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Hugh Mattern and
John Lyon are now friends 1 month, 1 week ago
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Hugh Mattern and
Bruce Mayes are now friends 1 month, 1 week ago
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Hugh Mattern and
nelson harding are now friends 1 month, 1 week ago
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Hugh Mattern's profile was updated 1 year ago
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Jay McLeod and
Hugh Mattern are now friends 1 year ago
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Mark Young and
Hugh Mattern are now friends 2 years, 7 months ago
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Garry Elghammer and
Hugh Mattern are now friends 2 years, 7 months ago
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Ashley Wade and
Hugh Mattern are now friends 2 years, 8 months ago
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Tom Thibodeau and
Hugh Mattern are now friends 2 years, 10 months ago
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Webmaster and
Hugh Mattern are now friends 2 years, 10 months ago
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Hugh Mattern started the topic AC 23-27 in the forum Meyers 200 3 years ago
This AC provides guidance for substantiating parts or materials substitutions to maintain the safety of old or out-of-production GA aircraft, or other GA aircraft where the parts or materials are either difficult or impossible to obtain.
This AC applies to small aircraft type certificated before January 1, 1980, -
Tom Losey and
Hugh Mattern are now friends 3 years, 11 months ago
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Ross Warner and
Hugh Mattern are now friends 4 years, 11 months ago
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Phil W. Hart and
Hugh Mattern are now friends 4 years, 11 months ago
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Kent Aitchison and
Hugh Mattern are now friends 5 years ago
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Richard E Russell and
Hugh Mattern are now friends 5 years ago
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Jamon Pruitt and
Hugh Mattern are now friends 5 years, 5 months ago
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John Secord and
Hugh Mattern are now friends 5 years, 6 months ago
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Dan McLeod and
Hugh Mattern are now friends 5 years, 6 months ago
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Hinrik Hjaltason and
Hugh Mattern are now friends 6 years, 5 months ago
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