AD 49-34-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Kelowna Flightcraft R & D Ltd. | 240 Series | CONVAIR Model 240 Airplanes |
Unsafe Condition
Inadvertent reversal of the propellers occurred in flight during approach for landing.
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Required Actions
Add an item to the 'before landing' cockpit checklist requiring inspection of reverse throttle stop override handles to ensure they are in the retracted 'in' position.
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Compliance Time
August 29, 1949
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Affected Aircraft
CONVAIR Model 240 Airplanes incorporating activated reversing propellers.
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Federal Register Abstract
Cockpit Checklist
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_49-34-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 49-34-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: CONVAIR Model 240 Airplanes Subject: Cockpit Checklist Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Kelowna Flightcraft R & D Ltd. Model: 240 Series Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 49-34-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 49-34-01 SUBJECT HEADING: CONVAIR Model 240 Airplanes ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 49-34-01 CONVAIR: Applies to All Model 240 Airplanes Incorporating Activated Reversing Propellers. Compliance required as soon as possible but in any event not later than August 29, 1949. Two cases have been experienced in which inadvertent reversal of the propellers occurred in flight during approach for landing. To minimize the possibility of inadvertent reversal, an item shall be added to the "before landing" cockpit checklist requiring that the reverse throttle stop override handles be checked to assure that they are in the retracted "in" position. FOOTER:
Document Text
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AD Final Rules - DRS_49-34-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 49-34-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: CONVAIR Model 240 Airplanes Subject: Cockpit Checklist Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Kelowna Flightcraft R & D Ltd. Model: 240 Series Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 49-34-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 49-34-01 SUBJECT HEADING: CONVAIR Model 240 Airplanes ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 49-34-01 CONVAIR: Applies to All Model 240 Airplanes Incorporating Activated Reversing Propellers. Compliance required as soon as possible but in any event not later than August 29, 1949. Two cases have been experienced in which inadvertent reversal of the propellers occurred in flight during approach for landing. To minimize the possibility of inadvertent reversal, an item shall be added to the "before landing" cockpit checklist requiring that the reverse throttle stop override handles be checked to assure that they are in the retracted "in" position. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.
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