Standard Operating Procedures for Zen Air CH-701
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Questions and Answers

What is the total duration of all sorties?

2:30

What is the duration of the Solo Check?

0:30

Which profiles have a duration of 0:45?

  • Take-Off, General Handling, Stall and Recovery, PFL, Circuits and Landings (correct)
  • Take-Off, Climb, Climbing Turns, Level-Out, Level Turns, Descent, Descending Turns, Circuits and Landings (correct)
  • GH, Circuits and Landings (correct)
  • Proficiency Check
  • Open full ______ at the Unstick phase.

    <p>throttle</p> Signup and view all the answers

    The RPM should be reduced to 5000 during the 300' step.

    <p>True</p> Signup and view all the answers

    Inverted flight, spinning, and aerobatics are permitted on the Zen Air CH-701 STOL aircraft.

    <p>False</p> Signup and view all the answers

    What is the maximum gross weight of the Zen Air CH-701 STOL aircraft?

    <p>436 Kg (960 lb)</p> Signup and view all the answers

    What should be done with loose equipment before starting the engine?

    <p>Secure it properly</p> Signup and view all the answers

    The recommended engine RPM during take-off is ______.

    <p>5500/min (max 5 minutes only)</p> Signup and view all the answers

    It is acceptable to operate the aircraft in rain or moist weather conditions.

    <p>False</p> Signup and view all the answers

    What type of engine does the Zen Air CH-701 STOL use?

    <p>Rotax 912 A</p> Signup and view all the answers

    Which of these conditions are necessary before carrying out a ground run?

    <p>All of the above</p> Signup and view all the answers

    What is the purpose of periodic varnishing of the propeller?

    <p>To conserve propeller life</p> Signup and view all the answers

    Match the following items with their correct safety considerations:

    <p>Loose Equipment = Secure before starting the engine Engine Running = Never leave unattended Refueling = Prevent spillage during the process Spark Plugs = Renew both on change</p> Signup and view all the answers

    What is the minimum oil pressure for the engine operation below 3500 RPM?

    <p>12 PSI</p> Signup and view all the answers

    It is mandatory to follow the Standard Operating Procedures (SOPs) in both letter and spirit.

    <p>True</p> Signup and view all the answers

    What is the purpose of countering yaw during landing?

    <p>To maintain the intended path</p> Signup and view all the answers

    What happens when the angle of attack is increased beyond the critical angle during flight?

    <p>Stall occurs</p> Signup and view all the answers

    The glide ratio of Zen Air is _____ : 1.

    <p>7.8</p> Signup and view all the answers

    Stalls only happen at high speeds.

    <p>False</p> Signup and view all the answers

    What must be executed to recover from a stall?

    <p>Forward stick movement to decrease the angle of attack and full throttle application</p> Signup and view all the answers

    During a stall recovery with a wing drop, which action should NOT be taken?

    <p>Apply aileron to the dropped wing</p> Signup and view all the answers

    Match the following actions to their corresponding scenarios.

    <p>Engine fire on ground before engine start = Shut off fuel cock Engine fire in air = Carry out a forced landing Brake failure while taxiing = Pump brake pedals to build up pressure Restart procedure in flight = Operate choke lever</p> Signup and view all the answers

    What is the maximum speed with flaps lowered during stall recovery exercises?

    <p>60 mph</p> Signup and view all the answers

    What are the key points in the forced landing pattern at different altitudes?

    <p>High Key (3500 ft), Mid Key (2500 ft), Low Key (1500 ft)</p> Signup and view all the answers

    Ensure speed is _____ mph during the approach and touchdown phase.

    <p>60</p> Signup and view all the answers

    What is a key advantage when executing a forced landing?

    <p>Height</p> Signup and view all the answers

    Study Notes

    Standard Operating Procedures Overview

    • SOPs standardize operating and flying procedures for Zen Air CH-701 microlight aircraft.
    • Emphasis on using standard terminology across all operations.
    • Tailored for novice pilots, maintaining a focus on Flight Safety considerations.
    • Specific instructions from higher authorities supersede SOPs for safety enhancement.

    Flight and Maintenance Safety Considerations

    • Inverted flight, spinning, and aerobatics are strictly prohibited.
    • Operations limited to daylight under VFR (Visual Flight Rules).
    • Secure loose equipment before engine start to minimize injury risk.
    • Do not run the engine with propeller turning unless in a run-up area.
    • Engine service and maintenance must be performed by authorized personnel using recommended tools and materials.
    • Avoid operations in strong winds or moist conditions to protect components, particularly the wooden propeller.

    Technical Details of Zen Air CH-701 STOL Aircraft

    • Dimensions: Length 20 ft, Height 11 ft, Wing Span 27 ft, Empty Weight 209 Kg (460 lb).
    • Performance Limits: Never exceed speed (VNE) is 110 mph, take-off speed is 40 mph, and service ceiling is 14,000 feet.
    • Engine: Rotax 912 A, 80 BHP, four-stroke engine with a dry sump lubrication system.

    Engine Performance Parameters

    • Recommended Operating RPMs: Take-off at 5500 RPM for max 5 minutes, 5300 RPM continuous.
    • Oil pressure should be between 29 to 73 PSI above 3500 RPM for normal operation.
    • Oil and coolant temperatures, fuel pressure, and other parameters must remain within specified limits for safe operation.

    Standard Ground Handling Procedures

    • Aircraft must be parked on level, hard ground with the nose facing into the wind and doors secured.
    • Aircraft should be stored in hangars with proper clearance and protection.
    • Towing requires careful consideration of ground clearance and airspace around the aircraft.
    • Fueling procedures require protective measures to avoid spills and contamination.

    Pre-Flight and Internal Checklists

    • Before external checks, ensure master, battery, and ignition are off, and the ignition key is secured.
    • External checks should cover fuel caps, coolant levels, hoses for leaks, and secure engine mountings.
    • Internal checks include confirming seat belts are fastened, checking instrument conditions, and ensuring fuel sufficiency for the sortie.

    Start-Up Procedures

    • Cold start protocol includes fuel cock open, choke on, and throttle to idle with clearance from ground crew before ignition.
    • Warm-up involves gradually increasing RPM to eliminate vibrations and ensuring engine temperatures are within the green sector.
    • Ignition checks must confirm that RPM drops are within acceptable limits during checks of both magnetos.

    Taxiing and Takeoff Procedures

    • Pre-taxi checks ensure oil pressure, temperature, and CHT are in green sectors, doors closed, and clearance obtained.
    • Reduce throttle to idle during taxiing, monitor conditions, and maintain suitable speeds.
    • Vital actions before takeoff include confirming fuel, flaps, and instruments are set correctly, ensuring harnesses are secure, and doors are locked before initiating flight.

    Emergency Procedures

    • Specific emergency protocols must also be referenced and followed to ensure passenger and aircraft safety in unexpected situations.
    • Situational awareness, strong leadership, and effective communication are critical in emergency situations.

    Amendment and Record Keeping

    • Amendments to SOPs must be logged with the authority and date, ensuring continual updates and adherence.
    • Regular review and adaptation of operating procedures based on experience and input from senior operators are encouraged to maintain safety standards.### Pre-Take-Off Checks
    • Confirm full and free movement of controls (except rudder) in both directions without noise.
    • Conduct pre-takeoff brief outlining control responsibilities and engine failure procedures.
    • If under 200 feet, plan for a straight-ahead landing; if above, select a field to land using gentle turns.

    Line-Up Checks

    • Ensure throttle is idle and brakes are engaged to prevent movement.
    • Magnetic compass must align with runway heading.
    • Confirm oil temperature, pressure, and Cylinder Head Temperature (CHT) are within the green sector.
    • Maintain stick slightly aft of neutral and into the wind.
    • The take-off path should be clear of birds and other aircraft.

    Checks After Take-Off (at 300' AGL)

    • Apply brakes to stop wheels and reduce RPM to 5000.
    • Ensure speed is 60 mph and confirm oil temperature, pressure, and CHT remain in the green sector.
    • For prolonged climbs, check oil metrics and fuel every 500 feet.

    Stall Preparation and Execution

    • Execute internal checks at sufficient height (2500 ft AGL for dual, 3000 ft AGL for solo).
    • Ensure airframe is clean, harness is secured, and doors are locked.
    • Complete external checks in a turn, avoiding populated areas and maintaining visual reference points.

    Recovery from Stall

    • After recovering from a stall, check oil metrics and ensure flaps are up before giving the 'Operations normal' call.
    • Maintain standard recovery procedures, minimizing height loss.

    Downwind Vital Actions

    • On downwind leg, monitor speed (60-70 mph), brake condition, and engine metrics.
    • Ensure sufficient fuel is available and flap configuration is appropriate prior to descending.

    Final Approach

    • Maintain an approach speed of 60 mph and adjust RPM accordingly (not below 3000).
    • Begin turn onto final approach at correct alignment and reduce RPM close to the landing threshold.

    Touchdown Procedure

    • Flare by gently raising the nose to reduce the rate of descent.
    • Ensure a firm three-wheel touchdown before closing the throttle and applying brakes progressively.

    Slow Speed Handling

    • Zen air can sustain level flight at low speeds (25-30 mph), requiring a high nose-up attitude.
    • Range of speeds requires adjustment of pitch to maintain control without stalling.

    Stall Characteristics and Recovery Techniques

    • A stall occurs when the Angle of Attack exceeds critical limits, characterized by nose-drop and loss of altitude.
    • Recovery requires easing the stick forward, applying power smoothly, and maintaining the correct attitude to regain lift.

    Forced Landing Procedure

    • In case of engine failure, aim to perform a controlled landing into the wind, using any suitable area available.
    • Zen Air has a glide ratio of 7.8:1; anticipate 450 feet height loss per kilometer in straight flight, and 250 feet loss for 90-degree turns.### Forced Landing Procedure
    • Use a descending box pattern to approach the landing site.
    • Displacement of the threshold is set at one-third of the runway length for safety.
    • Key points in the pattern are High Key (3500 ft AGL), Mid Key (2500 ft AGL), and Low Key (1500 ft AGL).
    • The forced landing pattern differs from a normal circuit approach with closer lateral displacement.
    • Pilots must plan descent profiles to intercept key points based on height and distance from the runway.

    Immediate & Initial Actions

    • Increase height and speed, reduce speed to 45 mph, check flaps (UP), throttle to idle, and trim the aircraft.
    • Identify an emergency and check position and height before selecting a forced landing field.
    • Make a radio transmission call to communicate the situation.

    Planning & Execution

    • Calculate expected height loss and adjust to intercept the appropriate key point.
    • Utilize the second pilot for planning and field selection if available.
    • Attempt engine relight until reaching the Low Key position; after that, do not attempt a restart.
    • Use flaps and S-turns to manage altitude and plan for corners if height is low.
    • Maintain a straight approach of 500 feet during finals with speed set at 60 mph.

    Approach & Touchdown

    • Initiate flare earlier due to a higher rate of descent with the engine off.
    • Ensure proper alignment and control of drift during flare and touchdown.
    • After touchdown, lower the nose gently and use rudders for direction control.
    • Upon stopping, make a radio call, perform switch-off procedures, and await assistance.

    Emergency Procedures

    • Engine Fire (Ground, Before Start): Continue cranking, shut off fuel cock, open throttle, and use fire extinguisher if needed. Evacuate the cockpit, moving upwind.
    • Engine Fire (Ground, Running): Shut off fuel cock, open throttle, use fire extinguisher, and follow evacuation procedure.
    • Engine Fire (In Air): Shut off fuel cock, turn off ignition and electricals, carry out a forced landing.
    • Brake Failure (Taxiing): Check throttle, pump brake pedals, turn ignition off, control direction, and stop the aircraft before following shutdown procedures.

    Engine Restart & Fire in Cockpit

    • Follow restart procedures post fuel starvation involving choke operation and starting the engine.
    • For cockpit fire, turn off electrical switches and use a fire extinguisher, then make a precautionary landing.

    Propeller Failure

    • Signs include over-speeding or high vibrations; respond by closing throttle, turning off ignition and fuel, and preparing for a forced landing.
    • Note that a missing propeller results in lower drag and descent rate compared to wind-milling conditions.

    Instrument and Electrical Checks

    • Check battery, master switches, and ignition are off before examining coolant, oil, and fuel levels.
    • Inspect aircraft structure including nose wheel, control surfaces, and braking systems for integrity, signs of wear, or damage.

    DGNCC Syllabus Overview

    • Air Experience to Advanced Training: Range of sorties from air experience to emergency procedures, involving dual and solo flights totaling 7 hours.
    • Conversion Syllabus for ZEN AIR 701: Emphasis on maneuvers, stall awareness, force landing practice, and progressive skill development across several sorties with durations varying from 30 to 60 minutes.

    Continuity & Currency Training

    • Pilots must achieve a minimum of two hours of flight monthly to maintain currency.
    • Dual flying checks are required after breaks in flying, particularly if over two months, with specified training profiles for requalification.

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    Description

    This quiz covers the Standard Operating Procedures (SOPs) for operating Zen Air CH-701 microlight aircraft within the NCC. It standardizes the essential flying and operational protocols specific to this aircraft model. Test your knowledge on these critical procedures.

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