Part 21 Manual of Standards Instrument 2016
Sch 22ATSO-1C74c — Airborne ATC transponder equipment
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Schedule 22 ATSO-1C74c — Airborne ATC transponder equipment
(subsection 13.2 (1), table, item 2)
This Schedule applies to airborne ATC transponder equipment manufactured by an article manufacturer.
FAA TSO‑C74c means TSO‑C74c — Airborne ATC transponder equipment, as in force on 20 February 1973.
3 Minimum performance standards — FAA TSO-C74c
(1) The airborne ATC transponder equipment must meet the requirements mentioned in the FAA TSO-C74c, other than the requirements mentioned in paragraph (e) (Previously approved equipment) of FAA TSO-C74c.
(2) For subclause (1), a reference in FAA TSO-C74c to a term mentioned in column 1 of an item of the following table is taken to be a reference to the term mentioned in column 2 of the item.
<table cellspacing="0" cellpadding="0" style="margin-bottom:0pt; border-collapse:collapse"><thead><tr><td colspan="3" style="border-top:1.5pt solid #000000; border-right:0.75pt solid #000000; border-left:0.75pt solid #000000; border-bottom:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p style="margin-top:3pt; margin-bottom:3pt; page-break-after:avoid; line-height:normal; font-size:12pt"><span style="font-family:'Times New Roman', serif; font-weight:bold">Reference to terms in FAA TSO</span><span style="font-family:'Times New Roman', serif; font-weight:bold">‑</span><span style="font-family:'Times New Roman', serif; font-weight:bold">C74c</span></p></td></tr><tr><td style="border-top:0.75pt solid #000000; border-right:0.75pt solid #000000; border-left:0.75pt solid #000000; border-bottom:1.5pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:bottom"><p style="margin-top:3pt; margin-bottom:3pt; page-break-after:avoid; line-height:normal; font-size:12pt"><span style="font-family:'Times New Roman', serif; font-weight:bold">Item</span></p></td><td style="border-top:0.75pt solid #000000; border-right:0.75pt solid #000000; border-left:0.75pt solid #000000; border-bottom:1.5pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p style="margin-top:3pt; margin-bottom:3pt; page-break-after:avoid; line-height:normal; font-size:12pt"><span style="font-family:'Times New Roman', serif; font-weight:bold">Column</span><span style="font-family:'Times New Roman', serif; font-weight:bold"> </span><span style="font-family:'Times New Roman', serif; font-weight:bold">1</span></p><p style="margin-top:3pt; margin-bottom:3pt; page-break-after:avoid; line-height:normal; font-size:12pt"><span style="font-family:'Times New Roman', serif; font-weight:bold">Reference in FAA TSO</span><span style="font-family:'Times New Roman', serif; font-weight:bold">‑</span><span style="font-family:'Times New Roman', serif; font-weight:bold">C74c</span></p></td><td style="border-top:0.75pt solid #000000; border-right:0.75pt solid #000000; border-left:0.75pt solid #000000; border-bottom:1.5pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p style="margin-top:3pt; margin-bottom:3pt; page-break-after:avoid; line-height:normal; font-size:12pt"><span style="font-family:'Times New Roman', serif; font-weight:bold">Column</span><span style="font-family:'Times New Roman', serif; font-weight:bold"> </span><span style="font-family:'Times New Roman', serif; font-weight:bold">2</span></p><p style="margin-top:3pt; margin-bottom:3pt; page-break-after:avoid; line-height:normal; font-size:12pt"><span style="font-family:'Times New Roman', serif; font-weight:bold">Deemed reference</span></p></td></tr></thead><tbody><tr><td style="border-top:1.5pt solid #000000; border-right:0.75pt solid #000000; border-left:0.75pt solid #000000; border-bottom:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p style="margin-top:3pt; margin-bottom:3pt; line-height:normal; font-size:12pt"><span style="width:11pt; font-family:'Times New Roman', serif; display:inline-block"></span><span style="font-family:'Times New Roman', serif">1</span></p></td><td style="border-top:1.5pt solid #000000; border-right:0.75pt solid #000000; border-left:0.75pt solid #000000; border-bottom:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p class="Default" style="margin-top:3pt; margin-bottom:3pt"><span>RTCA Document No. DO</span><span>‑</span><span>138 entitled </span><span style="font-style:italic">Environmental Conditions and Test Procedures for Airborne Electronic/Electrical Equipment and Instruments</span><span>, dated June 27, 1968, must be used</span></p></td><td style="border-top:1.5pt solid #000000; border-right:0.75pt solid #000000; border-left:0.75pt solid #000000; border-bottom:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p style="margin-top:3pt; margin-bottom:3pt; line-height:normal; font-size:12pt"><span style="font-family:'Times New Roman', serif">RTCA Document No. DO-160D called </span><span style="font-family:'Times New Roman', serif; font-style:italic">Environmental Conditions and Test Procedures for Airborne Equipment</span><span style="font-family:'Times New Roman', serif">, or a later version of RTCA Document No.</span><span style="font-family:'Times New Roman', serif"> </span><span style="font-family:'Times New Roman', serif">DO-160, as existing from time to time, must be used</span></p></td></tr><tr><td style="border:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p style="margin-top:3pt; margin-bottom:3pt; line-height:normal; font-size:12pt"><span style="width:11pt; font-family:'Times New Roman', serif; display:inline-block"></span><span style="font-family:'Times New Roman', serif">2</span></p></td><td style="border:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p class="Default" style="margin-top:3pt; margin-bottom:3pt"><span>paragraphs 4.0, 5.0, 6.0, 7.0, and 9.0 of DO</span><span>‑</span><span>138</span></p></td><td style="border:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p style="margin-top:3pt; margin-bottom:3pt; line-height:normal; font-size:12pt"><span style="font-family:'Times New Roman', serif">sections</span><span style="font-family:'Times New Roman', serif"> </span><span style="font-family:'Times New Roman', serif">4, 6, 7, 8 and 16 of RTCA Document No. DO-160D called </span><span style="font-family:'Times New Roman', serif; font-style:italic">Environmental Conditions and Test Procedures for Airborne Equipment</span><span style="font-family:'Times New Roman', serif">, or a later version of RTCA Document No.</span><span style="font-family:'Times New Roman', serif"> </span><span style="font-family:'Times New Roman', serif">DO-160, as existing from time to time</span></p></td></tr><tr><td style="border:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p style="margin-top:3pt; margin-bottom:3pt; line-height:normal; font-size:12pt"><span style="width:11pt; font-family:'Times New Roman', serif; display:inline-block"></span><span style="font-family:'Times New Roman', serif">3</span></p></td><td style="border:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p class="Default" style="margin-top:3pt; margin-bottom:3pt"><span>§37.7</span></p></td><td style="border:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p style="margin-top:3pt; margin-bottom:3pt; line-height:normal; font-size:12pt"><span style="font-family:'Times New Roman', serif">paragraph 21.607</span><span style="font-family:'Times New Roman', serif"> </span><span style="font-family:'Times New Roman', serif">(1)</span><span style="font-family:'Times New Roman', serif"> </span><span style="font-family:'Times New Roman', serif">(c) of CASR</span></p></td></tr><tr><td style="border:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p style="margin-top:3pt; margin-bottom:3pt; line-height:normal; font-size:12pt"><span style="width:11pt; font-family:'Times New Roman', serif; display:inline-block"></span><span style="font-family:'Times New Roman', serif">4</span></p></td><td style="border:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p class="Default" style="margin-top:3pt; margin-bottom:3pt"><span>Appendix B of RTCA Document No.</span><span> </span><span>DO</span><span>‑</span><span>138</span></p></td><td style="border:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p style="margin-top:3pt; margin-bottom:3pt; line-height:normal; font-size:12pt"><span style="font-family:'Times New Roman', serif">Appendix A of RTCA Document No. DO-160D called </span><span style="font-family:'Times New Roman', serif; font-style:italic">Environmental Conditions and Test Procedures for Airborne Equipment</span><span style="font-family:'Times New Roman', serif">, or a later version of RTCA Document No.</span><span style="font-family:'Times New Roman', serif"> </span><span style="font-family:'Times New Roman', serif">DO</span><span style="font-family:'Times New Roman', serif">‑</span><span style="font-family:'Times New Roman', serif">160, as existing from time to time</span></p></td></tr><tr><td style="border:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p style="margin-top:3pt; margin-bottom:3pt; line-height:normal; font-size:12pt"><span style="width:11pt; font-family:'Times New Roman', serif; display:inline-block"></span><span style="font-family:'Times New Roman', serif">5</span></p></td><td style="border:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p class="Default" style="margin-top:3pt"><span>TSO number</span></p></td><td style="border:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p style="margin-top:3pt; margin-bottom:3pt; line-height:normal; font-size:12pt"><span style="font-family:'Times New Roman', serif">ATSO number</span></p></td></tr><tr><td style="border:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p style="margin-top:3pt; margin-bottom:3pt; line-height:normal; font-size:12pt"><span style="width:11pt; font-family:'Times New Roman', serif; display:inline-block"></span><span style="font-family:'Times New Roman', serif">6</span></p></td><td style="border:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p class="Default" style="margin-top:3pt"><span>§37.5</span></p></td><td style="border:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p style="margin-top:3pt; margin-bottom:3pt; line-height:normal; font-size:12pt"><span style="font-family:'Times New Roman', serif">regulation</span><span style="font-family:'Times New Roman', serif"> </span><span style="font-family:'Times New Roman', serif">21.605 of CASR</span></p></td></tr><tr><td style="border:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p style="margin-top:3pt; margin-bottom:3pt; line-height:normal; font-size:12pt"><span style="width:11pt; font-family:'Times New Roman', serif; display:inline-block"></span><span style="font-family:'Times New Roman', serif">7</span></p></td><td style="border:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p class="Default" style="margin-top:3pt; margin-bottom:3pt"><span>furnish to the Chief, Engineering and Manufacturing Branch, Flight Standards Division (or in case of the Western Region, the Chief, Aircraft Engineering Division), Federal Aviation Administration, in the region in which the manufacturer is located,</span></p></td><td style="border:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p style="margin-top:3pt; margin-bottom:3pt; line-height:normal; font-size:12pt"><span style="font-family:'Times New Roman', serif">give CASA</span></p></td></tr><tr><td style="border:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p style="margin-top:3pt; margin-bottom:3pt; line-height:normal; font-size:12pt"><span style="width:11pt; font-family:'Times New Roman', serif; display:inline-block"></span><span style="font-family:'Times New Roman', serif">8</span></p></td><td style="border:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p class="Default" style="margin-top:3pt"><span>Appendix</span><span> </span><span>A of RTCA Document No. DO</span><span>‑</span><span>138 entitled </span><span style="font-style:italic">Environmental Conditions and Test Procedures for Airborne Electric/Electrical Equipment and Instruments</span><span>, dated June 27, 1968</span></p></td><td style="border:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p style="margin-top:3pt; margin-bottom:3pt; line-height:normal; font-size:12pt"><span style="font-family:'Times New Roman', serif">section</span><span style="font-family:'Times New Roman', serif"> </span><span style="font-family:'Times New Roman', serif">21 of RTCA Document No.</span><span style="font-family:'Times New Roman', serif"> </span><span style="font-family:'Times New Roman', serif">DO</span><span style="font-family:'Times New Roman', serif">‑</span><span style="font-family:'Times New Roman', serif">160D called </span><span style="font-family:'Times New Roman', serif; font-style:italic">Environmental Conditions and Test Procedures for Airborne Equipment</span><span style="font-family:'Times New Roman', serif">, or a later version of RTCA Document No.</span><span style="font-family:'Times New Roman', serif"> </span><span style="font-family:'Times New Roman', serif">DO</span><span style="font-family:'Times New Roman', serif">‑</span><span style="font-family:'Times New Roman', serif">160, as existing from time to time</span></p></td></tr><tr><td style="border-top:0.75pt solid #000000; border-right:0.75pt solid #000000; border-left:0.75pt solid #000000; border-bottom:1.5pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p style="margin-top:3pt; margin-bottom:3pt; line-height:normal; font-size:12pt"><span style="width:11pt; font-family:'Times New Roman', serif; display:inline-block"></span><span style="font-family:'Times New Roman', serif">9</span></p></td><td style="border-top:0.75pt solid #000000; border-right:0.75pt solid #000000; border-left:0.75pt solid #000000; border-bottom:1.5pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p class="Default" style="margin-top:3pt"><span>set forth in RTCA Document No.</span><span> </span><span>DO</span><span>‑</span><span>138 entitled </span><span style="font-style:italic">Environmental Conditions and Test Procedures for Airborne Electronic/Electrical Equipment and Instruments</span><span>, dated June 27, 1968</span></p></td><td style="border-top:0.75pt solid #000000; border-right:0.75pt solid #000000; border-left:0.75pt solid #000000; border-bottom:1.5pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p style="margin-top:3pt; margin-bottom:3pt; line-height:normal; font-size:12pt"><span style="font-family:'Times New Roman', serif">mentioned in RTCA Document No.</span><span style="font-family:'Times New Roman', serif"> </span><span style="font-family:'Times New Roman', serif">DO</span><span style="font-family:'Times New Roman', serif">‑</span><span style="font-family:'Times New Roman', serif">160D called </span><span style="font-family:'Times New Roman', serif; font-style:italic">Environmental Conditions and Test Procedures for Airborne Equipment</span><span style="font-family:'Times New Roman', serif">, or a later version of RTCA Document No.</span><span style="font-family:'Times New Roman', serif"> </span><span style="font-family:'Times New Roman', serif">DO</span><span style="font-family:'Times New Roman', serif">‑</span><span style="font-family:'Times New Roman', serif">160, as existing from time to time</span></p></td></tr></tbody></table> ```