>My operating limitations has a paragraph that roughly reads: >Subsequent owners must contact the FSDO after a major modification >as defined by FAR 21.93a and receive a letter authorizing flight.
The only thing the FARs require is that after a major change, the aircraft is returned to Phase I flight testing and that requires a specific test area. The FSDO must agree with the test area that you propose, nothing else that I can see. Your Phase I flight restrictions probably also list the required time that the aircraft must be flown under Phase I flight restrictions, but I don't believe the FSDO has to sign off your logs to return to Phase II when that testing is complete. I'm sure there are others who have had a different experiences with the FAA, but the nature of experimental aviation is that things may be changed, modified, improved, updated, and tweaked constantly without the FSDO's approval on everything, minor or major. PIREPS from others who have made major changes-? My own experience is that I changed engines on my airplane and if anything, the FSDO would have been annoyed if I'd bothered him with a request for authorization to fly after that change. Oscar Zuniga Medford, OR Air Camper NX41CC, A75 power
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