HS
Harold Herman Seinwerth
San Mateo, Ca
A&P MechanicNo reviews yet
1 of 22,419 a&p mechanics in California
Certifications
Airframe
Not Certified
Powerplant
Not Certified
Ratings
M/AIRFRM/POWER
Nearby Airports
4.7mi
Distances calculated from the centroid of San Mateo, CA.
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