Technical information about older aircraft models, with no more than 50 remaining in service, can be found in which listing?

Technical information about older aircraft models, with no more than 50 remaining in service, can be found in which listing?

• A. Aircraft Listing
• B. Airworthiness Directive
• C. Technical Data Sheet
• D. Supplemental Type Certificate

Answer: (A)

Older aircraft models with only a small number left in service are typically found in an Aircraft Listing. This type of listing is designed to catalog designs that are no longer in production and have limited fleets, providing key reference data such as model designation, applicable serial ranges, and current status. It helps maintainers and operators know where to find relevant information, parts compatibility, and regulatory considerations for these rare airframes. Airworthiness Directives focus on mandatory actions for specific unsafe conditions, not a general model inventory; Technical Data Sheets present component-level specifications rather than a fleet-wide listing; and Supplemental Type Certificates relate to approved modifications to a type certificate, not a catalog of older models.

Older aircraft models with only a small number left in service are typically found in an Aircraft Listing. This type of listing is designed to catalog designs that are no longer in production and have limited fleets, providing key reference data such as model designation, applicable serial ranges, and current status. It helps maintainers and operators know where to find relevant information, parts compatibility, and regulatory considerations for these rare airframes. Airworthiness Directives focus on mandatory actions for specific unsafe conditions, not a general model inventory; Technical Data Sheets present component-level specifications rather than a fleet-wide listing; and Supplemental Type Certificates relate to approved modifications to a type certificate, not a catalog of older models.