42-088

1700kg without MAM 42-088

Question 12

What is the MZFM?

Answer 12

1650kg

Question 13

What is the MLM?

Answer 13

1700kg

Question 14

What are the load factors at Va?

Answer 14

+3.8

-1.52

Question 15

What are the load factors at Vne?

Answer 15

+3.8

0

Question 16

What are the load factors with flaps APP or LDG?

Answer 16

+2

0

Question 17

What is the max operating altitude?

Answer 17

FL180

Question 18

What is the total fuel quantity?

Answer 18

2 x 26USG

Question 19

What is the total usable fuel?

Answer 19

2 x 25USG

Question 20

What is the max fuel imbalance?

Answer 20

5USG

Question 21

Outline the structure of he airplane

Answer 21

CRFP construction
Semi monocoque
T tail

Question 22

How are the flight controls operated?

Answer 22

Ailerons, elevators and wing flaps = through control rods

Rudder and trim = cables

Question 23

When is the variable elevator backstop activated?

Answer 23

Once both power levers exceed 20% and flaps selected to LDG

Question 24

Outline the landing gear system

Answer 24

Fully retractable, hydraulically operated, tricycle landing gear

Question 25

How is the landing gear operated?

Answer 25

By an electrically powered hydraulic pump

Question 26

When does the gear warning horn sound?

Answer 26

When either power lever is below approx 20% and the gear is up

Question 27

How is accidental gear retraction on the ground prevented?

Answer 27

And electric squat switch

Question 28

Outline the principal specs of the TAE125 engine

Answer 28

``` Liquid cooled Four cylinders In-line construction Common rail direct injection Turbo charged Digital engine control with integrated prop governor ```

Question 29

How is propeller pitch controlled?

Answer 29

ECUs

Question 30

Above what rpm is propeller feathering possible?

Answer 30

1300rpm

Question 31

What ECU does each engine usually run on?

Answer 31

ECU A

Question 32

What type of sump is used in the engine oil system?

Answer 32

Wet sump

Question 33

What oil is used to in the propeller governor system?

Answer 33

Gearbox oil

Question 34

When is the overheat detector activated?

Answer 34

Above 250 celsius

Question 35

What type of electrical system is used?

Answer 35

28V DC system

Question 36

Describe the main battery?

Answer 36

24V 10Ah Lead acid

Question 37

How long does the emergency battery last?

Answer 37

90 mins

Question 38

What does the emergency battery power?

Answer 38

Standby AH and flood light

Question 39

When must each emergency battery be replaced?

Answer 39

Every two years or after use