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ASTM F3408/F3408M-20

(Specification)

Standard Specification for Aircraft Emergency Parachute Recovery Systems

Standard Specification for Aircraft Emergency Parachute Recovery Systems

SCOPE
1.1 This specification covers minimum requirements for the design of emergency parachute recovery systems for aircraft. Airframe emergency parachute systems addressed in this specification refer to parachute systems designed, manufactured, and installed to recover the airframe and its occupants at a survivable rate of descent. This specification is not applicable to deepstall parachutes, spin recovery parachutes, drogue parachutes, or other airframe emergency aerodynamic decelerators not specifically intended for safely lowering the airframe and occupants to the ground. The specification is applicable to these types of parachutes if they are an integral part of an airframe emergency parachute system designed to recover the airframe and occupants at a survivable rate of descent. The material was developed through open consensus of international experts in general aviation. This information was created by focusing on Level 1, 2, 3, and 4 Normal Category aeroplanes. The content may be more broadly applicable; it is the responsibility of the Applicant to substantiate broader applicability as a specific means of compliance. The topics covered within this document are: strength requirements, parachute test method, activation system, deployment system, parachute attachment to the airframe, occupant protection, and system verification.  
1.2 An applicant intending to propose this information as Means of Compliance for a design approval must seek guidance from their respective oversight authority (for example, published guidance from applicable CAAs) concerning the acceptable use and application thereof. For information on which oversight authorities have accepted this specification (in whole or in part) as an acceptable Means of Compliance to their regulatory requirements (hereinafter the Rules), refer to the ASTM Committee F44 web page (www.astm.org/COMMITTEE/F44.htm).  
1.3 Airframe emergency parachute recovery systems have become an acceptable means of greatly reducing the likelihood of serious injury or death in an in-flight emergency. Even though they have saved hundreds of lives in many different types of conditions, inherent danger of failure, even if properly designed remains due to the countless permutations of random variables (attitude, altitude, accelerations, airspeed, weight, geographic location, etc.) that may exist at time of usage. The combination of these variables may negatively influence the lifesaving function of these airframe emergency parachute systems. They are designed to be a safety device and to be used at the discretion of the pilot when deemed to provide the best chance of survivability.  
1.4 Units—This document may present information in either SI units, English Engineering units, or both; the values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.  
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

General Information

Status
Historical
Publication Date
31-Jan-2020
ICS
49.020 - Aircraft and space vehicles in general
Technical Committee
F44 - General Aviation Aircraft
Drafting Committee
F44.30 - Structures
Current Stage
Ref Project

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ASTM F3408/F3408M-20 - Standard Specification for Aircraft Emergency Parachute Recovery SystemsASTM F3408/F3408M-20 - Standard Specification for Aircraft Emergency Parachute Recovery Systems
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ASTM F3408/F3408M-20 - Standard Specification for Aircraft Emergency Parachute Recovery Systems
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:F3408/F3408M −20
Standard Specification for
1
Aircraft Emergency Parachute Recovery Systems
ThisstandardisissuedunderthefixeddesignationF3408/F3408M;thenumberimmediatelyfollowingthedesignationindicatestheyear
of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.
A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope though they have saved hundreds of lives in many different
types of conditions, inherent danger of failure, even if properly
1.1 This specification covers minimum requirements for the
designed remains due to the countless permutations of random
design of emergency parachute recovery systems for aircraft.
variables (attitude, altitude, accelerations, airspeed, weight,
Airframe emergency parachute systems addressed in this
geographic location, etc.) that may exist at time of usage. The
specification refer to parachute systems designed,
combination of these variables may negatively influence the
manufactured, and installed to recover the airframe and its
lifesaving function of these airframe emergency parachute
occupants at a survivable rate of descent. This specification is
systems.Theyaredesignedtobeasafetydeviceandtobeused
not applicable to deepstall parachutes, spin recovery
at the discretion of the pilot when deemed to provide the best
parachutes, drogue parachutes, or other airframe emergency
chance of survivability.
aerodynamic decelerators not specifically intended for safely
lowering the airframe and occupants to the ground. The 1.4 Units—Thisdocumentmaypresentinformationineither
specification is applicable to these types of parachutes if they SI units, English Engineering units, or both; the values stated
are an integral part of an airframe emergency parachute system in each system are not necessarily exact equivalents; therefore,
designed to recover the airframe and occupants at a survivable to ensure conformance with the standard, each system shall be
rate of descent. The material was developed through open used independently of the other, and values from the two
consensus of international experts in general aviation. This systems shall not be combined.
information was created by focusing on Level 1, 2, 3, and 4
1.5 This standard does not purport to address all of the
Normal Category aeroplanes. The content may be more
safety concerns, if any, associated with its use. It is the
broadly applicable; it is the responsibility of the Applicant to
responsibility of the user of this standard to establish appro-
substantiate broader applicability as a specific means of com-
priate safety, health, and environmental practices and deter-
pliance. The topics covered within this document are: strength
mine the applicability of regulatory limitations prior to use.
requirements, parachute test method, activation system, de-
1.6 This international standard was developed in accor-
ployment system, parachute attachment to the airframe, occu-
dance with internationally recognized principles on standard-
pant protection, and system verification.
ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom-
1.2 An applicant intending to propose this information as
mendations issued by the World Trade Organization Technical
Means of Compliance for a design approval must seek guid-
Barriers to Trade (TBT) Committee.
ance from their respective oversight authority (for example,
published guidance from applicable CAAs) concerning the
2. Referenced Documents
acceptable use and application thereof. For information on
2
which oversight authorities have accepted this specification (in 2.1 ASTM Standards:
whole or in part) as an acceptable Means of Compliance to
F3060 Terminology for Aircraft
their regulatory requirements (hereinafter the Rules), refer to F3083/F3083M Specification for Emergency Conditions,
the ASTM Committee F44 web page (www.astm.org/
Occupant Safety and Accommodations
COMMITTEE/F44.htm). F3114 Specification for Structures
2.2 Other Standards:
1.3 Airframe emergency parachute recovery systems have
FAA PART 23-Amdt 64 A Performance-Based Approach to
become an acceptable means of greatly reducing the likelihood
3
Type Certification of Small Airplanes
of serious injury or death in an in-flight emergency. Even
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
1
ThisspecificationisunderthejurisdictionofASTMCommitteeF44onGeneral contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Aviation Aircraft and is the direct responsibility of Subcommittee F44.30 on Standards volume information, refer to the standards Document Summary page on
Structures. the ASTM website.
3
Current edition approved Feb. 1, 2020. Published Febru
...

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