ASTM F2427-05a(2018)

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.
Designation: F2427 −05a (Reapproved 2018)
Standard Specification for
Required Product Information to be Provided with Lighter-
Than-Air Light Sport Aircraft
This standard is issued under the fixed designation F2427; the number immediately following the designation indicates the year 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 collapse due to dynamic pressure and exempt from specific
pressurized envelope requirements.
1.1 This specification covers the manufacture of lighter-
2.1.6 vectored thrust balloon—thermal balloon with thrust
than-air light sport aircraft.
capabilitythatdoesnothavedesignfeaturestopreventforward
1.1.1 This specification covers the minimum requirements
envelope collapse due to dynamic pressure and is therefore
for information that shall be provided by the manufacturer or
limited in its lateral speed capability.
seller of new lighter-than-air aircraft as a part of the initial sale
or transfer to the first end user.
3. Information Requirements
1.2 This standard does not purport to address all of the
3.1 The manufacturer shall provide critical information for
safety concerns, if any, associated with its use. It is the
each aircraft. This information shall include, but not be limited
responsibility of the user of this standard to establish appro-
to, the information plate attached to the aircraft, the placard
priate safety, health, and environmental practices and to
notice, Aircraft Operating Instructions, the maintenance
determine the applicability of regulatory limitations prior to
manual, and the manufacturers statement of compliance, as
use.
defined in the following paragraphs. Additional aircraft type
1.3 This international standard was developed in accor-
specific requirements are provided in the annexes.
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the
3.2 Information Plate—A manufacturer-issued stainless
Development of International Standards, Guides and Recom-
steel information plate, printed in English, shall be perma-
mendations issued by the World Trade Organization Technical
nently affixed to the aircraft in a visible location and shall be
Barriers to Trade (TBT) Committee.
designed to remain legible for the expected life of the aircraft.
The information plate shall have the required information
2. Terminology
either stamped or engraved into the plate.
2.1 Definitions:
3.2.1 Serial Number—Amanufacturer-issued unique identi-
2.1.1 airship—engine-driven lighter-than-air aircraft that
fying number or code.
can be steered.
3.2.2 Name and Manufacturer, shall include the aircraft
name, the manufacturer’s name, and the manufacturer’s main
2.1.2 AOI—Aircraft Operating Instructions.
location including, city, state, and country.
2.1.3 balloon—lighter-than-air aircraft that is not engine-
3.2.3 Model Number—A manufacturer-issued unique iden-
driven, and that sustains flight through the use of either gas
tifying number or code assigned to each manufactured type of
buoyancy or an airborne heater.
aircraft having the same structural design or components.
2.1.4 lighter-than-air aircraft—aircraft that can rise and
3.2.4 Date of Manufacture—The date (month and year)
remain suspended by using contained gas weighing less than
determined by the manufacturer that the aircraft met his
the air that is displaced by the gas.
required design and manufacturing specifications.
2.1.4.1 Discussion—Aircraft may include dynamic lift that
derive as much as 30 % lift from other than buoyancy.
4. Placard Notice
2.1.5 thermal airship—airship using heated air for a portion
4.1 The following placard notice shall be posted in the
of its lift, incorporating design features to prevent nose
aircraft passenger area so that it is visible to both the pilot and
passenger upon entry or while seated in the aircraft. The
lettering shall be a minimum of 3.1 mm ( ⁄8 in.) high.
This specification is under the jurisdiction of ASTM Committee F37 on Light
Sport Aircraft and is the direct responsibility of Subcommittee F37.60 on Lighter
4.1.1 PASSENGER NOTICE: This aircraft conforms to
than Air.
ASTM Consensus Standards of airworthiness developed and
Current edition approved Nov. 1, 2018. Published November 2018. Originally
maintained by the aviation community underASTM Technical
approved in 2004. Last previous edition approved in 2013 as F2427–05a (2013).
DOI: 10.1520/F2427–05AR18. Committee F37.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
F2427 − 05a (2018)
5. Aircraft Operating Instructions (see Annex A1) 6.2.1 Failure of flight (or ground) load-bearing structure,
6.2.2 Failure of ability to maintain control of the aircraft,
5.1 General.
6.2.3 Structure failures that might injure the aircraft
5.2 Limitations.
occupants,
6.2.4 Events whose occurrence might damage the aircraft so
5.3 Emergency procedures.
that a safe completion of the flight is not likely,
5.4 Normal procedures.
6.2.5 Possible fire, and
5.5 Performance.
6.2.6 Loss of information needed to safely fly the aircraft.
5.6 Weight and balance.
7. Manufacturer’s Statement of Compliance
5.7 Description of the aircraft and its systems.
7.1 The statement shall include a statement identifying the
5.8 Handling, servicing, and maintenance.
ASTMstandardsusedforthedesign,qualitycontrol,continued
maintenance, and production acceptance testing of the aircraft
5.9 Supplements.
and attest
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