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34 Cards in this Set
- Front
- Back
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Va of C172N
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2300 lbs: 97 KIAS
1950 lbs: 89 KIAS 1600 lbs: 80 KIAS |
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Vx of C172N
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59 KIAS
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Vy of C172N
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73 KIAS
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Vs of C172N
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47 KIAS
(bottom of green arc) |
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Vso of C172N
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41 KIAS
(bottom of white arc) |
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Vne of C172N
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160 KIAS
(top of orange arc) |
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Vno of C172N
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128 KIAS
(bottom of orange arc/top of green arc) |
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Vref formula
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1.3 Vs(o) KCAS
X square root of landing weight/gross weight |
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Va formula
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Va @ gross weight
X square root of current weight/gross weight |
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Passenger Briefing
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- Doors/exits
- Seats/seatbelts - No Smoking - Hands/feet away from controls - Location of fire extinguisher/first-aid kit - Location/use of ELT/survival equipment |
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Propellor Characteristics of C172N
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Fixed pitch
75" diameter 57" pitch |
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Takeoff Briefing
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- Type of takeoff
- Full engine run-up (yes/no)? - Flap setting - Take-off weight - Climb speeds - Departure leg - Departure altitude - Reject point on runway - Malfunction or emergency on runway - Engine failure on departure legs |
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Approach Briefing
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- Type of approach/landing
- Approach speed - Vref - Overshoot - Passenger briefing/security |
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Vfe of C172N
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85 KIAS
(top of white arc) |
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Best glide speed of C172N
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65 KIAS
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Engine Failure
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- Control/Carb Heat
- Select a field - Cause check - Communicate - PAX briefing - Secure aircraft |
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Carburetor Characteristics
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- throttle connected to butterfly valve to control airflow
- mixture connected to float chamber to control fuel - nozzle connected from float chamber to venturi tube - low pressure in front of nozzle feeds fuel from float chamber |
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Centre of Gravity formula
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weight to be moved / Gross weight of aircraft
= amount C of G must move / Distance between stations |
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Difference between Conic and Mercator projections
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Conic is Great Circle (VNC, WAC)
Mercator is Rumb Lines (VTA) |
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Basics of Engine of C172N
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- 4 cylinder horizontally opposed
- air-cooled - carburetted - direct driven - (Lycoming O320-E2D 160 Horsepower @ 2700 RPM) |
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Steep Turn Limitations
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- altitude +/- 100 feet
- airspeed +/- 10 knots - bank 45 degrees +/- 5 degrees - roll out of turns at reversal and entry +/- 10 degrees |
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Slow Flight Limitations
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- maintain 5 knots above stall speed
- maintain coordinated straight and level flight with no more then 30 degree bank angles - maintain altitude +/- 100 feet, heading +/- 10 degrees and bank angle +/- 5 degrees - roll out on a specified heading +/- 10 degrees |
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Short Field touchdown point requirement
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+ 100 feet / - 50 feet
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Power-off 180 touchdown point requirement
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+ 400 feet / - 50 feet
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Soft Field touchdown point requirement
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First 1/3 of runway
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Circuit altitude and airspeed requirements
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+/- 100 feet
+/- 10 knots |
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Approach speed requirements
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+10 / - 5 knots
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Crusing altitude/heading requirements
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+/- 100 feet
+/- 10 degrees |
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Full Panel heading/altitude/airspeed/VS/bank requirements
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+/- 10 degrees
+/- 100 feet +/- 10 knots +/- 100 feet per min +/- 10 degrees of bank |
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Limited Panel heading requirement
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+/- 15 degrees
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C172N Electrical System
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- 28-volt direct current powered by:
a) 60-amp alternator b) 24-volt, 14-amp hour battery - protected by circuit breakers on 2 bus bars (primary and avionics) |
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C172N Fuel System
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- Left and right inter-connected wing tanks; that is
- connected to a selector valve (left, both, right, off); that is - connected to a fuel strainer; that is - connected to the carburetor |
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C172N Ignition-Starter System
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- engine-driven dual magneto and two spark plugs in each cylinder
- when turned on the starter contactor will crank engine |
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C172N Engine Oil System
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- oil drawn from a 6-quart pump by the engine-driven oil pump; then is
- directed to a bypass valve; then - cooled oil is directed to pressure strainer; then is - directed to a pressure relief valve which regulates oil to engine |
