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PIPER CUB J3-65 N68952

Piper J-3 Cub · Checklist

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Overview

This document is a pre-flight and operations checklist for the Piper J-3 Cub, specifically the J3-65 model. It provides detailed procedures for pilots to ensure the aircraft is ready for flight, covering pre-flight inspections, engine start procedures, taxiing, take-off, and emergency procedures. The checklist is designed to enhance safety and operational efficiency by guiding pilots through essential checks and actions before and during flight. It includes specifications for the aircraft, such as weight limits, fuel requirements, and performance speeds, making it a comprehensive reference for pilots and aviation enthusiasts.

  • Engine type: Continental O-200, 85 horsepower
  • Maximum gross weight: 1220 lbs
  • Fuel capacity: 12 gallons
  • Cruise airspeed: 75 MPH at 2150 RPM
  • Stall speed: 38 MPH

Document

Source

Originally published by chestertailwheel.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.

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Document details

Type
Checklist
Pages
13
File size
638 KB
Publisher
chestertailwheel.com
How rare is it?
1Piper J-3 Cub registered worldwide · 0 active

Common. Rarer than 24% of the aircraft models we track.

Documentation completeness
4/7

Most owners only have the POH. Here's the essential set for the Piper J-3 Cub.

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In this document

Pre-Flight Checklist

The pre-flight checklist includes essential checks such as verifying the airworthiness certificate, ensuring the battery is connected, and checking fuel levels. It also covers inspections of the cockpit, engine, wings, and tail to confirm all components are secure and functioning properly.

Operations Checklist

The operations checklist outlines the steps before engine start, including securing seat belts and ensuring the battery is connected. It details the engine start procedure, including specific actions like pumping the primer and checking oil pressure.

Emergency Procedures

Emergency procedures are provided for various scenarios, including engine failure and loss of oil pressure. The checklist specifies actions to take, such as identifying landing options and securing the aircraft in case of an emergency.

Specifications

The specifications section includes critical information about the Piper J-3 Cub, such as engine type (Continental O-200), horsepower (85), fuel capacity (12 gallons), and weight limits (maximum gross weight of 1220 lbs). It also lists important speeds like stall speed and best climb rates.

Safety notes

  • Always check for hydraulic brake reservoir leaks during pre-flight inspection.
  • Ensure oil pressure is at least 15 psi within 30 seconds after engine start.
  • In case of engine fire during start, abandon the aircraft immediately.

Full document text

1 PIPER CUB J3-65 N68952 PRE-FLIGHT CHECKLIST COCKPIT  Check airworthiness certificate, registration, weight & balance documentation  Battery - CONNECTED  Plug in headsets or secure as required  Fuel – ON  Magnetos – OFF  Primer – CLOSED & LOCKED  Mixture – LEAN  Carb Heat – COLD  Check rudder pedals and brake linkages  Check for hydraulic brake reservoirs leaks  Check control stick cable attachment  Check overhead aileron cable linkage  Drain fuel tank sump and inspect for contaminants 2 RIGHT SIDE  Check foot step is secure  Check the lower wing strut bolts are secure  Check upper and lower door hinges are secure  Check landing gear attachment bolts are secure  Check landing gear strut attachment bolts are secure  Check bungee covers are secure  Check right tire inflation level & wear  Check right wheel brake line is secure and brake lining is visible ENGINE & NOSE  Check fuel level and gauge  Check oil is at 5 quarts  Check cowling pins are secure  Check muffler is secure  Check ignition wires are secure  Check “bug eye” air scoops are secure  Check propeller and spinner is secure  Check the air filter is clear  Check the exhaust manifolds are secure  Drain fuel from the fuel system Note: Repeat for both sides of the engine 3 LEFT SIDE & WING  Check the lower strut bolts are secure  Check landing gear attachment bolts are secure  Check landing gear strut attachment bolts are secure  Check bungee covers are secure  Check left tire inflation level & wear  Check left wheel brake line is secure and brake lining is visible  Check lift struts and jury struts are secure and not deformed  Check pitot tube is clear and pitot tube cover is free moving  Check aileron cable is not frayed and guy bushings are in place  Check upper lift strut bolts are secure  Check upper aileron cable pulley is secure  Check wing leading edge and wing tip is not deformed  Check aileron hinge and cable attachments are secure  Check the wing root gap covers are secure 4 TAIL  Check the left horizontal stabilizer attachment bolts are secure  Check the trim mechanism has minimal play and is secure  Check the left upper and lower flying wires are secure  Check the left elevator hinge and cable attachments are secure  Check the rudder hinge and cable attachments are secure  Check the tail wheel leaf spring and tension spring attachment is secure  Check the right elevator hinge attachments are secure  Check the right horizontal stabilizer attachment bolts are secure  Check the right upper and lower flying wires are secure RIGHT WING  Check the wing root gap covers are secure  Check radio antenna is secure  Check aileron hinge and cable attachments are secure  Check wing leading edge and wing tip is not deformed  Check upper lift strut bolts are secure  Check upper aileron cable pulley is secure  Check lift struts and jury struts are secure and not deformed  Check aileron cable is not frayed and guy bushings are in place 5 PIPER CUB J3-65 N68952 OPERATIONS CHECKLIST BEFORE ENGINE START  Seat Belts - SECURE  Battery - CONNECTED  Magnetos – OFF  Throttle - CLOSED  Fuel – ON  Carb Heat – COLD  Mixture – RICH ENGINE START  Primer – 2 PUMPS THEN LOCK o 4 PUMPS if below 40 degrees F  Brakes – SET  Pull prop through 5 blades  Magnetos – BOTH  Throttle – 1/10 OPEN  Stick – FULL AFT  Propeller Area Clear  Pull prop through quickly and clear prop arc  Oil Pressure – 15 psi MIN IN 30 SECONDS  Throttle – 600 RPM  Idle for 3 minutes before taxi 6 BEFORE TAXI  Radio – ON  Intercom – ON TAXI  Brakes – CHECK  Proceed to taxi using “S” turns for visibility BEFORE TAKE-OFF  Flight Controls – FREE AND CORRECT TO LIMITS  Elevator Trim – NEUTRAL  Altimeter – SET  Throttle – 1700 RPM,  Mag Select L & R - NO MORE THAN 75 RPM DROP EACH MAG AND NO MORE THAN 50 RPM DIFFERENCE  Carb Heat – WARM, NOTE DROP IN RPM  Oil Pressure – 30 – 60 PSI (Green Arc)  Throttle – 600 RPM TAKE-OFF  Fuel – ON  Oil Temperature – 225 Degrees Maximum  Oil Pressure – 15 PSI Minimum  Primer - LOCKED  Carb Heat – COLD  Mixture - RICH  Throttle – FULL OPEN, 2550 RPM Maximum  Climb at 55 MPH  Trim as required 7 CRUISE  Throttle – 2150 RPM  Oil Temperature – 225 Degrees Maximum  Oil Pressure – 30-60 PSI  Trim as required BEFORE LANDING  Mixture – RICH  Carb Heat – WARM 15 SECONDS BEFORE REDUCING POWER  Airspeed – 50 – 60 MPH AFTER LANDING  Carb Heat – Cold ENGINE SHUT DOWN  Throttle – 600 RPM  Mixture – LEAN  Magnetos – OFF, AFTER ENGINE STOPS  Intercom – OFF  Radio – OFF  Battery – DISCONNECTED SECURING (IF NOT HANGERED)  Wings/Tail – SECURE TO TIE DOWN  Elevator – SECURE WITH SEAT BELT FULL AFT  Door – SECURE REACHING THROUGH WINDOW  Window – SECURE WITH WEDGE OUTSIDE 8 PIPER CUB J3-65 N68952 EMERGENCY PROCEDURES ENGINE FAILURE  Carb Heat – WARM  Airspeed – 55 MPH  Landing Site – IDENTIFY LANDING OPTIONS  Communicate – TRANSMIT MAYDAY 121.5 MHz  Fuel – ON  Primer – CLOSED AND LOCKED  Mixture – RICH  Throttle – OPEN  Magnetos – VERIFY LEFT AND RIGHT MAGS OPERATING NORMALLY EMERGENCY LANDING  Mixture – LEAN  Throttle – CLOSED  Fuel – OFF  Magnetos – OFF  Seat Belts – Secured  Door – UNLATCHED 9 LOSS OF OIL PRESSURE  Oil Temperature – 225 DEGREES MAXIMUM o If oil temperature is rapidly rising – LAND IMMEDIATELY o If oil temperature is stable – LAND AS SOON AS PRACTICAL ENGINE FIRE DURING START  Throttle – CLOSED  Mixture – LEAN  Fuel - OFF  Magnetos – OFF  Abandon Aircraft ENGINE FIRE IN FLIGHT  Throttle – CLOSED  Mixture – LEAN  Fuel – OFF  Cabin Heat – OFF  Magnetos – OFF  Dive to extinguish fire: DO NOT EXCEED 122 MPH 10 PIPER CUB J3-65 N68952 SPECIFICATIONS GENERAL INFORMATION  Engine – Continental O-200  Horsepower – 85  Oil Quantity – 5 quarts, 50 AD above 50 Degrees F  5 quarts, 30 AD below 50 Degrees F  Fuel Octane – 80/87 Minimum  110LL is acceptable  Fuel Quantity – 12 Gallons

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 Cruise Airspeed – 75 MPH at 2150 RPM  Goss Weight – 1220 lbs Maximum  Empty Weight – 772 lbs (includes oil)  Useful Load – 448 lbs (fuel, people, baggage)  Tire Pressure – 15 PSI SPEEDS AND LIMITS  Stall Speed (Vs) – 38 MPH  Best Angle of Climb (Vx) – 50 MPH  Best Rate of Climb (Vy) – 55 MPH  Maneuvering Speed (Va) – 65 MPH (approximately)  Never Exceed Speed (Vne) – 122 MPH 11 PIPER CUB J3-65 N68952 HOT ENGINE START PROCEDURE  If the engine has been cooling for less than 10 minutes it should start normally.  Follow the procedure below if the engine has been cooling for between 10 to 20 minutes. o Magnetos – OFF o Throttle – CLOSED o Fuel – ON o Carb Heat – COLD o Mixture – RICH o Brakes – SET o Primer – 4 PUMPS THEN LOCK o Pull prop through 12 blades o Throttle – 1/10 OPEN o Magnetos – BOTH o Pull prop through quickly and clear prop arc 12 PIPER CUB J3-65 N68952 WEIGHT & BALANCE Weight (lbs) Arm (in) Moment (in-lbs) Basic Empty Weight 772 15.24 11758 Fuel -18 Rear Seat +36 Front Seat +9 Baggage (20 lbs Max.) +49 Totals: Maximum Weight: 1220 lbs Total Arm - Total Moment/Total Weight Basic Empty Weight includes 5 Qts of oil 13