MEB Flashcards
What is the seminoles airframe made out of?
Aluminium. A semi monocoque structure
Is the seminole designed for aerobatic loads?
No
What trim devices does our seminoles have?
Rudder and stabilator trim
What tab does the stabilator have and which direction does it move?
- Anti servo tab
- tab moves same direction as stabilator but with increase travel
What happens to rudder effectiveness with anti servo tab?
Increases
How are the flaps operated in the seminole?
Manually (spring loaded)
What are the 4 different flap selections?
0, 10, 25, 40 degrees
Can the flaps be stepped on by passengers? If so what setting?
Yes, keeps flaps fully retracted whilst loading/unloading passengers
What happens to pitch in the seminole when using flaps? What do we do to counter?
Pitch down.
Requires back pressure
Where is the stall warning device located?
Under the left leading edge of the wing
What type of engine does the seminole have? Explain its details
Lycoming 180HP 4 Cylinder Carburettor Direct driven Horizontally opposed Air cooled
What is the make of the engine?
0-360-E1A6D
What fuel grade is required for the seminole?
100 or 100LL
What oil is required for the seminole?
W100+
What is max, min and oxford oil requirements?
Max 6
Min 2
Oxford 4
What do cowl flaps do?
Allows more air to escape engine and more air to flow over engine
What effect does cowl flaps have on drag?
Increases parasite drag
How are cowl flaps operated in the seminole?
Mechanically
When would you use cowl flaps?
Oil temps getting to yellow arc
Which direction do you turn the primer when unlocking?
Turn clockwise until locking pin is free
How many primes for a cold engine? How about for a warm engine?
Cold 8 primes
Warm 3-4 primes
Where does carby heat get the air from?
Passing induction air past hot engine exhaust manifold
What are the seminole props? Describe them
Hartzell 2 bladed 74” with constant speed unit
Hydraulically actuated
Full feathering
Which direction do the props rotate?
Counter rotating props
What is feathering used for?
Used when engine fails to reduce drag
How do you feather a prop?
Pull the prop lever all the way back, through a detent into the feather position
What happens to the prop pitch if there is a loss of oil?
Prop moves to coarse pitch
What happens if IAS decreases to prop pitch?
Finer pitch to stop underspeed
What happens if IAS increases to prop pitch?
Coarser pitch to stop overspeed
What is the minimum feather RPM?
950RPM
Describe the alternator.
2x60 amp alternators (one on each engine)
Driven by engine via belt
Output 14 volts DC
2 independent alternator switches
What RPM is required for full alternator output?
Approx 2000 RPM
Describe the electrical system regulators
2 solid state regulators
Load share electrical system bus to 14 V
Over voltage relay in each alternator
Describe the battery
35 amp hour
12V battery
How can we start the seminole if the battery is flat?
Piper external power (PEP) through lower left side
If we lose the alternator and battery is depleted, what systems will we lose?
Radio GPS Nav aids Lighting Aux fuel pump Heater Stall warning Pitot heat Normal landing gear extension Engine gauge
Where is the vacuum pump for the seminoles?
On each engine
What are the normal ops for the vacuum pumps?
4.8-5.2 inches of mercury
What systems used the hydraulic system?
Brakes and undercarriage
How do you activate the undercarriage?
Two position gear selector switch (wheel shaped knob)
What happens when the gear is fully extended?
3 green lights illuminate
If gear down selected and you don’t get 3 greens, what should you do?
Turn nav lights off
Check the bulbs
What preventions are there for landing without the gear?
Horn sounds if throttle below 14” MAP while gear retracted
Horn sounds if gear is set to up when on ground
Horn sounds if gear is up and flap at 25 or 40
Where is the squat switch located for the landing gear and what does it do?
On left main gear
Prevents hydraulic pump from actuating if master is turned on
What is the landing gear extension limitations? How about for manual gear extension?
Electric less 140 knots
Manual less 100 knots
What is the landing gear retraction limitation?
Less than 109 knits
What brake fluid do we use?
MIL-H-5606 hydraulic brake fluid
What it the total capacity fuel on the seminole?
110 G or 416 L (2x55G)
What is the total useable fuel on the seminole?
108 G or 408L (2x54G)
What fuel do we use for the seminole?
100/130
What is the fuel burn rate
85L/hour
What does operating the heater do to fuel use?
Increases fuel by 1/2 gallon per hour
When would you use the aux electric fuel pumps?
Priming
Emergency
Cross feeding
Take off and landing
What are the 3 selections on the position switch for the heater?
HEATER
OFF
FAN
Where is the pitot static system located?
Bottom left wing
Where is the pitot and static pressure obtained from?
Pitot from pitot head
Static from tiny hole on rear of pitot
Where is alternate static ?
Under instrument panel (left side)
When in alternate static mode, which instruments uses cabin air?
VSI, ASI and altimeter
Where is the VOR aerial?
On the tail
Where is the ADF?
Below the fuselage
What is the VA (manoeuvring speed) for 3800lbs and 2700lbs?
3800 - 135knots
2700 - 112 knots
What is our Vne?
202 knots
What is our Vno (max structure cruise speed)
169 knots
What is our flap extension speed?
111 knots
What is our Vmca (minimum control speed air)
56 knots
What is our one engine inoperative best rate of climb (VYse)?
88 knots (blue line)
What is the max horsepower?
180
What is the max manifold pressure?
Full throttle
What is the max rotation speed?
2700 RPM
What is the max cylinder head temp?
500F
What is the max oil temp
245F
What is the max and minimum oil pressure?
Minimum 15psi
Max 115 psi
What is the prop max and minimum diameter?
Max 74”
Minimum 72”
What is the tyre pressure?
Nose 50 psi
Mains 55 psi
What is MTOW?
3800 lbs (1727kg)
What is max ramp weight?
3816lbs (1734kg)
What is max landing weight?
3800lbs
What is max weight in baggage?
200lbs (90kg)
What is max load with flaps up, and flaps down?
Up - 3.8G (no negative)
Down - 2G (no negative)
What is negative load factor max?
Nil inverted manoeuvers
What is max demonstrated cross wind?
17 knots
What is our Vtoss?
68 knots
What is our rotate speed?
75 knots
What is touch down speed?
75 knots
What throttle MAP and prop RPM is used for take off?
Full
Full
What MAP and RPM is used for climb?
25
2500
What MAP and RPM is used for cruise?
23
2300
What MAP is used for circuit?
20
2300
What MAP and RPM is used for descent?
18
2300
What MAP and RPM is used for approach?
13-15
2300
When do we have cowl flaps open?
Taxi
Take off
Climb
When do you close cowl flaps?
200feet
What do you lean engine to?
125F rich of peak EGT
Do steep turns require additional power?
Not below 45 degrees
What is Vs speed?
57 knots
What is Vso?
55 knots
After take off, when do you retract gear?
88 knots and positive rate of climb
What are the settings for short field take off?
Flaps 25
Vr 65 knots
Best angle of climb 82
What are the settings for short field landing?
Full flap
Approach 75 to 61
What are the settings for go around below 500?
Prop fine Power full Flap 10 Gear up Flap 0 Climb 88
What are the settings for go around above 500?
Prop 2500 Power 25 Flap 10 Gear up Flap 0 Climb away 100
What is the process for applying power?
Mix up
Prop up
Power up
What does throttle set?
MAP
What does prop set?
RPM
What do you need to do if you increase power?
Prop lever first
What do you need to do if you decrease power?
Throttle lever first
What is our Vxse (angle) speed?
82 knots
What is our Vcruise speed?
105 knots
What is our Vfe speed?
111 knots
What is our Vle?
140 knots
What is our Vlo?
109 knots
What is Vlo?
Do not retract landing gear above this speed
109
What is our Vr speed?
75
What IFR categories is PA 44 seminole permitted to fly?
Day and night IFR
Non icing
What is the procedure if there is an engine fire on ground but engine HAS NOT started?
Mixture ICO
Throttle Open
Starter Continue cranking
What is the procedure if there is an engine fire on ground and engine has started?
On the affected engine:
Fuel selector OFF
Mixture ICO
Extinguisher EXTINGUISH FIRE
What is the cabin fire drill?
Non essential electrics OFF
Cabin heat/fan switch OFF
Fire extinguisher OPERATE
Fresh air vents OPEN as req
What is the rejected take off below decision speed procedure?
Announce STOPPING Throttles CLOSE *If airborne, land on remaining runway or clear area ahead Brakes MAX CONTINUOUS When A/c stops evacuate if necessary
What is the engine failure after take off procedure?
MAINTAIN 88 knots Mixture FORWARD Prop FORWARD Throttle FORWARD Flaps RETRACT Gear RETRACT *Identify Dead engine with Dead leg* Throttle inop engine RETARD TO CONFIRM Prop inop engine FEATHER Mixture inop enginge ICO Throttle inop engine CLOSE Trim as required
What is the engine fire in air drill?
Fuel selector OFF Throttle CLOSE Prop FEATHER Mixture ICO Cowl flap OPEN If terrain permits, land immediately