1. The first flight after maintenance __________________________
Civil Air Patrol
The “Test” Flight
The first flight after maintenance
__________________________

2. The Risk
“Arguably, among the most challenging and potentially hazardous missions a pilot undertakes are post-maintenance test flights”, Richard N. Aarons | Business & Commercial Aviation

3. Regulations What’s the rule? .
§ Operation after maintenance, preventive maintenance, rebuilding, or alteration.
(a) No person may operate any aircraft that has undergone maintenance, preventive maintenance, rebuilding, or alteration unless -
(1) It has been approved for return to service by a person authorized under § 43.7 of this chapter; and
(2) The maintenance record entry required by § 43.9 or § 43.11, as applicable, of this chapter has been made. .

4. Know what work was done Annual/100hr inspection Cowling removed
All panels and inspection plates removed
All seats removed
Oil changed
Spark plugs removed and cleaned
Timing checked and adjusted
Wheel bearings repacked
Prop spinner removed
Check discrepancies in WMIRS

5. Aircraft during inspection

6. Check the paperwork Logbook Entries (14 CFR 43.9, or 43.11)
Ensure all work performed is logged in the appropriate logbook (airframe, engine, propeller, avionics).
Weight & Balance
If any equipment was removed or installed, ensure an updated weight & balance is provided.
Form 337 (14 CFR Appendix B to Part 43)
If any minor or major repairs or modifications were made ensure a from 337 was provided and submitted to the FAA

7. The Preflight Inspection
Follow the checklist!
Pay extra close attention to areas that were worked on.
Ensure seats and seat belts are properly installed.
All inspection covers installed and secure.
Cowling and other removable panels secure.
Flight controls free and CORRECT!

8. The “Test” flight Preform a comprehensive run-up.
Never at night or in IFR conditions.
Stay close to the airport if possible.
Avoid mountainous terrain and large bodies of water.
Depart from longest runway.

9. Post flight inspection
After the “Test” flight perform a post flight inspection
Loose parts
Oil leaks, etc…

10. Real world occurrences
Aileron cables rigged in reverse.
Rudder control cable hooked under bracket.
Defrost hose disconnected.
Incorrect timing.
Wrench left in engine compartment.
Pitot heat wiring mixed up with stall warning.

11. References AC
14 CFR Part 43
14 CFR Part 91

12. Citizens Serving Communities
Civil Air Patrol
Citizens Serving Communities