| Callahan Aircraft Services, LLC supports several commercial airlines and repair stations by salvaging damaged parts in a timely manner. We are an engineering company specializing in the design, analysis, certification and testing for modifications and repair for both military and commercial aircraft. Our expertise continues with major alterations or modifications for antennae installations to special mission projects. Our capabilities include drafting (2D and 3D), design, analysis including damage tolerance, testing, documentation and FAA DER approval. We offer competitive repair alternatives always keeping in mind Cost, Quality and Schedule. No job is too small or too large, and our primary goal is to focus on quality and service for our customers. Our FAA-DER is authorized to perform "Damage Tolerance Assessment for Instruction for Continued Airworthiness." |


| Cost Quality Schedule |
| z Callahan Aircraft Services, LLC 2001-2011. All rights reserved. |
| We are pleased to announce new additions to the services we offer. Callahan Aircraft Services, LLC will be conducting Instructional Courses in Classical Structural Analysis for Aircraft Engineers, Aircraft Repair Philosophy for Aircraft Mechanics, and Aircraft Pilot Instruction courses. Please see our Instruction page for more information on these classes. |

| "Engineering in plain English." Production Manager Allegheny Airlines |
