AD 73-07-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Garrett | Emergency Locator Transmitter | Airworthiness Directives; GARRETT: Applies to all Garrett Model Rescu/88 Emergency Locator Transmitters |
| appliance | Garrett | Emergency Locator Transmitter | Airworthiness Directives; GARRETT: Applies to all Garrett Model Rescu/88 Emergency Locator Transmitters |
Unsafe Condition
Inadvertent activation of the Emergency Locator Transmitter may interfere with the aircraft's navigation and communication systems.
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Required Actions
Install a placard stating 'VOR indications may be affected when the VHF radio is keyed' before further flight. Within 250 hours' aircraft time in service after March 29, 1973, remove affected Garrett Model Rescu/88 Emergency Locator Transmitters and replace with specified part numbers or TSO-approved equivalents.
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Compliance Time
Before further flight and within 250 hours' aircraft time in service after the effective date of this A.D.
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Affected Aircraft
Garrett Model Rescu/88 Emergency Locator Transmitters with Part No. 627484-1 (Series 1, Series 2, Series 1 with 'M' or 'M1', Series 2 with 'M1'), Part No. 627484-3 (Series 1, Series 2), and Part No. 627484-5 (Series 1, Series 2).
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Federal Register Abstract
Emergency Locator Transmitters
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_73-07-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 73-07-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; GARRETT: Applies to all Garrett Model Rescu/88 Emergency Locator Transmitters Subject: Emergency Locator Transmitters Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 03/29/1973 Make: Garrett Model: Emergency Locator Transmitter Product Type: Appliance Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 73-07-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1610 AD NUMBER: 73-07-02 SUBJECT HEADING: Airworthiness Directives; GARRETT: Applies to all Garrett Model Rescu/88 Emergency Locator Transmitters ACTION: SUMMARY: DATES: Effective March 29, 1973. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 73-07-02 GARRETT: Amdt. 39-1610. Applies to all Garrett Model Rescu/88 Emergency Locator Transmitters Part No. 627484-1 Series 1, Series 2, Series 1 with the letter "M" after the serial number, Series 1 and Series 2 with the designation "M1" after the serial number; Part No.627484-3 Series 1, Series 2; Part No. 627484-5 Series 1, Series 2. Compliance required as indicated: To prevent hazards with inadvertent activation of the Emergency Locator Transmitter interfering with the aircraft's navigation and communication, accomplish the following: (a) Before further flight, install on all aircraft incorporating an applicable Garrett Model Rescu/88 Emergency Locator Transmitter, a placard in full view of the pilot which reads: "VOR indications may be affected when the VHF radio is keyed". The placard may be removed when (b) has been accomplished. (b) Within the next 250 hours' aircraft time in service after the effective date of this A.D., remove all affected Garrett Model Rescu/88 Emergency Locator Transmitters from all aircraft so equipped. Replace with Garrett Rescu/88 part number in accordance with the following table or replace with another TSO-approved unit or an equivalent unit approved by Chief, Engineering and Manufacturing Branch, Eastern Region. Garrett Rescu/88 Part No. Replace with Garrett P/N 627484-1 Series 1 627484-1 Series 3 or Series 21 627484-1 Series 2 627484-1 Series 1 with the letter "M" after the serial number 627484-1 Series 1 with the designation "M1" after the serial number 627484-1 Series 2 with the designation "M1" after the serial number 627484-3 Series 1 or Series 2 627484-3 Series 3 or Series 21 627484-5 Series 1 or Series 2 627484-5 Series 3 or Series 21 (NOTE: For Piper aircraft see Piper Service Letter 617A which covers this same subject.) This AD Amendment 39-1610 revokes AD 72-22-03. This amendment is effective March 29, 1973. FOOTER:
Document Text
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AD Final Rules - DRS_73-07-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 73-07-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; GARRETT: Applies to all Garrett Model Rescu/88 Emergency Locator Transmitters Subject: Emergency Locator Transmitters Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 03/29/1973 Make: Garrett Model: Emergency Locator Transmitter 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: 73-07-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1610 AD NUMBER: 73-07-02 SUBJECT HEADING: Airworthiness Directives; GARRETT: Applies to all Garrett Model Rescu/88 Emergency Locator Transmitters ACTION: SUMMARY: DATES: Effective March 29, 1973. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 73-07-02 GARRETT: Amdt. 39-1610. Applies to all Garrett Model Rescu/88 Emergency Locator Transmitters Part No. 627484-1 Series 1, Series 2, Series 1 with the letter "M" after the serial number, Series 1 and Series 2 with the designation "M1" after the serial number; Part No.627484-3 Series 1, Series 2; Part No. 627484-5 Series 1, Series 2. Compliance required as indicated: To prevent hazards with inadvertent activation of the Emergency Locator Transmitter interfering with the aircraft's navigation and communication, accomplish the following: (a) Before further flight, install on all aircraft incorporating an applicable Garrett Model Rescu/88 Emergency Locator Transmitter, a placard in full view of the pilot which reads: "VOR indications may be affected when the VHF radio is keyed". The placard may be removed when (b) has been accomplished. (b) Within the next 250 hours' aircraft time in service after the effective date of this A.D., remove all affected Garrett Model Rescu/88 Emergency Locator Transmitters from all aircraft so equipped. Replace with Garrett Rescu/88 part number in accordance with the following table or replace with another TSO-approved unit or an equivalent unit approved by Chief, Engineering and Manufacturing Branch, Eastern Region. Garrett Rescu/88 Part No. Replace with Garrett P/N 627484-1 Series 1 627484-1 Series 3 or Series 21 627484-1 Series 2 627484-1 Series 1 with the letter "M" after the serial number 627484-1 Series 1 with the designation "M1" after the serial number 627484-1 Series 2 with the designation "M1" after the serial number 627484-3 Series 1 or Series 2 627484-3 Series 3 or Series 21 627484-5 Series 1 or Series 2 627484-5 Series 3 or Series 21 (NOTE: For Piper aircraft see Piper Service Letter 617A which covers this same subject.) This AD Amendment 39-1610 revokes AD 72-22-03. This amendment is effective March 29, 1973. FOOTER:
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Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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