Pilot's Operating Handbook
Piper J-3 Cub · Pilot's Operating Handbook
Overview
This document is the Pilot's Operating Handbook (POH) for the Piper J-3 Cub, a classic light aircraft known for its simplicity and ease of use. It serves as a comprehensive guide for pilots operating this aircraft, detailing essential information such as performance data, operating procedures, and safety protocols. The handbook is designed to assist both new and experienced pilots in understanding the aircraft's capabilities and limitations, ensuring safe and efficient flight operations. It includes critical sections on preflight checks, emergency procedures, and performance specifications, making it an invaluable resource for anyone flying the J-3 Cub.
- Maximum takeoff weight: 1,220 lbs (553 kg)
- Cruise speed: 75 knots (86 mph)
- Stall speed: 40 knots (46 mph)
- Engine: 65 HP Continental A65
- Preflight inspection is critical for safety.
Document
Source
Originally published by static1.squarespace.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type
- Pilot's Operating Handbook
- Pages
- 58
- File size
- 4.9 MB
- Publisher
- static1.squarespace.com
Specifications & performance
Extracted from this document.
Specifications
- Engine (hp)
- 65
- Height (ft)
- 6
- Length (ft)
- 22
- Wingspan (ft)
- 35
- Engine model
- Continental A-65-8
Weight & balance
- Baggage allowance (lb)
- 20
Common. Rarer than 24% of the aircraft models we track.
Most owners only have the POH. Here's the essential set for the Piper J-3 Cub.
- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins
- Type Certificate (TCDS)
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In this document
Aircraft Specifications
The Piper J-3 Cub has a maximum takeoff weight of 1,220 lbs (553 kg) and a useful load of approximately 500 lbs (227 kg). The aircraft is powered by a 65 HP Continental A65 engine, providing a cruise speed of around 75 knots (86 mph) and a stall speed of approximately 40 knots (46 mph).
Operating Procedures
Pilots are advised to perform a thorough preflight inspection, including checking fuel levels, oil levels, and control surfaces. The recommended fuel type is 80/87 octane aviation gasoline. The POH outlines specific procedures for engine starting, taxiing, takeoff, and landing, emphasizing the importance of maintaining proper airspeed and control during all phases of flight.
Emergency Procedures
In the event of an engine failure, pilots should maintain control of the aircraft and aim for a suitable landing area. The POH provides detailed steps for handling various emergency situations, including electrical failures and fuel starvation, ensuring pilots are prepared for unexpected events.
Weight and Balance
Proper weight and balance calculations are crucial for safe flight operations. The handbook includes charts and formulas to assist pilots in determining the center of gravity and ensuring the aircraft is loaded within its limits.
Performance Data
The performance section includes takeoff and landing distances at various weights and environmental conditions. For example, at sea level and standard temperature, the takeoff distance is approximately 1,200 feet (366 meters) and the landing distance is about 1,000 feet (305 meters) under similar conditions.
Safety notes
- Always perform a thorough preflight inspection.
- Maintain proper airspeed during all phases of flight.
- Be prepared for engine failure and know emergency procedures.
Full document text
PIPER J3C-65 INSTRUMENT PANEL OF THE PIPER CUB Registers in degrees Fahrenheit the temperature of the oil in the engine. High ar low readings on This Instrument ore considered dangarous in fight operations. 15 20 2 B 10 120 80 REAR SEATS 304352 200 PRESSURE pushing ar pulling this con tral, the Row af warm air from the heater is ulated o the cabim Registers the num ber of revolutions per minute of the engine and propel+ far, it is driven by o flexible shaft which is attached to the engine. Registers the speed of the airplans through the air in miles per hour, Wind direction and veloc Ily must be consi- dered to determine the airplane's speed over the ground. Shows the direction In which the airplane Is traveling. Used to guide the pilat on the course he establishes before toking off. Measures the height of the airplane above the lake-off paint. Numbered dial may be turned to compensate for varying altitudes obove sea laval of different take-off points. Indicates pressure under which the all la being circulated through the engine. High or low read- ings on this instry- ment are considered dangerous in fight operations. For starting the engine only. A pumping ma- tlan of this handle pumps fuel into angine cylinders. TABLE OF CONTENTS . Foreword....... Warranty Illustration – Piper Cub Special-J3C-65 ……………….. - General Description Illustration - Nomenclature of Piper Cub 4 6 8 - Special – J3C-65 ...... Dimensions Section I-Wing Wing Drag Bracing 10 11 13 13 13 Leading Edge Wing Tip Bow 14 14 Aileron False Spar Aileron Hinge Brackets Spar Fittings Lift Struts 14 14 15 15 Section II - Rigging Procedure .... 16 Rigging Procedure 16 Leveling 16 Dihedral Angle 16 Wash Out. 17 Tail Assembly 17 Section III- Chassis Chassis Tires Wheels 19 Wheel Brakes Landing Gear Fittings Tail Wheel..... Section IV -- Fuselage Fuselage Frame Engine Mount. …….. 24 -2- 2292822 332 19 19 19 20 Stabilizers Elevators Section V-Control Surfaces Aileron Vertical Fin Rudder 25 26 25 25 26 27 Section VI-Control System 28 Elevators Ailerons 28 Rudder 29 Stabilizers 30 Section VII-Fuel System 31 Fuel Tank 31 Primer 31 Carburetor Heater Fuel Strainer Tank Drain Tank Strainer Section VIII-Electrical System Electrical System Ignition System Section IX ... Line Inspection 20 Hour Inspection 100 Hour Periodic Inspection Flying Hints Load Factor Information For Pilots Everyday Care of Your Airplane 43 49 ... Ten Commandments For Safe Flying NNNNNN 22222 2222233 *** CELO 50 E 84 34 34 35 35 85 86 37 54 28 СССССССССССССССССССССССССІ 3 FOREWORD This manual has been prepared as a practical Working guide for owners, operators, and me- chanics in operating, servicing, and maintain- ing the Piper Cub Special, one of the finest per- sonal planes in existence. The Piper Aircraft Corporation offers you this manual with the hope that you will get the most out of your Piper Cub Special - in terms of longer years of efficient service and with a minimum expense for supplies, repairs and re- placements. Strict adherence to the instruc- tions and recommendations contained herein will award you the maximum in satisfaction and performance of your airplane. Authorized Piper Cub distributors and deal- ers throughout the world, over 1500 in number, are ready to serve you with a complete line of factory-engineered parts, maintenance and repair facilities. The entire organization has a sincere interest in protecting the investment you have made in purchasing your Piper air- plane. Requests for additional information not contained in this manual should be directed to your nearest distributor. Please state your air- plane model, serial and NC number as well as serial number of engine. For the new owners, the section on flying hints and load factors is provided to emphasize points of special interest. It may be that none of the useful information mentioned is entirely new to you, but perhaps seeing it in print will recall to your mind pertinent operating features you may have forgotten - or maybe neglected. 4- 0 00000000 The cooperation is enlisted of all who are concerned with the operation and maintenance of the Piper Cub Special, so that its outstanding record of dependability and safety may continue to grow, and enhance your pride in Piper Cub ownership, as well as our satisfaction in its manufacture. In this respect, we request your compliance with Civil Air Regulations, as these regulations are primarily concerned with the safeguarding of your interests. PIPER AIRCRAFT CORPORATION LOCK HAVEN, PENNSYLVANIA May 15, 1946 U. S. A. СССССССССССССССССССССССССССССС -5- Warranty for "PIPER" Airplanes The Piper Aircraft Corporation warrants each new airplane or part to be free from de- fects in material and workmanship when used under normal conditions, for ninety days or in no case to exceed fifty hours flying time, after delivery of plane from factory. This warranty is limited to replacing or repairing at its fac- tory any part or parts which have been re- turned to the Piper Aircraft Corporation with transportation charges prepaid and which, in its opinion, are defective. This warranty is ex- pressly in lieu of all other warranties and rep- resentations, expressed or implied, and all other obligations or liabilities on the part of the Piper Aircraft Corporation. This warranty does not cover any labor charges for replacement of parts, adjustments, repairs, or any other work done by the Piper Aircraft Corporation or other parties. This warranty shall not apply to any aircraft or part which shall have been repaired or al- tered outside of our factory in any way, so as in our judgment to affect its operation, or which has been subject to misuse, negligence, or accident. The Piper Aircraft Corporation makes no warranty, with respect to motor, instruments, propellers, tires, wheels, or other trades acces- sories, inasmuch as they are usually warranted especially by their respective manufacturers. The Piper Aircraft Corporation reserves the
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right to change the aircraft or parts, specifica- tions, or prices without incurring any responsi- bility with regard to aircraft or parts previ- ously or subsequently sold or replaced. כככככגננננננג ССССССССССССССССССССССС The Piper Aircraft Corporation is not re- sponsible to any purchaser of its goods for any undertaking, representation, or warranty made by dealers selling its products, beyond those herein expressed. PIPER AIRCRAFT CORPORATION 7 RT MACAR GENERAL DESCRIPTION TYPE: 2 Place, Tandem, Closed Land or Sea Monoplane. ENGINE INSTALLATION: Single engine in nose of fuselage; Continental A-65-8 dual unshielded ignition en- gine installed as standard. WING: Strut braced, two spar, cloth covered, USA 35-B Airfoil. FUSELAGE: Welded steel tubing cloth cov- ered. Door on right side of cockpit. CHASSIS: The main gear is the split axle type with rubber cord shock ab- sorbers. 8.00 x 4 low pressure tires and indi- vidually controlled hydraulic brakes are in- stalled as standard equipment. A steerable tail wheel with a 2.00 x 6 solid rubber tire is in- stalled as standard equipment. The tailspring structure incorporates 8 formed spring steel leaves. CONTROL SYSTEMS: Dual control sticks and dual rudder pedals. Cable attachments between control sur- faces and cockpit. Dashboard control for cabin heater. Throttle, fuel shut-off, and stabilizer control on left side of cockpit. Ignition switch on left side of ceiling. Carburetor heater con- trol on right side of cockpit. ССССССССССССССССССССССССССС NOMENCLATURE OF THE PIPER CUB 1. Wing Tip Bow 2. Frank Wing Spar 3. Wing Rib 4. Wing Nose Rib 5. Looding Edge Cover 6. Jury Siruir 7. Throttle a. Ignition Switch 9. Fuel Tank 10, Fuel Gauge 11. Engino 12. Propeller Hub 13. Propeller 14. Front Rudder Pedal 15. Stabilizer Adļusi- ment Crank 16. Frant Control Stick 17. Landing Geor Shock Struis 14. Rear Rudder Podol 19. Wheel and Tire 20. Rear Contral Stick 21. Wing Lift Struts 22. Rudder Control Cable 23. Tall Wheel 24. Elevator 25. Stabilizer 26. Fin 27. Rudder 28. Aileron Control Cable 29. Alleran 30. Rear Wing Spor DIMENSIONS Wing Span-35′ 2½" Wing Chord-5' 3" Wing Area, including Ailerons- 178.5 Sq. Ft. Wing Incidence (Root)-2° Overall Length-22' 4" with Engine Front Seat Width-14" Height above Floor-8" Height of back-21" Rear Seat- Width-24" Height above Floor-8" Height of back-1814" Seat Back to Control Stick- Front-16½" Rear-15" Control Stick Grip Above Floor- Front-22” Rear -22 Seat Back to Rudder Pedals— Front 34" Rear 36" Width of Luggage Compartment-25" Breadth of Luggage Compartment--11" Depth of Luggage Compartment-18" Baggage Capacity-20 lbs. Width of Firewall-21%" Depth of Firewall -28%" ССССССССССССССССССССССССССССССС 11 Width of Instrument Panel-26" Stabilizer Area (Two Sides)-15.1 Sq. Ft. Elevator Area (Two Sides)—11.7 Sq. Ft. Stabilizer Span (Overall)-9′ 6″ Fin Area 4.7 Sq. Ft. Rudder Area-6.55 Sq. Ft. Rudder Height-4' 5%' Aileron Chord—13¼” Aileron Span-8′ 6½" Aileron Area (Each)-9.6 Sq. Ft. Wheel Tread-71" (Static) Tire Size 8.00 x 4 Air Pressure-15 lbs. Wing Leading Edge to Axle Centerline-2½" Axle Centerline to Tail Post-15′ 7½” Tail Wheel Size-2.00 x 6 Overall Height—6′ 8″ 12 SECTION I WING WING: The fabric covered wing incorporates either laminated or solid Sitka spruce wood or extruded aluminum alloy spars Maintenance on the wood spars includes inspec- tion for loose or worn fittings and checking or peeling of the spar finish. Maintenance on the metal spars includes inspection for loose fit- tings and prevention or correction of corrosive action. The assembly parts of the metal spar wing are not interchangeable with the assem- bly parts of a wood spar wing. The fabric cover is made of Intermediate Grade or SAE Speci- fication AMS-3804 fabric. Drain grommets are provided on the under side of the wing at the trailing edge. Check these grommets to see that they are open to allow moisture to drain out. DRAG BRACING: Drag bracing in the wing is accomplished by means of round or square steel tubular compression struts and high tensile steel drag brace wires. The compression struts and steel drag wire pulls are bolted to the spars. These attachment points should be inspected at regular intervals for looseness and corrosion. The drag brace wires have 6-40 right hand threads at each end. The drag brace wires should run straight out of the nipple connec- tions. Bent drag brace wires should be re- placed. Adjustments to the drag brace wires should be made with extreme care so as to avoid scratching or marking the wires with the wrench or pliers. Do not draw the lock nut too tight as high stresses in the drag brace wires ССССССССССССССССCCCCCC 13