October| November 2013
October | November 2013
MAINTENANCE The Source for Helicopter Maintenance Professionals FORMERLY HEMS
Helicopter Emergency Medical Services
Avionics Troubleshooting
Airframe Repair – Alpine Aerotech
Pratt & Whitney Customer Support
HelicopterMaintenanceMagazine.com
On The Cover: Employees at Air Evac Lifeteam perform maintenance on one of the company’s Bell 206 Long Rangers. Photo courtesy of Air Evac Lifeteam.
HMX_ON13 01
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Editorial Director | Joe Escobar | 920.747.0195
jescobar@HelicopterMaintenanceMagazine.com
Editor R. Fred Polak | 623.696.5088
fpolak@HelicopterMaintenanceMagazine.com
Managing Editor | Dionne Shearer Contributing Writer | Jim Campbell
Publisher Greg Napert | 608.436.3376
gnapert@HelicopterMaintenanceMagazine.com
Director of Sales/Production Coordinator Bob Graf | 608.774.4901
bgraf@HelicopterMaintenanceMagazine.com
Creative/Production Director Becker 505, LLC |
info@becker505.com Circulation Director
(FOR SUBSCRIPTION REQUESTS OR UPDATES) Marie Escobar
mescobar@HelicopterMaintenanceMagazine.com Editorial Advisory Board
Helicopter Maintenance Helicopter Maintenance magazine is published six times per year. All state-
ments, including product claims, are those of the person or organization making the statement or claim. The publisher does not adopt any such statement or claim as its own and any such statement or claim does not necessarily reflect the opinion of the publisher. Printed in the USA. POSTMASTER: Send address changes to Helicopter Maintenance magazine at P.O. Box 175, Milton, WI 53563. All rights reserved. Permission to reprint articles or quote excerpts granted only upon written request.
Randy Davis-Yates, director of maintenance, Maricopa County Sheriff’s Office Aviation Division
Danny Green, aviation vibration data analyst, Chevron, Gulf of Mexico Aircraft Operations
Edward Jerin, aviation maintenance manager, Era Med LLC Boston Med Flight critical care transport service contract
Dana Kerrick, vice president, International Aviation Composites
October | November 2013
HelicopterMaintenanceMagazine.com 3 Terry Peed, chief inspector, Helicopter Specialties, Inc.
Del Richardson, director of maintenance, Fairfax County Police Department, helicopter division.
Jon Robbins, supervisor, helicopter maintenance program, CAL FIRE (California Fire Aviation Management Unit)
FEATURES Airframe
Making it New Again Avionics
Avionics Troubleshooting Part One; Science, Art and Tribal Knowledge
Engines
Helicopter Engines and the Gremlins that Eat Them 18 HEMS
26
HEMS and the Golden Hour Customer Support
36 Pratt & Whitney Canada — Putting the Customer First 26
COVER STORY DEPARTMENTS Vertical Viewpoint News
Products Events
Ad Index Editorial Director 4
40 42 44 45 46
6 6 14
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