Commonwealth legislation

AD/S-62/12 - Main Rotor Blades

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Commonwealth

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legislative instrument

Plain English Summary

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This directive requires operators of Sikorsky S‑62A helicopters to retire specified main rotor blade part numbers at set flight‑hour limits to address risk of spar fatigue cracking. It also permits certain blades that have been modified and are maintained under Sikorsky Service Bulletin 62B10‑6H (or a later FAA‑approved revision) or Maintenance Manual Chapter 39 to remain in service up to 6,000 flight hours. It matters because it forces blade removals or upgrades and ongoing inspections to reduce in‑flight failure risk.

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Current sections

Direct links to the current provisions in AD/S-62/12 - Main Rotor Blades.

Sikorsky S-62 Series Helicopters

AD/S-62/12	Main Rotor Blades	4/2005

Applicability:	Model S-62A helicopters.
Requirement:	1. Retire part number S14-10-2100 series main rotor blades from service.2. Retire part number S14-10-2201 series main rotor blades from service.3. The service life limits may be extended to 6,000 total flight hours for main rotor blades part number S14-10-2201-9, and part numbers S14-10-2100 and S14-10-2201 series blades modified to S14-10-2201-9 blades, provided the blades are modified, operated, maintained, inspected, and retired in accordance with the requirements of Sikorsky Service Bulletin (SB) 62B10-6H, or a later FAA approved revision, or in accordance with the Maintenance Manual Chapter 39.Note: FAA AD 66-04-03 Amdt 39-194 refers.
Compliance:	1. Upon the accumulation of 2,250 total flight hours.2. Upon the accumulation of 2,250 total flight hours.3. As specified in SB 62B10-6H or a later FAA approved revision, or the Maintenance Manual Chapter 39.
	This Airworthiness Directive becomes effective on 14 April 2005.
Background:	The FAA requires certain actions to prevent operation with fatigue cracks in the spar of a main rotor blade.

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David Villiers
Delegate of the Civil Aviation Safety Authority

2 March 2005

AD/S-62/12

Main Rotor Blades

4/2005

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.

Sikorsky S-62 Series Helicopters Sikorsky S-62 Series Helicopters

Sikorsky S-62 Series Helicopters

AD/S-62/12	Main Rotor Blades	4/2005

Applicability:	Model S-62A helicopters.
Requirement:	1. Retire part number S14-10-2100 series main rotor blades from service.2. Retire part number S14-10-2201 series main rotor blades from service.3. The service life limits may be extended to 6,000 total flight hours for main rotor blades part number S14-10-2201-9, and part numbers S14-10-2100 and S14-10-2201 series blades modified to S14-10-2201-9 blades, provided the blades are modified, operated, maintained, inspected, and retired in accordance with the requirements of Sikorsky Service Bulletin (SB) 62B10-6H, or a later FAA approved revision, or in accordance with the Maintenance Manual Chapter 39.Note: FAA AD 66-04-03 Amdt 39-194 refers.
Compliance:	1. Upon the accumulation of 2,250 total flight hours.2. Upon the accumulation of 2,250 total flight hours.3. As specified in SB 62B10-6H or a later FAA approved revision, or the Maintenance Manual Chapter 39.
	This Airworthiness Directive becomes effective on 14 April 2005.
Background:	The FAA requires certain actions to prevent operation with fatigue cracks in the spar of a main rotor blade.

AD/S-62/12 - Main Rotor Blades

Plain English Summary

Deep dive

Current sections

Sikorsky S-62 Series Helicopters

Sikorsky S-62 Series Helicopters

AD/S-62/12

AD/S-62/12

Main Rotor Blades

Main Rotor Blades

4/2005

4/2005

Source text

Sikorsky S-62 Series Helicopters Sikorsky S-62 Series Helicopters

Sikorsky S-62 Series Helicopters

AD/S-62/12 AD/S-62/12

AD/S-62/12

Main Rotor Blades Main Rotor Blades

Main Rotor Blades

4/2005 4/2005

4/2005