1. Presented to: By: Date: Federal Aviation Administration AIRWORTHINESS General Aircraft Combustion Heaters

2. 2 Federal Aviation Administration May, 2014 Objective Increase Attention to Combustion Heaters Identify Troublesome Components Review Consequences of Failure Discuss Airworthiness Directive Results Encourage You to Report Failures Combustion Heater Health Check

3. 3 Federal Aviation Administration May, 2014 Combustion Heater Health Ch eck

4. 4 Federal Aviation Administration May, 2014 Beech Baron Janitrol Installation Combustion heaters are installed in small airplanes & rotorcraft Combustion Heater Health Ch eck

5. 5 Federal Aviation Administration May, 2014 Combustion Heater Failures Combustion tube Combustion air pressure switch Fuel regulator valve Intake or exhaust fans Combustion Heater Health Check

6. 6 Federal Aviation Administration May, 2014 Consequences of Heater Failure Carbon Monoxide Poisoning Smoke or Fumes Fire May 11, 2012 a Cessna 401 crash with four fatalities – The NTSB attributed the crash to the combustion heater. Combustion Heater Health Ch eck

7. 7 Federal Aviation Administration May, 2014 Consequences of Heater Failure Combustion Heater Health Check

8. 8 Federal Aviation Administration May, 2014 Observations Affected airplanes, is it yours? Airworthiness Directives (ADs) Manufacturer’s Service Bulletins Combustion Heater Health Ch eck

9. 9 Federal Aviation Administration May, 2014 Historical Record AD 2004-21-05 –Applies to certain Kelly Aerospace combustion heaters installed in any airplane, and address defective combustion tubes and combustion air pressure switches AD 2004-25-16R1 –Applies to certain Kelly Aerospace combustion heater fuel regulator shut off valves installed in any airplane, and requires inspections/tests/parts replacement or disabling of the heater to prevent fuel leakage Combustion Heater Health Check

10. 10 Federal Aviation Administration May, 2014 Historical Record Cont. AD 2005-15-10 –Applies to certain Kelly Aerospace combustion heater fuel pumps installed on Piper Aircraft Models PA-34 and PA-44, and requires inspections/repair/replacement of the pump to prevent fuel leakage AD 81-09-09 –Applies to Stewart-Warner (South Wind) combustion heaters installed in any airplane, conduct the 250 hour inspection in accordance with the manufacturer's service manual, see AD. Combustion Heater Health Check

11. 11 Federal Aviation Administration May, 2014 Report Failures Malfunction and Defect Report (General Aviation) Service Difficulty Reports (Air Carrier) WWW.FAA.GOV Aircraft Safety Report Safety Issues Combustion Heater Health Ch eck

12. 12 Federal Aviation Administration May, 2014 Conclusion Questions? www.faasafety.gov AMT Award Program WINGS Program GA Award Program Combustion Heater Health Ch eck