SCHEDULE OF AIRWORTHINESS DIRECTIVES
Mooney M20J 201 · Airworthiness Directives
Overview
This document is an Airworthiness Directive (AD) issued by the Civil Aviation Safety Authority (CASA) of Australia, specifically addressing the Garmin GNS 430 Comm/Nav/GPS unit. The directive outlines necessary modifications to prevent inaccurate course deviation displays that could lead to unsafe flight conditions. It applies to specific serial numbers of the GNS 430 units, which are known to be installed in various aircraft, including the Mooney M20J. The directive mandates compliance within specified timeframes to ensure the safety and airworthiness of affected aircraft.
- The directive applies to specific Garmin GNS 430 units with serial numbers listed in the document.
- Modification is required to prevent inaccurate course deviation displays due to external electrical noise.
- Compliance is required within six months of the directive's effective date, which is 21 February 2002.
- Affected units may not be installed on any aircraft unless modified as per the directive.
- The directive is a response to safety concerns raised by the FAA regarding the GNS 430 unit's performance.
Document
Source
Originally published by services.casa.gov.au. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type
- Airworthiness Directives
- Year
- 2002
- Pages
- 3
- File size
- 20 KB
- Publisher
- services.casa.gov.au
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In this document
Applicability
The directive applies to Garmin GNS 430 Comm/Nav/GPS units with specific part numbers and serial numbers. It includes a comprehensive list of serial numbers that are affected, ensuring that operators can identify whether their equipment is subject to this directive.
Requirement
The directive requires the modification of the GNS 430 units to correct the deviation and flag output circuitry as per Garmin Service Bulletin No 9905, Revision A. This modification is crucial to prevent external electrical noise from causing inaccurate course deviation displays.
Compliance
Operators must comply with the directive within six months after its effective date for the modification requirement. The directive becomes effective on 21 February 2002, and units may not be installed on any aircraft unless modified.
Background
The directive was issued following reports from the FAA regarding inaccurate course deviations in the GNS 430 units due to external electrical noise. This issue could lead to unsafe flight conditions, prompting the need for immediate corrective action.
Safety notes
- Inaccurate course deviation displays can lead to unsafe flight conditions.
- Modification is necessary to ensure the reliability of navigation equipment.
Full document text
COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Page 1 of 3 AIRWORTHINESS DIRECTIVE For the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CAR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section. Radio Communication and Navigation Equipment AD/RAD/74 Garmin GNS 430 2/2002 Applicability: Garmin International GNS 430 Comm/Nav/GPS unit Part Number 011-00280-00 with the following Serial Numbers: 96300001, 96300002, 96300017, 96300028, 96300034, 96300040, 96300068, 96300104, 96300108, 96300122, 96300125, 96300130, 96300142, 96300149, 96300161, 96300165, 96300218, 96300222, 96300232, 96300269, 96300272, 96300308, 96300333, 96300340, 96300348, 96300354, 96300369, 96300372, 96300382, 96300394, 96300411, 96300413, 96300429, 96300437, 96300451, 96300484, 96300485, 96300489, 96300504, 96300506, 96300513, 96300522, 96300549, 96300563, 96300585, 96300587, 96300618, 96300621, 96300624, 96300628, 96300641, 96300653, 96300664, 96300713, 96300734, 96300756, 96300766, 96300781, 96300785, 96300786, 96300808, 96300831, 96300837, 96300842, 96300846, 96300866, 96300870, 96300872, 96300899, 96300916, 96300923, 96300925, 96300929, 96300941, 96300961, 96300984, 96300987, 96301021, 96301108, 96301130, 96301280, and 96301296 through 96303200 Note 1: These GNS 430 units are known to be installed in, but not limited to, the following aeroplanes: Manufacturer Model Cessna Aircraft Company 172, 182, 206, 208, 210, 401, 402, 404, 406, 411, 414, 414A, 421A, 421B, 421C, 425, 441, 500, 550, S550, 552, 560, 560XL, 501, 525, and 551. Mooney Aircraft M20, M20A, M20B, M20C, M20D, M20E, M20F, M20G, M20J, M20K, M20L, M20M, M20R, M20S, and M22. Raytheon Aircraft Company Beech Models E33, F33, G33, E33A, F33A, E33C, F33C, 35, 35R, A35, B35, B35TC, C35, D35, E35, F35, G35, H35, J35, K35, M35, N35, P35, S35, V35, V35TC, V35A, V35A-TC, V35B, V35B-TC, 36, A36, A36TC, 50, B50, C50, D50, D50A, D50B, D50C, D50E, E50, F50, G50, H50, J50, 60, A60, B60, 65-90, 65-A90, B90, C90, C90A, C90B, E90, F90, 100, A100, B100, 95-55, 95-A55, 95-B55, 95-C55, D-55, E55, 58, 58P, and 58TC. COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Page 2 of 3 Radio Communication and Navigation Equipment AD/RAD/74 (continued) Socata TBM 700 The New Piper Aircraft Inc J3C-40, J3C-50, J3C-50S (Army L-4, L-4B, L- 4H, and L-4J), J3C-65 (Navy NE-1 and NE-2), J3C-65S, J3F-50, J3F-50S, J3F-60, J3F-60S, J3F-65 (Army L-4D), J3F-65S, J3L, J3L-S, J3L-65 (Army L-4C), J3L-65S, J4, J4A, J4A-S, J4E (Army L-4E), J5A (Army L-4F), J5A-80, J5B (Army L-4G), J5C, AE-1, HE-1, PA-11, PA-11S, PA-12, PA-12S, PA-14, PA-15, PA-16, PA-16S, PA-17, PA-18, PA-18A, PA-18A (Restricted), PA-18S, PA-18-"105'' (Special), PA-18S-"105'' (Special), PA-18-"125'' (Army L- 21A), PA-18AS-"125'', PA-18S-"125'', PA-18- "135'' (Army L-21B), PA-18A-"135'', PA-18A- "135'' (Restricted), PA-18AS-"135'', PA-18S- "135'', PA-18-"150'', PA-18A-"150'', PA-18A- "150'' (Restricted), PA-18AS-"150'', PA-18S- "150'', PA-19 (Army L-18C), PA-19S, PA- 20, P-20S, PA-20-"115'', PA-20S-"115'', PA-20- "135'', PA-20S-"135'', PA-22, PA-22-108, PA- 22-135, PA-22S-135, PA-22-150, PA-22S-150, PA-22-160, PA-22S-160, PA-24, PA-24-250, PA-24-260, PA-24-400, PA-25, PA-25-235, PA- 25-260, PA-28-140, PA-28-150, PA-28-151, PA-28-160, PA-28-161, PA-28-180, PA-28-235, PA-28S-160, PA-28R-180, PA-28S-180, PA-28- 181, PA-28R-200, PA-28R-201, PA-28R-201T, PA-28RT-201, PA-28RT-201T, PA-28-201T, PA28-236, PA-32R-301 (SP), PA-32R-301 (HP), PA-32R-301T, PA-32-301, PA-32-301T, PA-36-285, PA-36-300, PA-36-375, PA-38-112, PA-46-310P and PA-46-350P. Requirement: 1. Modify the deviation and flag output circuitry in accordance with the Modification Instructions section of Garmin Service Bulletin No 9905, Revision A, dated 17 September 1999. 2. GNS 430 units, with the serial numbers listed in the Applicability Statement, may not be installed on any aeroplane unless modified in accordance with Requirement 1. Note 2: FAA AD 2001-23-17 Amdt 39-12516 refers. Compliance: For Requirement 1 - Within six months after the effective date of this Directive. COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Page 3 of 3 Radio Communication and Navigation Equipment AD/RAD/74 (continued) For Requirement 2 - As of the effective date of this Directive. This Airworthiness Directive becomes effective on 21 February 2002. Background: The United States Federal Aviation Administration has received reports of inaccurate course deviations caused by external electrical noise to the GNS 430 unit's course deviation indicator (CDI). Such displays could result in the pilot making decisions that put the aircraft in unsafe flight conditions. This Directive requires the modification of the unit to incorporate circuitry changes to the GNS 430 unit's deviation and flag outputs to prevent external noise from causing inaccurate course deviation displays in the GNS 430 unit's CDI or horizontal situation indicator (HSI). Eugene Paul Holzapfel Delegate of the Civil Aviation Safety Authority 14 January 2002 The above AD is notified in the Commonwealth of Australia Gazette on 30 January 2002.