ACA Citabria Explorer 7ECA, Flight Operations Manual

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Page 2: ...A MODELS 7ECA 7GCAA 7GCBC 1994 MODELS AND NEWER Revised 01 01 01 AMERICAN CHAMPION AIRCRAFT CORPORATION 32032 WASHINGTON AVE HWY D PO BOX 37 ROCHESTER WI 53167 Model year is indicated by serial number...

Page 3: ...i LOG OF REVISIONS AMERICAN CHAMPION AIRCRAFT CITABRIA 7 SERIES LOG OF REVISIONS Revision Pages Affected Description Change Date...

Page 4: ...tions and specific operating limitations may vary slightly eg fuel quantity and inverted engine oil system All placards and operating limitations in a specific aircraft MUST be adhered to This manual...

Page 5: ...TING LIMITATIONS 1 1 SECTION II EMERGENCY PROCEDURES 2 1 SECTION III NORMAL OPERATING PROCEDURES 3 1 SECTION IV FLIGHT PERFORMANCE 4 1 SECTION V WEIGHT AND BALANCE 5 1 SECTION VI AIRCRAFT SYSTEMS DESC...

Page 6: ...ining to optional equipment such as floats or external spray units must be obtained from the respective manufacturer WARNING All operating limitations must be strictly adhered to for reasons of safety...

Page 7: ...0 Maximum red line psi 100 100 Minimum red line psi 25 25 AIRSPEED LIMITATIONS AIRSPEED DESIGNATION CAS MPH Never Exceed VNE red line 162 Caution Range yellow arc 120 162 Maximum Structural Cruise VNO...

Page 8: ...leading edge Centre of gravity limits between weights are straight line variations between these points See Section V for the flight envelope and loading instructions FLIGHT LOAD FACTORS Normal and Ac...

Page 9: ...Split type door only Do Not Exceed 90 MPH With Door Open Right Window Sill When folding rear seat is installed Seat Back Restrainer Cable Must Be Connected Before Flight Unless Control Stick is Remove...

Page 10: ...CONDITIONS 2 7 SEVERE TURBULENCE 2 7 STALLS 2 7 SPINS 2 7 INFLIGHT OVERSTRESS 2 8 EMERGENCY EXIT BAILOUT 2 8 GENERAL This section covers the recommended procedures to follow during emergency and adver...

Page 11: ...r if available 6 Land immediately using Forced Landing Procedures WARNING Do not attempt to restart engine ELECTRICAL FIRE An electrical fire is usually indicated by an odour of hot or burning insulat...

Page 12: ...ngine restart if sufficient altitude permits 1 Fuel Shut Off Valve CHECK ON 2 Mixture Control FULL RICH 3 Carburettor Alternate Air FULL HOT 4 Magneto Switches BOTH ON Up If no restart is possible 1 S...

Page 13: ...e reduced while maintaining cruise airspeed place mixture in FULL RICH position and land as soon as practical Little or no oil pressure is usually caused by a failed pressure relief valve pump loss of...

Page 14: ...evel AGL over the intended point of landing or 500 feet when downwind and abeam the intended point of landing 8 All Electrical Switches OFF 9 On Final Approach a Airspeed 65 MPH 60 MPH minimum b Flaps...

Page 15: ...Aileron control response in a fully stalled condition is marginal Large aileron deflections will aggravate a near stalled condition and their use is not recommended to maintain lateral control The ru...

Page 16: ...anding point Do NOT under any circumstances make large control movements or subject the aircraft to additional G loadings above that required for straight and level flight After landing the aircraft s...

Page 17: ...ll recommended normal operating procedures using a checklist format whenever possible with additional information if further explanation is required NOTE All recommended airspeeds in this section are...

Page 18: ...CHECK condition leakage 4 Nose Section a Windshield CHECK condition cleanliness b Oil CHECK quantity dip stick secure c Fuel DRAIN gascolator CHECK leakage d Engine Compartment CHECK condition leakag...

Page 19: ...as necessary 4 Master switch on 5 Ignition switches on 6 Throttle open slightly 1 4 to 1 2 in 7 Brakes on 8 Engage starter do not operate starter continuously for more than 15 seconds 9 If no oil pres...

Page 20: ...with the rudder will assist the pilot in maintaining directional control BEFORE TAKE OFF 1 Brakes SET 2 Flight Controls CHECK freedom of movement proper operation 3 Elevator Trim SET take off positio...

Page 21: ...aning the mixture control for smooth engine operation TAKE OFF Obstacle During an obstacle take off use the normal take off procedures with the following exceptions 1 Flaps SET 14 2nd notch 7GCBC only...

Page 22: ...e utmost emphasis on safety Federal Aviation Regulations FARs Part 9171 specify the airspace and altitudes required for aerobatic flight The minimum altitude of 1500 FT AGL is the pilot s greatest saf...

Page 23: ...2 Throttle REDUCE as desired 3 Airspeed AS DESIRED The descent should be made with enough power to maintain cylinder head and oil temperatures in green arc If possible avoid wind milling the engine wi...

Page 24: ...ation when at full gross weight and the throttle closed If airspeed is allowed to decrease below 60 MPH level off can only be assured with an application of power SHUTDOWN 1 Brakes SET 2 Electrical Eq...

Page 25: ...piled from both estimated calculations and actual flight test using average piloting techniques with an aircraft and engine in good operating conditions All information is corrected for standard atmos...

Page 26: ...0 90 100 110 120 130 140 150 160 170 54 62 70 79 88 97 106 116 124 133 142 150 159 TAKE OFF DISTANCE AND RATE OF CLIMB VS ALTITUDE AND TEMPERATURE AMERICAN CHAMPION MODELS 7ECA 7GCBC 7GCAA MODEL 7ECA...

Page 27: ...1080 1050 1020 990 960 930 4000 0 20 40 60 80 100 482 538 589 640 690 788 1043 1147 1239 1329 1432 1580 575 545 520 495 470 450 324 360 393 458 474 522 635 695 746 834 870 935 980 930 900 870 840 820...

Page 28: ...672 6 36 500 4 36 500 4 FUEL CONSUMPTION 75 HP GPH 6 9 9 BEST RATE OF CLIMB MPH FPM 69 69 78 SERVICE CEILING FT 12 000 17 000 17 000 TAKE OFF RUN FT 450 375 296 TAKE OFF OVER 50 FT OBSTACLE FT 890 63...

Page 29: ...ts in an overgross condition may result in damage or complete structural failure of the airframe The actual licensed empty weight and center of gravity CofG of a specific aircraft can be found on the...

Page 30: ...Weight and Moment with Oil and all the items in Step 3 to determine the Gross Take Off Weight and Moment 5 Using the Flight Envelope Figures 5 3 5 4 5 5 for the model Citabria used determine that the...

Page 31: ...0 Gross Take Off Weight Moment 1750 26191 NOTE 1 7ECA only 6 qts oil 2 To determine Take Off Center of Gravity inches aft of datum divide the Gross TakeOff Moment by the Gross Take Off Weight Center o...

Page 32: ...Citabria 5 4...

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Page 34: ...Citabria 5 6...

Page 35: ...R BANNER TOW 6 15 GENERAL This section describes the aircraft systems and equipment Because of the many optional items available this section may not be typical for all aircraft However the more popul...

Page 36: ...34 45 CHORD IN 60 60 60 WING AREA SQ FT 165 165 170 WING LOADING LBS SQ PT 10 0 10 0 10 59 ASPECT RATIO 6 7 6 7 6 9 DIHEDRAL 2 2 2 ANGLE OF INCIDENCE 1 1 1 LENGTH FT 22 77 22 77 22 77 HEIGHT 3 POINT F...

Page 37: ...Citabria 6 3 FIGURE 6 1 AIRCRAFT SPECIFICATIONS...

Page 38: ...Citabria 6 4...

Page 39: ...e to the pilot during flight but is not legally required AIRFRAME STRUCTURE The Citabria is a two place tandem seating high wing aircraft with conventional landing gear See Figures 6 1 and 6 2 respect...

Page 40: ...of the instrument panel and is used for fuel leaning and engine shutdown Idle cut off is accomplished by pulling the control full out The air induction system is equipped with a large heavy duty air f...

Page 41: ...hite dot on the control quadrant Rudder trim is provided by ground adjustable tab located on the rudder control surface FLAPS 7GCBC ONLY Wing flaps are mechanically operated by cables and interconnect...

Page 42: ...the park brake control in ELECTRICAL SYSTEM The electrical system is 12 volts direct current using the airframe as a negative ground See Figure 6 4 All electrical circuits are protected by replaceable...

Page 43: ...ed on the upper left side of the cabin Additional spare fuses are also provided in the panel and can be used for replacement during flight if necessary A red master switch controls all electrical powe...

Page 44: ...from the other aircraft systems and due to its simplicity is virtually trouble free See Figure 6 5 Fuel is supplied from two interconnected wing tanks and is gravity fed to the engine carburettor Fue...

Page 45: ...vented together with the vent located on the left wing An orificed one way check valve allows a minimum of fuel to be vented overboard during negative G aerobatic manoeuvres An ice defleccraft inadver...

Page 46: ...main wing tanks WARNING Continuous inverted flight is limited to 2 minutes Approximately 3 5 minutes of flight under positive G conditions is required to completely refill the header tank Temporary fu...

Page 47: ...en with the ON OFF switch located on the electrical panel The magnetic compass clock outside air temperature gauge and accelerometer are all independent units requiring no external power source A stal...

Page 48: ...dow fly free to minimize flutter in flight CAUTION Do not open the windows in flight above the approved airspeed limits as indicated on the window placards An overhead tinted plexiglass window is prov...

Page 49: ...be converted to floats or used for aerial chemical applications the corrosion proofing must be applied at the time of manufacture if a normal airframe life is expected SEAPLANE KIT The Citabria is cer...

Page 50: ...intenance and servicing as they have the latest factory service recommendations experience and qualified personnel See Figure 7 1 for all service specifications The FAA requires that the aircraft unde...

Page 51: ...80 x 2 50 4 ply rating Pressure Mains 24 4 psi Tail 40 10 psi LUBRICATION Type General Purpose Grease zerke fittings Machine Oil or Engine Oil pulleys hinges etc High Temperature Wheel Bearing Grease...

Page 52: ...ontrol surface blocks for the rudder and flaps 6 Install pitot tube cover INSPECTION AND SERVICING ACCESS The Citabria is designed to keep maintenance and inspection time to a minimum The two piece en...

Page 53: ...seat and should be used during unusually high moisture conditions or if water is present in the gascolator Each tank also has a drain plug to remove fuel from the tank if necessary WARNING After using...

Page 54: ...ity as listed in Figure 7 1 ENGINE AIR FILTER The engine air filter should be inspected every 50 hours of normal operating or every 10 hours under extremely dusty conditions Clean with compressed air...

Page 55: ...ced in non operational storage for long periods of time should be given a thorough cleaning Every ten days the propeller should be pulled through several revolutions to reactivate the oil film and pre...