DHC-2 MK1 Beaver

Question 1

Normal Takeoff (Water)

Answer 1

Flaps Set to 35°

1) Power to 36” mp
2) 1st Rise, 2nd Riss
3) adjust back pressure
4) rotate @ 55 mph
5) after positive ROC flaps to 20°
6) @ 250’ power to 33.5” mp/2200 rpm
7) @ 500’ power to 29” mp/1900 rpm (cruise pwr)

flaps stay @ 20° for pattern work

Question 2

Normal Takeoff (Land)

Answer 2

Flaps set to 35°

1) Power set to 36” mp
2) Rotate @ 55 mph
3) after positive ROC flaps to 20°
4) @ 300’ gear up
5) @ 500’ power to 33.5” pm/2200 rpm
6) flaps to 7°
7) power set to 29” mp/1900 rpm for cruise

Question 3

Normal Landing (Water)

Answer 3

landing config: gear up, flaps 35°

At midfield:

1) power to 20” mp/75 mph
2) GUMP
3) flaps to 35°
4) turn base
5) approach speed 75 mph

Question 4

Normal Landing (Land)

Answer 4

landing config: gear down, flaps 20°

At midfield:

1) power to 20” mp/85 mph
2) GUMP
3) flaps to 20°
4) turn base
5) approach speed 80/85 mph

Question 5

Step taxi power setting

Answer 5

• Upwind: 25” mp/45 mph

- Downwind: 28” mp/Less than 45 mph

Question 6

Glassy Water Landing

Answer 6

landing config: gear up, flaps 35°

At midfield w/ LVR established

1) power to 20” mp/65-70 mph
2) GUMP
3) flaps to 35°
4) plan longer final
5) prior to LVR establish 27” mp/65-70 mph/150’ pm descent rate

Question 7

Rough Water Landing

Answer 7

landing config: gear up, flaps 50°

At midfield:

1) power to 20” mp/75 mph
2) GUMP
3) flaps to 50°
4) turn base
5) approach speed 75 mph
6) establish nose high attitude during landing

Question 8

Gross Weight

Answer 8

5600 lbs

Question 9

Max Con Power

Answer 9

33.5”mp/2200 rpm

Question 10

Cruise Power

Answer 10

29” mp/1900 rpm

Question 11

Glass Water Takeoff

Answer 11

Flaps Set to 35°

1) Power to 36” mp
2) 1st Rise, 2nd Riss
3) adjust back pressure
4) @ 45 mph left aileron to lift right float out of water and right rudder for directional control
5) rotate @ 55 mph
6) after positive ROC flaps to 20°
7) @ 250’ power to 33.5” mp/2200 rpm
8) @ 500’ power to 29” mp/1900 rpm (cruise pwr)

flaps stay @ 20° for pattern work

Question 12

Max Indicated Airspeed (redline)

Answer 12

160 mph

Question 13

Vlo

Answer 13

120 mph

Question 14

Vle

Answer 14

130 mph

Question 15

What is indication of a gear pump or motor failure?

Answer 15

Gear cycle time more than the normal 23 seconds

Question 16

Engine Type

Answer 16

Pratt Whitney R-985
9 cylinder
450 HP
Single-speed Supercharger
Air cooled

Question 17

Hydraulic systems

Answer 17

Landing Gear (3 pumps)
Brakes (4 master cylinders)
Flaps (1 manual pump)

Question 18

Fuel Tanks

Answer 18

3 Belly:

Front (35 gallons)
Center (35 gallons)
Rear (25 gallons)

2 tip tanks (21.5 gallons each)

Question 19

Total Fuel

Answer 19

138 gallons

Question 20

Electrical system

Answer 20

24 Volt battery (28 volt charging)
60 amp alternator (part of STC)

24 volts needed for starting: