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SC063
__________________________________________
Copyright © 2022. Barfield Inc. All Rights Reserved
Sight Compass
USER INSTRUCTION MANUAL
M/N: SC063, P/N: 101-01200
Doc. P/N: 56-101-01200
Revision G
November 9, 2022
SC063 is designed to be used as
Ground Support Test Equipment.
Not for aircraft installation.
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Summary of Contents for barfield SC063
- Page 1 Sight Compass USER INSTRUCTION MANUAL M/N: SC063, P/N: 101-01200 Doc. P/N: 56-101-01200 Revision G November 9, 2022 __________________________________________ SC063 is designed to be used as Ground Support Test Equipment. Not for aircraft installation. Copyright © 2022. Barfield Inc. All Rights Reserved...
- Page 2 Barfield Inc. Confidential and Proprietary Information. This document and all the information contained herein is the sole property of Barfield Inc. No intellectual property rights are granted by the delivery of this document or the disclosure of its content.
- Page 3 Users are requested to notify the manufacturer of any discrepancy, omission, or error found in this manual. Inquiries should include specific questions and reference the publication title, number, chapter, page, figure, paragraph, and effective date. Please send comments to: TECHNICAL CUSTOMER SUPPORT - GSTE BARFIELD, INC. P.O. BOX 025367 MIAMI, FL 33102-5367 Telephone (305) 894-5400...
- Page 4 The manufacturer of this equipment does not recommend the user to attempt any maintenance or repair. In case of malfunction, contact the manufacturer to obtain the list of approved repair facilities worldwide, ensuring that this equipment will be serviced using proper procedures and certified instruments. BARFIELD PRODUCT SUPPORT DIVISION Telephone (305) 894-5400 Shipping Address: (800) 321-1039 Barfield, Inc.
- Page 5 260-00782 September 9, 2010 Disclaimer and Recertification paragraphs were added. 260-01057 November 7, 2014 Barfield logo updated. Updated formatting; Minor grammar revisions; Addition to Title Page and TOC – List of Tables; Addition of Publication 260-01269 June 26, 2020 Background and Specifications; corrected color identified in Chapter 1, 1(E) from red to orange.
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Page 6: Table Of Contents
TABLE OF CONTENTS Contact Information Maintenance and Repair Information Revision Record Table of Contents List of Figures List of Tables PAGE INTRODUCTION ........................... 1 PUBLICATION BREAKDOWN ....................1 INFORMATION PROVIDED WITH THE UNIT ................1 RECERTIFICATION ........................2 DISCLAIMER ..........................3 CHAPTER 1: GENERAL ........................ - Page 7 LIST OF FIGURES PAGE Figure 1 Identification Label ......................... 1 Figure 2 Owner Warranty Registration Card ..................2 Figure 3 Limited One Year Warranty ....................4 Figure 4 Sight Compass ........................5 Figure 5 Container / Shipping Case, P/N 194-00078 ................8 LIST OF TABLES PAGE Table 1 Physical Characteristics ......................
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Page 8: Introduction
1. PUBLICATION BREAKDOWN This user instruction manual establishes the standards of operation for the Sight Compass, M/N SC063, P/N 101-01200. Its purpose is to provide sufficient information for the personnel unfamiliar with this unit to operate it in accordance with proper procedures, operating techniques, precautions, and limitations. -
Page 9: Recertification
C. The Owner’s Warranty Registration card (refer to Figure 2) is to be completed by the owner and returned to Barfield, Inc. within ten (10) days of purchase to ensure automatic update of printed matter and validation of warranty. -
Page 10: Disclaimer
4. DISCLAIMER BARFIELD, INC., neither a vendor nor supplier of airworthy compasses or an airframe manufacturer, has control over aircraft calibration and certification procedures. The information provided in this Instruction Manual is presented as reference only, and therefore the compass manufacturer calibration procedures and aircraft maintenance manual shall take precedence over this Manual. -
Page 11: Figure 3 Limited One Year Warranty
Figure 3 Limited One Year Warranty 56-101-01200 Revision G Page 4... -
Page 12: Chapter 1: General
CHAPTER 1: GENERAL 1. INTENDED USE A. The BARFIELD INC. SC063 Sight Compass (P/N 101-01200) is a modified version of a standby Aircraft Compass that had its compensating assembly removed and collimator sight attached (refer to Figure 4). It can be used for determining the magnetic suitability of a Compass swinging area, checking and laying out Compass swinging bases, and determining the magnetic heading of an aircraft. -
Page 13: Specifications
2. SPECIFICATIONS A. Physical Data Size (H, W, L) 3.34 in. (8.5 cm), 2.36 (6 cm), 2.75 in. (7 cm) Weight 0.72 lbs. (0.325 kg) Table 1 Physical Characteristics B. Scale The Sight Compass is marked with letters representing the cardinal directions, North (N), East (E), South (S), and West (W), and a number for each 30 degrees between these letters. - Page 14 to obtain the actual magnetic heading. The deviation and its sign are determined by subtracting the aircraft compass reading from the magnetic heading of the aircraft. 2. Variation is the difference between the direction indicated by an undisturbed magnetic compass and the true direction measured in relation to the earth’s geographical North Pole. C.
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Page 15: Chapter 2: Installation
Sight Compass. Any other support, such as a camera tripod, must be carefully checked for the presence of any ferrous materials before being used. B. Enclosure 1. A case, Barfield P/N 194-00078, which facilitates protecting and carrying the Sight Compass. Case features include (refer to Figure 5): a) An injected, molded case. -
Page 16: Chapter 3: Operation
CHAPTER 3: OPERATION WARNING: Before performing the procedures indicated in this chapter, remove all personal items which might contain ferrous material, such as keys, pocketknives, watches, cell phones, radios, pocket calculators, metal pens and pencils, etc. Beware of metal frame eyeglasses, sunshades, metal shirt or jacket buttons, and steel belt buckles. -
Page 17: Verifying Existing Swinging Base
B. Check that a prominent object within the chosen area (at least a mile distant) can be observed. C. Remove all magnetic personal items that could affect the Sight Compass. D. Observe the distant object or objects from at least 8 points equidistant on the perimeter of the chosen 100-foot diameter and note the Sight Compass readings. -
Page 18: Compass Compensation Procedure
C. Sufficient time should be allowed for the Sight Compass to stabilize before taking readings. It is best to take a series of three readings before assuming that the readings are correct. D. Normal procedure is to either taxi or tow the aircraft to approximately the desired heading as read on the Compass to be compensated (within 5 degrees). -
Page 19: Compass Swinging Procedure
A. Set the compensator for zero effect by matching the dots on the compensator screws with the fixed dots on the case. B. Align the Aircraft as nearly as possible (not to exceed 5 degrees error) to magnetic north (0°). C. -
Page 20: Table 2 Compass Worksheet
(Column 1) (Column 2) (Column 3) (Column 4) (Column 5) DESIRED AIRCRAFT SIGHT AIRCRAFT CORRECTED HEADING COMPASS COMPASS COMPASS AIRCRAFT READING READING ERROR COMPASS Table 2 Compass Worksheet (Column 1) (Column 2) (Column 3) (Column 4) (Column 5) DESIRED AIRCRAFT SIGHT AIRCRAFT CORRECTED... -
Page 21: Chapter 4: Care Procedures
CHAPTER 4: CARE PROCEDURES There are no field maintenance procedures for the SC063 Sight Compass, only care in handling and storage are required. 1. HANDLING A. Care should be taken to keep the Sight Compass clean and moisture free. If needed, the front and rear lens should be cleaned using a mild detergent, followed by a clean water rinse, and dried using a soft cloth or facial tissue. -
Page 22: Chapter 5: Receiving & Shipping
CHAPTER 5: RECEIVING & SHIPPING 1. RECEIVING No special unpacking procedures are necessary. It is recommended that factory shipping container and packing materials be retained should it become necessary, for any reason, to reship the Sight Compass, such as for annual recertification or repair. It is also recommended that upon receipt, the Test Set and carrying case be carefully inspected for damage.