AD 74-19-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Orlando Helicopter Airways, Inc. | HRS-1/CH-19 | Airworthiness Directives; Sikorsky Model HRS/H-19 Series Helicopters |
| aircraft | Orlando Helicopter Airways, Inc. | HRS-3/H-19B | Airworthiness Directives; Sikorsky Model HRS/H-19 Series Helicopters |
Unsafe Condition
Applicability to All HRS/H19 Series
Required Actions
Compliance with Airworthiness Directives 54-1-3, 54-13-1, 54-16-1, 54-19-2, 54-20-2, 55-25-4, 56-16-3, 56-23-3, 60-13-4, 63-5-2, 66-4-3, 67-17-6, 67-29-7, and 71-26-3 is required. The effective dates of these ADs are set to September 10, 1974.
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Compliance Time
Effective September 10, 1974
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Affected Aircraft
Orlando Helicopter Airways, Inc. Model HRS-1/CH-19 and HRS-3/H-19B helicopters certificated in all categories.
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Federal Register Abstract
Applicability to All HRS/H19 Series
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_74-19-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 74-19-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Sikorsky Model HRS/H-19 Series Helicopters Subject: Applicability to All HRS/H19 Series Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/10/1974 Make: Orlando Helicopter Airways, Inc. Model: HRS-1/CH-19 | HRS-3/H-19B Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 74-19-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1953 AD NUMBER: 74-19-04 SUBJECT HEADING: Airworthiness Directives; Sikorsky Model HRS/H-19 Series Helicopters ACTION: SUMMARY: DATES: Effective September 10, 1974. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 74-19-04 SIKORSKY: Amendment 39-1953. Applies to all HRS/H-19 Series Helicopters certificated in all categories. Compliance with each of the following Airworthiness Directives for the Sikorsky S-55 Series Helicopters is required, except that the effective date of each will be the effective date of this Airworthiness Directive: 54-1-3, 54-13-1, 54-16-1, 54-19-2, 54-20-2, 55-25-4, 56-16-3, 56- 23-3, 60-13-4, 63-5-2 (AD 63-5-2 extended service life to 1200 hours when operating in the Restricted Category and over sparsely populated areas), 65-8-2, 66-4-3 (AD 66-4-3 extended service life to 3500 hours, when operating in the Restricted Category and over sparsely populated areas), 67-17-6, 67-29-7 and 71-26-3. This amendment becomes effective September 10, 1974. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_74-19-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 74-19-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Sikorsky Model HRS/H-19 Series Helicopters Subject: Applicability to All HRS/H19 Series Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/10/1974 Make: Orlando Helicopter Airways, Inc. Model: HRS-1/CH-19 | HRS-3/H-19B Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 74-19-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1953 AD NUMBER: 74-19-04 SUBJECT HEADING: Airworthiness Directives; Sikorsky Model HRS/H-19 Series Helicopters ACTION: SUMMARY: DATES: Effective September 10, 1974. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 74-19-04 SIKORSKY: Amendment 39-1953. Applies to all HRS/H-19 Series Helicopters certificated in all categories. Compliance with each of the following Airworthiness Directives for the Sikorsky S-55 Series Helicopters is required, except that the effective date of each will be the effective date of this Airworthiness Directive: 54-1-3, 54-13-1, 54-16-1, 54-19-2, 54-20-2, 55-25-4, 56-16-3, 56- 23-3, 60-13-4, 63-5-2 (AD 63-5-2 extended service life to 1200 hours when operating in the Restricted Category and over sparsely populated areas), 65-8-2, 66-4-3 (AD 66-4-3 extended service life to 3500 hours, when operating in the Restricted Category and over sparsely populated areas), 67-17-6, 67-29-7 and 71-26-3. This amendment becomes effective September 10, 1974. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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Related Airworthiness Directives
66-04-03
final ruleAirworthiness Directives; Sikorsky Models S-55 Series and S-62A Helicopters
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75-04-02
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70-09-05
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67-29-07
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Unsafe Condition: Fatigue failure of the azimuth control rod assembly, P/N S1440-2105-1.