Aviation organizations:
- Cessna Pilots Association
- Experimental Aircraft Association
- AOPA
- AAAE – American Association of Airport Executives
- AFA – Air Force Association
- AIAA – American Institute of Aeronautics & Astronautics
- First Flight Society
- HAI – Helicopter Assocation International
- International Aerobatic Club
- IAOPA
- NBAA – National Business Aircraft Association
- PAMA – Professional Aviation Maintenance Association
- Soaring Society of America
- The International Group for Historic Aircraft Recovery
- History of Flight Attendants
Reference information:
- Cessna 172N POH (standard not with 180HP upgrade)
- Airplane Flight Manual Supplement 180HP upgrade
- C172N 180HP Checklist
- ILG Airport diagram
- Garmin 696 Owners Manual
- Garmin 430W Owners Manual
- Davtron M800 Digital Clock Instructions
- AirNav airport database
- N-number search
- Registered owner search
- FAA Airmen online services
- FAA Airmen Certification Inquiry
- Aviation Medical Examiner search
- Search NTSB accident reports
- AirNav navaid info
- Airnav fuel stop planner
- True airspeed calculator
- AIM
- Cold Weather Operations
- GATS jar instructions
- Hangar practices & instructions
- To reduce plug fouling best practices
Government agencies:
- FAA
- NTSB
- NASA
- Aviation Safety Reporting System
- Civil Air Patrol
- US Air Force
- National Air and Space Museum