CHAMBER I • THE AIRCRAFT GENOME & OFFICIAL CENSUS
Aircraft Genome & Fleet Census
An aircraft is not a static machine — it is a living regulatory and mechanical organism. Every model carries an evolving DNA of FAA registration cohorts, Service Difficulty Reports (SDR), Airworthiness Directives (AD), and NTSB forensic investigation histories.
14 CFR Part 23FAA CODE: 2072810
Cessna 172S Skyhawk
Manufacturer: Textron Aviation / Cessna • Engine: IO-360-L2A (180 HP @ 2,700 RPM)
Active US Fleet23,840
Median Airframe Age24 YRS
Estimated Annual Flight Hours3,200,000 HRSFAA General Aviation Activity Survey Denominator
Powerplant ArchitectureIO-360-L2A100LL Avgas • 180 HP @ 2,700 RPM
Active Airworthiness Directives14 ADsFAA Dynamic Regulatory System (DRS)
Statistical Exposure Integrity:
Aviologium avoids simplistic raw-incident counts. In high-frequency fleet analysis, accident frequency must be normalized against the FAA General Aviation Activity Survey exposure denominator (3,200,000 hours flown annually).
PRIMARY SOURCE AUTHORITY
FAA Civil Aircraft Registry & NTSB CAROL Database
Cross-referenced against the FAA General Aviation Activity Survey exposure denominators.