AD 77-16-10
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Mitchell Industries, Inc. | Navigation Systems | Airworthiness Directives; EDO-AIRE MITCHELL: Applies to Model NSD-360 Navigation Systems |
| appliance | Mitchell Industries, Inc. | Navigation Systems | Airworthiness Directives; EDO-AIRE MITCHELL: Applies to Model NSD-360 Navigation Systems |
Unsafe Condition
The use of VOR/LOC converters other than the Edo-Aire Mitchell 1C707 and 1C707-1 converters with the NSD-360 Navigation Systems may result in an unreliable primary VOR display for IFR navigation, compromising navigation accuracy and safety.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install a placard stating 'NSD-360 NOT APPROVED AS PRIMARY VOR DISPLAY FOR IFR NAVIGATION PRIOR TO COMPLIANCE WITH EAM MB-13' near the affected navigation situation display. The placard must be replaced with EAM placard P/N 13A895 and install EAM NAV Flag Adapter P/N 1C775 as per Service Bulletin MB-13 within 50 hours in service.
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Compliance Time
within the next 50 hours in service after the effective date of this AD
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Affected Aircraft
EDO-AIRE MITCHELL Model NSD-360 Navigation Systems with Navigation Situation Display instruments 52D136-0020, 52D136-0120, 52D136-0220, 52D136-1020, 52D136-1120, 52D136-1220, 52D137-1020, 52D137-1120, or 52D137-1220 when used with non-compliant VOR/LOC converters.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Navigation Systems
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_77-16-10.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 77-16-10 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; EDO-AIRE MITCHELL: Applies to Model NSD-360 Navigation Systems Subject: Navigation Systems Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/08/1977 Make: Mitchell Industries, Inc. Model: Navigation Systems Product Type: Appliance Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 77-16-10 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3002 AD NUMBER: 77-16-10 SUBJECT HEADING: Airworthiness Directives; EDO-AIRE MITCHELL: Applies to Model NSD-360 Navigation Systems ACTION: SUMMARY: DATES: Effective September 8, 1977. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 77-16-10 EDO-AIRE MITCHELL: Amendment 39-3002. Applies to Model NSD-360 Navigation Systems containing any of the following Navigation Situation Display instruments: 52D136-0020, 52D136-0120, 52D136-0220, 52D136-1020, 52D136-1120, 52D136-1220, 52D137-1020, 52D137-1120, and 52D137-1220, when used with VOR/LOC converters other than the Edo-Aire Mitchell 1C707 and 1C707-1 converters. Compliance with (a) or (c) is required within the next 50 hours in service after the effective date of this AD, unless already accomplished. (a) Install a placard stating "NSD-360 NOT APPROVED AS PRIMARY VOR DISPLAY FOR IFR NAVIGATION PRIOR TO COMPLIANCE WITH EAM MB-13." (b) The placard described in subparagraph (a) is to be installed as close as practical to the affected navigation situation display and remain there until EAM NAV Flag Adapter P/N 1C775 is installed as in (c) below, at which time the placard is to be removed. EAM placard, P/N 13A895 specified by EAM Service Bulletin MB-13, is to be used to comply with (a). (c) Install EAM NAV Flag Adapter, P/N 1C775, in accordance with installation instruction items 1 through 5, pages 2 and 3 of EAM Service Bulletin MB-13 revised May 3, 1977. (d) The manufacturer's instructions identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(l). All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to the Director, Products and Service, Edo-Aire Mitchell, P.O. Box 610, Municipal Airport, Mineral Wells, Texas 76067, Telephone No. 817-325-2517. These documents may also be examined at the Office of the Regional Counsel, Southwest Region, FAA, 4400 Blue Mound Road, Fort Worth, Texas, and at FAA Headquarters, 800 Independence Avenue, S.W., Washington, D.C. A historical file on this AD which includes the incorporated material in full is maintained by the FAA at its headquarters in Washington, D.C., and at the Southwest Regional Office in Fort Worth, Texas. This amendment becomes effective September 8, 1977. FOOTER:
Document Text
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AD Final Rules - DRS_77-16-10.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 77-16-10 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; EDO-AIRE MITCHELL: Applies to Model NSD-360 Navigation Systems Subject: Navigation Systems Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/08/1977 Make: Mitchell Industries, Inc. Model: Navigation Systems Product Type: Appliance Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 77-16-10 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3002 AD NUMBER: 77-16-10 SUBJECT HEADING: Airworthiness Directives; EDO-AIRE MITCHELL: Applies to Model NSD-360 Navigation Systems ACTION: SUMMARY: DATES: Effective September 8, 1977. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 77-16-10 EDO-AIRE MITCHELL: Amendment 39-3002. Applies to Model NSD-360 Navigation Systems containing any of the following Navigation Situation Display instruments: 52D136-0020, 52D136-0120, 52D136-0220, 52D136-1020, 52D136-1120, 52D136-1220, 52D137-1020, 52D137-1120, and 52D137-1220, when used with VOR/LOC converters other than the Edo-Aire Mitchell 1C707 and 1C707-1 converters. Compliance with (a) or (c) is required within the next 50 hours in service after the effective date of this AD, unless already accomplished. (a) Install a placard stating "NSD-360 NOT APPROVED AS PRIMARY VOR DISPLAY FOR IFR NAVIGATION PRIOR TO COMPLIANCE WITH EAM MB-13." (b) The placard described in subparagraph (a) is to be installed as close as practical to the affected navigation situation display and remain there until EAM NAV Flag Adapter P/N 1C775 is installed as in (c) below, at which time the placard is to be removed. EAM placard, P/N 13A895 specified by EAM Service Bulletin MB-13, is to be used to comply with (a). (c) Install EAM NAV Flag Adapter, P/N 1C775, in accordance with installation instruction items 1 through 5, pages 2 and 3 of EAM Service Bulletin MB-13 revised May 3, 1977. (d) The manufacturer's instructions identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(l). All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to the Director, Products and Service, Edo-Aire Mitchell, P.O. Box 610, Municipal Airport, Mineral Wells, Texas 76067, Telephone No. 817-325-2517. These documents may also be examined at the Office of the Regional Counsel, Southwest Region, FAA, 4400 Blue Mound Road, Fort Worth, Texas, and at FAA Headquarters, 800 Independence Avenue, S.W., Washington, D.C. A historical file on this AD which includes the incorporated material in full is maintained by the FAA at its headquarters in Washington, D.C., and at the Southwest Regional Office in Fort Worth, Texas. This amendment becomes effective September 8, 1977. FOOTER:
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