Cessna 172 Pilot Operating Handbook
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Pitot-Static System Blockage Effects on Airspeed Indicator
The Dramatic Effects of Pitot-Static System Blockages and Failures by Luiz Roberto Monteiro de Oliveira . Table of Contents I ‐ Introduction…………………………………………………………………………………………………………….1 II ‐ Pitot‐Static Instruments…………………………………………………………………………………………..3 III ‐ Blockage Scenarios – Description……………………………..…………………………………….…..…11 IV ‐ Examples of the Blockage Scenarios…………………..……………………………………………….…15 V ‐ Disclaimer………………………………………………………………………………………………………………50 VI ‐ References…………………………………………………………………………………………….…..……..……51 Please also review and understand the disclaimer found at the end of the article before applying the information contained herein. I - Introduction This article takes a comprehensive look into Pitot-static system blockages and failures. These typically affect the airspeed indicator (ASI), vertical speed indicator (VSI) and altimeter. They can also affect the autopilot auto-throttle and other equipment that relies on airspeed and altitude information. There have been several commercial flights, more recently Air France's flight 447, whose crash could have been due, in part, to Pitot-static system issues and pilot reaction. It is plausible that the pilot at the controls could have become confused with the erroneous instrument readings of the airspeed and have unknowingly flown the aircraft out of control resulting in the crash. The goal of this article is to help remove or reduce, through knowledge, the likelihood of at least this one link in the chain of problems that can lead to accidents. Table 1 below is provided to summarize -
JACK RILEY and the SKYROCKETS Page 36
VOL 15 ISSUE 01 JAN 2018 cessnaflyer.org JACK RILEY AND THE SKYROCKETS page 36 Step-by-step fuel cell replacement Q&A: Backcountry tires for a 182 CHANGE SERVICE REQUESTED SERVICE CHANGE Permit No. 30 No. Permit Montezuma, IA Montezuma, PAID RIVERSIDE, CA 92517 CA RIVERSIDE, U.S. Postage U.S. 5505 BOX PO Presorted Standard Presorted CESSNA FLYER ASSOCIATION FLYER CESSNA • Interior Panels and Glare Shields for Cessna 170, 175, 180, 185, 172 and early 182, U & TU 206, 207* • Nosebowls for Cessna 180, 185, Vol. 15 Issue 01 January 2018 210 and early 182 • All Products FAA Approved Repair Station No. LOGR640X The Official Magazine of Specializing in Fiberglass Aircraft Parts • Extended Baggage Kits for The Cessna Flyer Association Cessna 170 B, 172, 175, 180, 185, E-mail: [email protected] 206/207 and 1956-1980 182 www.selkirk-aviation.com • Vinyl and Wool Headliners (208) 664-9589 • Piper PA-18 Cub Cowling on field approval basis for certified aircraft Composite Cowls Available for PRESIDENT Jennifer Dellenbusch All C180, All C185 and 1956-1961 C182 *207 interiors on Field Approval basis. [email protected] VICE PRESIDENT / DIRECTOR OF SALES Kent Dellenbusch [email protected] PRODUCTION COORDINATOR Heather Skumatz CREATIVE DIRECTOR Marcus Y. Chan YES! ASSOCIATE EDITOR Scott Kinney EDITOR AT LARGE Thomas Block CONTRIBUTING EDITORS Mike Berry • Steve Ells • Kevin Garrison Michael Leighton • Dan Pimentel John Ruley • Jacqueline Shipe Dale Smith • Kristin Winter CONTRIBUTING PHOTOGRAPHERS IT’S CERTIFIED! Paul Bowen • James Lawrence • Keith Wilson Electroair's Electronic Ignition System P.O. Box 5505 Riverside, CA 92517 Toll-Free: 800.397.3920 Call or Text: 626.844.0125 www.cessnaflyer.org Cessna Flyer is the official publication of the Cessna Flyer Association. -
ALT / VS Selector/Alerter
ALT / VS Selector / Alerter PN 01279-( ) Pilot’s Operating Handbook ENT ALT SEL ALR DH VS BARO S–TEC * Asterisk indicates pages changed, added, or deleted by List of Effective Pages current revision. Retain this record in front of handbook. Upon receipt of a Record of Revisions revision, insert changes and complete table below. Revision Number Revision Date Insertion Date/Initials 1st Ed. Oct 26, 00 2nd Ed. Jan 15, 08 3rd Ed. Jun 24, 16 3rd Ed. Jun 24, 16 i S–TEC Page Intentionally Blank ii 3rd Ed. Jun 24, 16 S–TEC Table of Contents Sec. Pg. 1 Overview...........................................................................................................1–1 1.1 Document Organization....................................................................1–3 1.2 Purpose..............................................................................................1–3 1.3 General Control Theory....................................................................1–3 1.4 Block Diagram....................................................................................1–4 2 Pre-Flight Procedures...................................................................................2–1 2.1 Pre-Flight Test....................................................................................2–3 3 In-Flight Procedures......................................................................................3–1 3.1 Selector / Alerter Operation..............................................................3–3 3.1.1 Data Entry.............................................................................3–3 -
Airspeed Indicator Calibration
TECHNICAL GUIDANCE MATERIAL AIRSPEED INDICATOR CALIBRATION This document explains the process of calibration of the airspeed indicator to generate curves to convert indicated airspeed (IAS) to calibrated airspeed (CAS) and has been compiled as reference material only. i Technical Guidance Material BushCat NOSE-WHEEL AND TAIL-DRAGGER FITTED WITH ROTAX 912UL/ULS ENGINE APPROVED QRH PART NUMBER: BCTG-NT-001-000 AIRCRAFT TYPE: CHEETAH – BUSHCAT* DATE OF ISSUE: 18th JUNE 2018 *Refer to the POH for more information on aircraft type. ii For BushCat Nose Wheel and Tail Dragger LSA Issue Number: Date Published: Notable Changes: -001 18/09/2018 Original Section intentionally left blank. iii Table of Contents 1. BACKGROUND ..................................................................................................................... 1 2. DETERMINATION OF INSTRUMENT ERROR FOR YOUR ASI ................................................ 2 3. GENERATING THE IAS-CAS RELATIONSHIP FOR YOUR AIRCRAFT....................................... 5 4. CORRECT ALIGNMENT OF THE PITOT TUBE ....................................................................... 9 APPENDIX A – ASI INSTRUMENT ERROR SHEET ....................................................................... 11 Table of Figures Figure 1 Arrangement of instrument calibration system .......................................................... 3 Figure 2 IAS instrument error sample ........................................................................................ 7 Figure 3 Sample relationship between -
How Doc Draper Became the Father of Inertial Guidance
(Preprint) AAS 18-121 HOW DOC DRAPER BECAME THE FATHER OF INERTIAL GUIDANCE Philip D. Hattis* With Missouri roots, a Stanford Psychology degree, and a variety of MIT de- grees, Charles Stark “Doc” Draper formulated the basis for reliable and accurate gyro-based sensing technology that enabled the first and many subsequent iner- tial navigation systems. Working with colleagues and students, he created an Instrumentation Laboratory that developed bombsights that changed the balance of World War II in the Pacific. His engineering teams then went on to develop ever smaller and more accurate inertial navigation for aircraft, submarines, stra- tegic missiles, and spaceflight. The resulting inertial navigation systems enable national security, took humans to the Moon, and continue to find new applica- tions. This paper discusses the history of Draper’s path to becoming known as the “Father of Inertial Guidance.” FROM DRAPER’S MISSOURI ROOTS TO MIT ENGINEERING Charles Stark Draper was born in 1901 in Windsor Missouri. His father was a dentist and his mother (nee Stark) was a school teacher. The Stark family developed the Stark apple that was popular in the Midwest and raised the family to prominence1 including a cousin, Lloyd Stark, who became governor of Missouri in 1937. Draper was known to his family and friends as Stark (Figure 1), and later in life was known by colleagues as Doc. During his teenage years, Draper enjoyed tinkering with automobiles. He also worked as an electric linesman (Figure 2), and at age 15 began a liberal arts education at the University of Mis- souri in Rolla. -
Sept. 12, 1950 W
Sept. 12, 1950 W. ANGST 2,522,337 MACH METER Filed Dec. 9, 1944 2 Sheets-Sheet. INVENTOR. M/2 2.7aar alwg,57. A77OAMA). Sept. 12, 1950 W. ANGST 2,522,337 MACH METER Filed Dec. 9, 1944 2. Sheets-Sheet 2 N 2 2 %/ NYSASSESSN S2,222,W N N22N \ As I, mtRumaIII-m- III It's EARAs i RNSITIE, 2 72/ INVENTOR, M247 aeawosz. "/m2.ATTORNEY. Patented Sept. 12, 1950 2,522,337 UNITED STATES ; :PATENT OFFICE 2,522,337 MACH METER Walter Angst, Manhasset, N. Y., assignor to Square D Company, Detroit, Mich., a corpora tion of Michigan Application December 9, 1944, Serial No. 567,431 3 Claims. (Cl. 73-182). is 2 This invention relates to a Mach meter for air plurality of posts 8. Upon one of the posts 8 are craft for indicating the ratio of the true airspeed mounted a pair of serially connected aneroid cap of the craft to the speed of sound in the medium sules 9 and upon another of the posts 8 is in which the aircraft is traveling and the object mounted a diaphragm capsuler it. The aneroid of the invention is the provision of an instrument s: capsules 9 are sealed and the interior of the cas-l of this type for indicating the Mach number of an . ing is placed in communication with the static aircraft in fight. opening of a Pitot static tube through an opening The maximum safe Mach number of any air in the casing, not shown. The interior of the dia craft is the value of the ratio of true airspeed to phragm capsule is connected through the tub the speed of sound at which the laminar flow of ing 2 to the Pitot or pressure opening of the Pitot air over the wings fails and shock Waves are en static tube through the opening 3 in the back countered. -
Citation X+ There Is Nothing Faster
CITATION X+ THERE IS NOTHING FASTER Period. Fly the uncontested speed leader up to Mach 0.935 (717 mph) to a max altitude of 51,000 feet, way ahead of your competition. Combining cross-continental range, a technologically advanced flight deck and cabin, and legendary performance makes the Citation X®+ unmatched in more than just speed. Max Range Max Cruise Speed Max Passengers 3,460 nm 528 ktas 12 Useful Load Takeoff Distance 14,769 lb 5,250 ft HIGH-PERFORMANCE BOARDROOM Relax in the wide, reclining seats with plenty of legroom, and enjoy the view through 13 large windows. Exceptional leathers and fabrics, hand-finished hardwoods, and a contemporary vanity and lavatory complete the fit and finish of the Citation X+ cabin. STAY CONNECTED IN FLIGHT Manage cabin lighting, window shades, temperature and entertainment with simple touch-screen commands, and stay connected with in-cabin high-speed Internet and Wi-Fi. AN INTERIOR DESIGNED FOR YOUR NEEDS Thirteen large windows Standard belted Executive tables Additional storage Class-leading Fully tracking, Large galley with flushing lavatory stow neatly between seats legroom berthable room for food swing-out seats preparation CUSTOMIZED COMFORT Choose customized interior finishes and personalized touches throughout to make the Citation X+ your own. Multiple cabin compartments and additional storage space are just a few of the available options. Standard Seating Optional Seating LEADING-EDGE AVIONICS The Garmin™ G5000™ avionics suite allows pilots to individualize their layouts, providing such features as full-dimensional renderings of terrain and precise weather pattern and traffic monitoring, all from a touch-screen, intuitive interface. -
Development and Flight Test Experiences with a Flight-Crucial Digital Control System
NASA Technical Paper 2857 1 1988 Development and Flight Test Experiences With a Flight-Crucial Digital Control System Dale A. Mackall Ames Research Center Dryden Flight Research Facility Edwards, Calgornia I National Aeronautics I and Space Administration I Scientific and Technical Information Division I CONTENTS Page ~ SUMMARY ................................... 1 I 1 INTRODUCTION . 1 2 NOMENCLATURE . 2 3 SYSTEM SPECIFICATION . 5 3.1 Control Laws and Handling Qualities ................. 5 3.2 Reliability and Fault Tolerance ................... 5 4 DESIGN .................................. 6 4.1 System Architecture and Fault Tolerance ............... 6 4.1.1 Digital flight control system architecture .......... 6 4.1.2 Digital flight control system computer hardware ........ 8 4.1.3 Avionics interface ...................... 8 4.1.4 Pilot interface ........................ 9 4.1.5 Actuator interface ...................... 10 4.1.6 Electrical system interface .................. 11 4.1.7 Selector monitor and failure manager ............. 12 4.1.8 Built-in test and memory mode ................. 14 4.2 ControlLaws ............................. 15 4.2.1 Control law development process ................ 15 4.2.2 Control law design ...................... 15 4.3 Digital Flight Control System Software ................ 17 4.3.1 Software development process ................. 18 4.3.2 Software design ........................ 19 5 SYSTEM-SOFTWARE QUALIFICATION AND DESIGN ITERATIONS ............ 19 5.1 Schedule ............................... 20 5.2 Software Verification ........................ 21 5.2.1 Verification test plan .................... 21 5.2.2 Verification support equipment . ................ 22 5.2.3 Verification tests ...................... 22 5.2.4 Reverifying the design iterations ............... 24 5.3 System Validation .......................... 24 5.3.1 Validation test plan . ............... 24 5.3.2 Support equipment ....................... 25 5.3.3 Validation tests ....................... 25 5.3.4 Revalidation of designs ................... -
2020 Jeep® Compass
2020 JEEP® COMPASS SELECT STANDARD FEATURES NEW Ventilated Leather-Trimmed Seats — Available on Trailhawk® and Limited models NEW Driver’s Seat Memory — Available on Trailhawk and Limited models NEW Alpine® Premium Speakers — Available on Latitude, Trailhawk and Limited models NEW Power Eight-Way Passenger Seat with Power Four-Way Lumbar Adjuster Jeep Active Drive 4x4 Systems — 4x4 models Jeep Active Drive Low 4x4 System with Hill Descent Control — Trailhawk models Selec-Terrain® Traction Management System with up to Five Modes — 4x4 models 60/40 Split-Folding Rear Seats and Center Armrest with Cup Holders Air Conditioning with Dual-Zone Automatic Temperature Controls Apple CarPlayTM(16) iPhone® Integration and Android AutoTM(9) Smartphone Compatible Daytime Running Lamp System Driver Information Display in 3.5-inch Black-and-White or 7-inch Full-Color Display Full-Length Front Floor Console with Sliding Armrest in Soft Vinyl and Cup Holders Height-Adjustable Load Floor with up to Three-Position Adjustment Integrated Voice Command with Bluetooth® Media Hub with USB Port and Auxiliary Input Jack; 2nd USB Port on Back of Center Console Power Front Windows, One-Touch Up and Down Power-Heated, Power-Adjusting and Manual-Folding Side Mirrors Quad-Halogen Headlamps with Off-Time Delay Remote Keyless/Illuminated Entry with Push-Button Start Steering Wheel with Mounted Audio and Cruise Controls Two 12-Volt and Available 115-Volt Outlets Uconnect® 7-inch or 8.4-inch Touchscreen Display Radios SAFETY & SECURITY Adaptive Cruise Control with Stop -
Installation Manual, Document Number 200-800-0002 Or Later Approved Revision, Is Followed
9800 Martel Road Lenoir City, TN 37772 PPAAVV8800 High-fidelity Audio-Video In-Flight Entertainment System With DVD/MP3/CD Player and Radio Receiver STC-PMA Document P/N 200-800-0101 Revision 6 September 2005 Installation and Operation Manual Warranty is not valid unless this product is installed by an Authorized PS Engineering dealer or if a PS Engineering harness is purchased. PS Engineering, Inc. 2005 © Copyright Notice Any reproduction or retransmittal of this publication, or any portion thereof, without the expressed written permission of PS Engi- neering, Inc. is strictly prohibited. For further information contact the Publications Manager at PS Engineering, Inc., 9800 Martel Road, Lenoir City, TN 37772. Phone (865) 988-9800. Table of Contents SECTION I GENERAL INFORMATION........................................................................ 1-1 1.1 INTRODUCTION........................................................................................................... 1-1 1.2 SCOPE ............................................................................................................................. 1-1 1.3 EQUIPMENT DESCRIPTION ..................................................................................... 1-1 1.4 APPROVAL BASIS (PENDING) ..................................................................................... 1-1 1.5 SPECIFICATIONS......................................................................................................... 1-2 1.6 EQUIPMENT SUPPLIED ............................................................................................ -
Fuel Tank Maintenance & Safety
Slide 1 Fuel Tank Maintenance & Safety This fuel tank safety course will deal with inspections and preventions required to identify ignition sources of the design. The reason for concern about Fuel Tank Safety The proposal stemmed from the July 1995 TWA Flight 800 explosion over the Atlantic. The Boeing 747 broke apart after takeoff from New York, killing all 230 people aboard. Investigators believe a wiring problem triggered a spark that ignited fuel vapors in the jet's center tank. In November 15, 2005 US airlines and aircraft manufacturers would have to equip more than 3,200 passenger jets with safety systems to reduce the potential of fuel tank fire or explosions, according to a Federal Aviation Administration Maintenance training for the technicians is one of those safety features. The maintenance of ignition prevention is necessary for the inherent safety and reliability of an aircraft’s fuel tank system. The aircraft cannot be operated indefinitely with the failure of an ignition prevention feature. The failure will have a direct adverse effect on operational safety. The Fuel Tank Safety program will prevent catastrophic failure and allow safe flight and landing of the aircraft without serious or fatal injury to the occupants. This fuel tank safety course will deal with inspections and preventions required to identify ignition sources of the design. The failure of any of these design sources may not immediately result in an unsafe condition, but it may warrant certain maintenance to support continued airworthiness. Note: A large percentage of the work involved in properly inspecting and modifying airplane fuel tanks and their systems this must be done in the inside of the tanks. -
Using an Autothrottle to Compare Techniques for Saving Fuel on A
Iowa State University Capstones, Theses and Graduate Theses and Dissertations Dissertations 2010 Using an autothrottle ot compare techniques for saving fuel on a regional jet aircraft Rebecca Marie Johnson Iowa State University Follow this and additional works at: https://lib.dr.iastate.edu/etd Part of the Electrical and Computer Engineering Commons Recommended Citation Johnson, Rebecca Marie, "Using an autothrottle ot compare techniques for saving fuel on a regional jet aircraft" (2010). Graduate Theses and Dissertations. 11358. https://lib.dr.iastate.edu/etd/11358 This Thesis is brought to you for free and open access by the Iowa State University Capstones, Theses and Dissertations at Iowa State University Digital Repository. It has been accepted for inclusion in Graduate Theses and Dissertations by an authorized administrator of Iowa State University Digital Repository. For more information, please contact [email protected]. Using an autothrottle to compare techniques for saving fuel on A regional jet aircraft by Rebecca Marie Johnson A thesis submitted to the graduate faculty in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE Major: Electrical Engineering Program of Study Committee: Umesh Vaidya, Major Professor Qingze Zou Baskar Ganapathayasubramanian Iowa State University Ames, Iowa 2010 Copyright c Rebecca Marie Johnson, 2010. All rights reserved. ii DEDICATION I gratefully acknowledge everyone who contributed to the successful completion of this research. Bill Piche, my supervisor at Rockwell Collins, was supportive from day one, as were many of my colleagues. I also appreciate the efforts of my thesis committee, Drs. Umesh Vaidya, Qingze Zou, and Baskar Ganapathayasubramanian. I would also like to thank Dr.