INSTALLATION MANUAL AND OPERATING INSTRUCTIONS MD15
Contents
1. MidContinent INSTRUMENTS AVIONICS INSTALLATION MANUAL AND OPERATING INSTRUCTIONS MD15 Series Altimeter REV D July 14 2011 MANUAL NUMBER 9017061 Mid Continent I nstruments and Avionics 9400 E 34 f Street N Wichita KS 67226 USA phone 316 630 0101 e fax 316 630 0723 web www mcico com FOREWORD This manual provides information intended for use by persons who in accordance with current regulatory requirements are qualified to install this equipment If further information is required please contact Mid Continent Instruments and Avionics Attn Customer Service Dept 9400 E 34 Street N Wichita KS 67226 USA Phone 316 630 0101 Fax 316 630 0723 We welcome your comments concerning this manual Although every effort has been made to keep it free of errors some may occur When reporting a specific problem please describe it briefly and include the manual part number the paragraph figure table number and the page number Send your comments to Mid Continent Instruments and Avionics Attn Technical Publications 9400 E 34 Street N Wichita KS 67226 USA Phone 316 630 0101 Fax 316 630 0723 infol mcico com www mcico com Copyright 2010 Mid Continent Instruments and Avionics REV D July 14 2011 2 Manual Number 9017061 REVISION DETAIL Rev Date Approved Detail A 06 25 10 Initial release B 08 12 10 BAW CJM Updated Table 1 2 with Humidity and Magneti2. Waranty Decal location Added 9017169 label 09 02 10 MKN CJM 221 20 000 InHg Right 9016871 3 222 20 000 In Hg L 9016871 4 311 35000 Milibars Right 9016871 5 35 000 Millibars Left 9016871 6 35 000 InHg Right 9016871 7 U L 35 000 In Hg Left 9016871 8 g 8 4 H i pu L1 5 E 8 y Optional adi Light Tray tatic Port 0 125 3777 0 61 SE mens 16 18 UNJF 3 on 2 625 BC per MS33649 06 i 1 g 45 1 253 1 233 2 255 97235 2 245 1 198 Barometric TUS Adjusting Knob Y Left or Right Y Case per MS33638 for a 2 Inch Design Adjustment Screw MID CONTINENT INSTRUMENTS Certification JFAA TSO CIOb Range 1000 to 20 000 or 35 000 feet Scale Millibars mb or Inches of Mercury In Hg Lighting Field Replaceable LED or Incandescent Light Tray available for 5 14 or 28VDC input Colors Dials Black 37038 per FED STD 595 Weight Pointers andText White 37875 per FED STD 595 Black Case Bezel amp Knob DETAIL A In Hg SCALE2 1 UNLESS OTHERWISE DRAWN SPECIFIED ALL DIMENSIONS ARE IN INCHES C Mies TOLERANCE FRACTIONAL 1 64 4 13 2010 30 015 XXX 0 005 APPROVED XXXX 0 002 ANGULAR 0 5 JDS CONCENTRICITY 0 005 TIR BREAK ALL SHARP EDGES 4 13 2010 THREADS PER MIL S 7742 Millibars Qty Part Number Description Asse
3. perform to specifications within this period it must be removed and serviced by a qualified service facility 4 2 ENVI RONMENTAL QUALI FI CATI ON STATEMENT NOMENCLATURE Altimeter MODEL NUMBER MD15 TSO NUMBER C10b MANUFACTURERS SPECI FI CATIONS Minimum Performance Specifications Test Specification TS 350 Test Data Sheet TDS 350 QUALI FI CATION STANDARD FAA TSO C10b and SAE AS 392C amp RTCA DO 160F FAA TSO C10b and SAE AS 392C CONDITIONS TSO DESCRI PTI ON SECTI ON Temperature 3 3 1 Ground Survival Low 65C Operating Low 30C Ground Survival High 70C Operating High 50C 95 at 70 C and 100 at 38 C four complete cycles no observed resonance 1 000 ft to rated range 1 000 ft to 50 000 ft zero magnetic effect at 0 0m from unit RTCA DO 160F DESCRI PTI ON OF TEST Temperature and Altitude 4 Category C1 Short Term Operating Low 4 5 1 40C Short Term Operating High 4 5 5 70C Category C Category W Category 5 Category F Category 5 REV D July 14 2011 11 Manual Number 9017061 Configuration Range ft Barometer Knob Assembly 20 000 Millibars Right 9016871 1 Dash Revision Description ES Production release Approved 04 13 10 CJM JDS 212 20000 Millibars Left 9016871 2 5460 B JAdded
4. 58 02 245 1 198 1 178 1 0 171 00 171 on 02 625 BC 0 60 0 517 FIGURE 3 1 MD15 OUTLINE DRAWING 0 172 or 0 168 E EI ON 02 625 BC 46 3X 44 2 280 A E 85265 7 0 890 200 375 2 aj 0 885 XX1 right hand knob version XX2 left hand knob version FIGURE 3 2 PANEL CUTOUT DIMENSIONS REV D July 14 2011 7 Manual Number 9017061 STATIC PORT 0 515 9 16 18 UNJF 3B PER MS33649 06 G S SF 0 515 XX1 right hand knob version XX2 left hand knob version FIGURE 3 3 MD15 REAR VIEW SECTION 3 OPERATION 3 1 MINIMUM PERFORMANCE REQUIREMENTS The MD15 Altimeter shall meet these minimum performance requirements under standard test conditions 3 1 1 SCALE ERROR With the barometric scale pressure set at 29 92 inches of mercury 1013 millibars the altimeter shall be subjected successively to equivalent pressures from 1 000 ft to the rated altitude of the instrument at the increments established by Table 3 1 The reduction in pressure shall not exceed 20 000 feet per minute to within 2 000 feet of the test point The test point shall be approached at a rate compatible with the test equipment The instrument shall remain at each test point for at least one minute but not more than ten minutes before a reading is taken The error at all test poin
5. by more than 75 feet REV D July 14 2011 8 Manual Number 9017061 3 1 3 AFTER EFFECT Not more than five minutes after the completion of the hysteresis test the pointers shall have returned to their original reading corrected for any change in atmospheric pressure to within 30 feet 3 1 4 FRICTION The altimeter shall be subjected to a steady rate of decreasing pressure equivalent to about 750 feet per minute The change in reading of the pointer before and after the application of vibration shall be recorded at the values indicated and within the tolerance as listed in Table 3 1 Note Where TSO prescribe altitude values for Friction test points do not match test points in the Scale Error test test points before and after the target value have been selected for this test for example where 5000 ft is called for test points are taken at 4000 and 6000 instead to match the Scale Error test This method exceeds the TSO requirement 3 1 5 CASE LEAK With an equivalent pressure of 18 000 feet applied the resultant leakage shall not cause the indicator to deviate more than 100 feet within one minute 3 1 6 POSITION ERROR With atmospheric pressure applied to the instrument the difference between pointer indication when the instrument is in normal operating position and when it is in any other position shall not exceed 20 feet 3 1 7 BAROMETRIC SCALE ERROR With ambient pressure constant the barometric pressure scale shall be adjuste
6. c Effect info Added detail to Section 4 Conformance table C 10 15 10 MKN CJM Changed 0 890 0 885 from 2 625BC hole to knob hole cutout in Figure 3 2 D 07 14 11 MKN CJM Added DO 160 Environmental Qualifications in Sections 1 2 2 and 4 2 REV D July 14 2011 3 Manual Number 9017061 TABLE OF CONTENTS 1 GENERAL DESCRI PTI ON 11 INTRODUCTION 1 2 TECHNICAL SPECIFICATIONS 1 2 1 PHYSICAL ATTRIBUTES 1 2 2 QUALIFICATIONS SECTION2 INSTALLATION PROCEDURE 2 1 GENERAL INFORMATION 2 2 UNPACKI NG AND INSPECTING 2 3 INSTALLATION 2 4 LIMITATIONS SECTION3 OPERATION 3 1 MINIMUM PERFORMANCE REQUIREMENTS 3 1 1 SCALE ERROR 3 1 2 HYSTERESIS 3 1 3 AFTER EFFECT 3 1 4 FRICTION 3 1 5 CASE LEAK 3 1 6 POSITION ERROR 3 1 7 BAROMETRIC SCALE ERROR SECTION 4 CONFORMANCE 4 1 CONTINUED AIRWORTHINESS STATEMENT 4 2 ENVIRONMENTAL QUALIFICATION STATEMENT NUMBER LIST OF TABLES AND FIGURES 11 PHYSICAL ATTRIBUTES TABLE 1 2 QUALIFICATION TABLE 1 3 CONFIGURATION DATA 3 1 MD15 OUTLINE DRAWING 3 2 PANEL CUTOUT DIMENSIONS 3 3 MD15 REAR VIEW REV D July 14 2011 4 Manual Number 9017061 1 1 INTRODUCTION SECTION 1 GENERAL DESCRIPTION The model MD15 series two inch Altimeter is a pressure actuated sensitive altimeter built to meet or exceed SAE AS392C standards as per FAA TSO C10b Features include a three pointer indication 100 feet 1000 feet and 10 000 feet and an inset dial displaying the manual kn
7. d to each of the values as listed in Table 3 2 and cause the instrument to indicate the corresponding altitude within a tolerance of 25 feet REV D July 14 2011 9 Manual Number 9017061 Table 3 1 Scale Error and Friction Error REV D July 14 2011 Scale Error Friction Error Altitude Equivalent Pressure Tolerance Tolerance feet inches of mercury feet feet 1 000 31 018 20 0 29 921 20 Em 500 29 385 20 1 000 28 856 20 70 1 500 28 335 25 2 000 27 821 30 70 3 000 26 817 30 70 4 000 25 842 35 70 6 000 23 978 40 70 8 000 22 225 60 10 000 20 577 80 80 12 000 19 029 90 x 14 000 17 577 100 80 16 000 16 216 110 90 18 000 14 942 120 20 000 13 750 130 100 22 000 12 636 140 ex 25 000 11 104 155 120 30 000 8 885 180 140 35 000 7 041 205 160 no friction error reading required at this test point Table 3 2 Barometric Scale Error Barometric Scale Reading MB IN HG Indication feet 951 6 28 10 1 727 965 1 28 50 1 340 982 0 29 00 863 999 0 29 50 392 1013 2 29 92 0 1032 8 30 50 531 1046 4 30 90 893 1049 4 30 99 974 10 Manual Number 9017061 SECTION 4 CONFORMANCE 4 1 CONTINUED Al RWORTHINESS STATEMENT Federal regulations require that within the preceding 2 calendar years an active altimeter instrument be tested and found to comply with FAR Part 43 Appendix E If the unit fails to
8. eter Knob MD15 211 20 000 Millibars Right MD15 212 20 000 Millibars Left MD15 221 20 000 In Hg Right MD15 222 20 000 In Hg Left MD15 311 35 000 Millibars Right MD15 312 35 000 Millibars Left MD15 321 35 000 In Hg Right MD15 322 35 000 In Hg Left REV D July 14 2011 other versions or options may be available on request 5 Manual Number 9017061 SECTION 2 INSTALLATION PROCEDURE 2 1 GENERAL INFORMATION This section contains mounting dimensions and other information pertaining to the installation of the MD15 Altimeter 2 2 UNPACKI NG AND I NSPECTI NG EQUIPMENT When unpacking this equipment make a visual inspection for evidence of any damage that may have incurred during shipment The following parts should be included a Altimeter MCI P N MD15 b Installation Manual MCI P N 9017061 Optional equipment available a Light tray LED MCI P N MD31 4 6 28 14 5V b Light tray incandescent MCI P N 6015358 2 28V MCI P N 6015010 2 14V MCI P N 6018634 2 5V c Tinnerman nuts 3 MCI P N 6013031 Equipment not provided a Mounting Hardware three 3 6 32 screws 6 lock washers optional b Air fitting per aircraft mfg requirements 9 16 18 x 1 8 inch tube fitting available MCI P N NY 400 1 6ST 2 3 INSTALLATION Install the MD15 Altimeter within the aircraft in accordance with the aircraft manufacturer s instructions and the following steps A Ensure the available instrument panel cut
9. mbly Attimeter See Config 9017060 Nameplate Decal Warranty 1 1 6018956 1 Label Caution 9017169 This document discloses proprietary inf of Mid Continent Instrument Co It may be reproduced or disclosed only with writ permission of Mid Continent Instrumen ormation en MidContinent Co and is not to be used in any way detrimental to the INSTRUMENTS AVIONICS interests of Mid Continent Instrument Co TITLE PART NUMBER Indicator Altimeter 2 inch MD15 SCALE 2 3 DO NOT SCALE THIS DRAWING SHEET 1 of 1
10. ob adjustment for barometric pressure correction Internally a compensation mechanism maintains accuracy throughout the rated temperature range 1 2 TECHNICAL SPECIFICATIONS 1 2 1 PHYSICAL ATTRIBUTES Table 1 1 Characteristics Weight 0 8 pounds Dimensions See outline drawing Figure 3 1 Colors Dial background is black 37038 per FED STD 595 Markings are white 37875 per FED STD 595 Pointers are white with black hub and counterweight Case and bezel are black Cover Glass HEA anti reflective coated per MIL C 14806 Connection 9 16 18 UNJ F 3B per MS33649 06 Mounting Rear mount see panel cutout Figure 3 2 Lighting Field replaceable light tray available for 5 14 amp 28VDC input with incandescent bulbs or white LEDs 1 2 2 QUALIFI CATI ONS Specifications Table 1 2 Qualification FAA TSO C10b Environmental Qualification RTCA DO 160F Env Cat C1 CXXXXWXSFSXXXXXXXXXXXX Altitude Valid 1 000 ft to rated range see Section 1 3 Altitude Survivable 1 000 ft to 50 000 ft Operating Temperature 30 C to 50 C 22 F to 122 F Storage Temperature 65 C to 70 C 85 F to 158 F Humidity 95 70 C and 100 38 C Magnetic Effect no effect at 0 0m from unit DO 160F Section 15 Category Y 1 3 CONFI GURATI ON DATA Table 1 3 Part Number Range ft Barom
11. out meets the requirements of the indicator See Fig 3 2 B Secure the indicator to the instrument panel using the screw sizes called out in the Section 2 2 Length of screws will be determined by aircraft instrument panel thickness The aircraft manufacturer or the installation facility is responsible for supplying appropriate hardware C Connect static line tube to the pressure port on the back of the altimeter CAUTION INSTALL FITTING IN PORT WITH NO MORE THAN 100 I 85 OF TORQUE IF TORQUE 15 NOT SUFFICIENT TO MAINTAIN A SEAL THREAD SEALANT MUST BE USED D For units with light tray connect wires to the appropriate voltage as marked on the light tray 2 4 LIMITATIONS The conditions and tests for TSO approval of this article are minimum performance standards Those installing this article on or in a specific type or class of aircraft must determine that the aircraft installation conditions are within the TSO standards TSO articles must have separate approval for installation in an aircraft The article may be installed only according to 14 CFR part 43 or the applicable airworthiness requirements REV D July 14 2011 6 Manual Number 9017061 88 LM 5 5 Ney 0 125 3 777 x 0 610 e 1 252 Ne 1 232 92 2
12. ts shall not exceed the tolerances stated in Table 3 1 3 1 2 HYSTERESIS The hysteresis test requirement shall be verified within 15 minutes of reaching the upper limit of the Scale Error test as described in Section 3 1 1 Pressure shall be increased at a rate simulating a descent in altitude between 5 000 and 20 000 feet per minute until within 3 000 feet of half 5096 of the instrument s rated maximum operating altitude per 14 CFR Part 43 Appendix E Then the test point shall be approached at approximately 3 000 feet per minute Within 10 seconds after the pressure has been stabilized at the test point the instrument indication shall be within 100 ft of the original scale error reading The altimeter shall be kept at this pressure for at least 5 minutes but not more than 15 minutes before the reading is taken After the reading has been taken the pressure shall be further increased at the above rate until the pressure reaches a corresponding altitude of 4096 of the instrument s rated maximum operating altitude The instrument shall remain at this pressure for at least one minute but not more than 10 minutes before the test reading is taken After the reading has been taken the pressure shall be further increased at the above rate until atmospheric pressure is reached The reading of the instrument at either of the two test points shall not differ from the instrument reading taken at an equivalent altitude recorded during the Scale Error test
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