Lectures

Question 1

What is the turn radius of the Seminole?

Answer 1

33 ft

Question 2

Why does the Seminole have a T-tail versus a regular tail configuration?

Answer 2

Keeps the stabilator out of the prop wash

Question 3

What is one disadvantage of a T-tail configuration?

Answer 3

Little Rudder control at slow airspeeds, so you need LARGER control inputs

Question 4

Why do we have Cowl Flaps on the Seminole?

Answer 4

To help control CHT and prevent Thermal Shock/Shock Cooling of metals, internal stress and cracking

Question 5

The Nitrogen charge brings the prop. to a ____ pitch and a ____ rpm

Answer 5

HIGH pitch

LOW rpm

Question 6

Engine oil pressurized by prop governor is boosted to ___ psi

Answer 6

275 psi

Question 7

Counterweight brings the prop. to a ____ pitch and a ____ rpm

Answer 7

HIGH pitch

LOW rpm

Question 8

How many TOTAL gallons of fuel can the Seminole hold? How many of those are Usable?

Answer 8

110 gallons Total

108 Usable

Question 9

Sluggish propeller control and propeller overspeed with poor RPM recovery after rapid throttle application are indications that?

Answer 9

The Nitrogen charge is low

Question 10

A windmilling propeller reduces single-engine climb performance by ______ FPM

Answer 10

-200 fpm

Question 11

Feathering time on the Seminole W/O the unfeathering accumulator installed is __ seconds

Answer 11

6 seconds

Question 12

The purpose of the Anti-Feathering Pins is to prevent:

Answer 12

The prop from feathering during shutdown

Question 13

How many fuel pumps are there in the Seminole fuel system?

Answer 13

4

Question 14

When you select “x-feed” on 1 of the fuel selectors on the Piper Seminole, what happens?

Answer 14

With both engines running, you are drawing fuel from 1 tank only

Question 15

What is the proper procedure for crossfeeding fuel from the Left Tank to the Right Engine on the Piper Seminole?

Answer 15

• Left Fuel Selector is turned ON

- Right Fuel Selector is placed on X-Feed

Question 16

How are turbochargers driven?

Answer 16

Turbocharging is driven by exhaust air passing over the turbine

Question 17

How would you know if the turbocharger (compressor) system has failed in a twin engine airplane?

Answer 17

The affected engine would not be able to maintain the same M.P. as the unaffected engine

Question 18

Why should you idle a turbocharger engine for a few minutes before you shut it off?

Answer 18

To allow the compressor to be lubricated and cooled as the turbine wheel spools down prior to shutting off the engine

Question 19

What does 91.103 constitute in regards to Preflight Actions

Answer 19

DRAWFP
Delays
Runway Lengths
Alternates
Weather
Fuel
Performance

Question 20

On the airspeed indicator, what speed does the Red radial line indicate?

Answer 20

Vmc calculated under the specific set of certification conditions (cannot be wholly relied on each flight)

Question 21

Tell me about Carburetor Heat. How does it affect performance? What kind of air? Where does the heat come from?

Answer 21

• RPM drop
• Unfiltered air
• Heat comes from shroud around #4 cylinder exhaust

Question 22

If you experienced gradual RPM manifold pressure loss, RPM loss and engine roughness, what could possibly be the cause?

Answer 22

Carb icing!

Question 23

When is supplemental O2 required under Part 135:

Answer 23

Pressurized a/c:

• Above 10,000-12,000 for 30mins+
• Above 12,000 at all times PILOTS must use O2

Unpressurized a/c:

• Above 10,000 (follow pressured a/c reqs.)
• Above 25,000-35,000 must have quick-don masks OR have 1 pilot wearing O2 at all times
• Above 35,000 1 pilot wearing O2 at all times

Question 24

What are the VFR weather minimums for Class G airspace under Part 135?

Answer 24

• 500’ horizontally AND ABOVE of clouds

- Ceilings 1,000’ and 2sm vis

Question 25

What are the IFR weather TAKEOFF LIMITS under Part 135?

Answer 25

• May not takeoff IFR from an airport with conditions AT OR BELOW IFR LANDING MINIMUMS, UNLESS an alternate within 1 hour had been filed!