Avionics News May 2022 - 26

In January, NEST flew its Sikorsky S-76C++ helicopter to Whangaroa Harbour, an inlet on the northern coast of Northland, New Zealand, to rescue
someone who had fallen.
NEST ENGINEERING LTD.
Continued from page 25
" We're flying more hours every year, " said Rowan
Broadhurst, lead avionics engineer and licensed airframe and
powerplant mechanic for NEST Engineering, the nonprofit's
maintenance organization. " Currently, we fly 1,540 hours each
year between the three helis. The increasing hours each year
mean more missions flown, which results in more scheduled and
unscheduled maintenance. "
Broadhurst serves alongside Dylan Gregory, licensed aircraft
engineer; Grant Robinson, tradesman; Michael Couchman,
engineering manager and chief executive officer; Mike
Battersby, licensed aircraft engineer; and Caelyn Haupini,
engineering administrator who manages the technical records
and parts inventory.
" NEST has full IFR capability and flies rain or shine, day
or night, " said Broadhurst, who has 24 years of experience in
aviation maintenance and has been with NEST for nine years.
" The helicopters operate in a salt-laden environment and often
through rain. Scene landings can introduce sand and dirt, which
affects maintenance requirements. Environmental protection to
prevent corrosion is a high priority. We add extra protection to
wiring looms, connectors and LRUs that are exposed to these
elements. "
The crew handles the helicopters' scheduled and unscheduled
airframe and powerplant maintenance, role equipment
modifications and upgrades, including cabin medical
requirements such as medical oxygen and power, storage for
medical equipment and stretcher upgrades. They also perform
scheduled avionics checks and tests, defect rectifications,
EMI and EMC checks post modification as well as system
modifications and upgrade installations.
26 avionics news * may 2022
In 2019, the two S-76C++ helicopters received a major STC
upgrade, which included a medical oxygen system, night vision
imaging system for the cockpit and cabin and new avionics.
" The avionics upgrade consisted of dual Avidyne IFD550
FMS/GPS/nav/comm, Avidyne AXP322 transponder, Cobham
DACS digital audio, Axnes Wireless ICS, L3Harris ESI-500
standby, BendixKing RDR 2100 weather radar, Tait TM9455
and Cobham NPX138N FM radios, Flightcell DZMx satellite
and cellular system, Cobham DF938 direction finder, and dual
True Blue Power TI1202 medical inverters, " Broadhurst said.
" We also added additional Luminator Aerospace controllable
searchlights in both wheel wells, all external AeroLEDs
LED lighting, USB outlets in the cabin and cockpit, engine
parameter recording to SSQAR for enhanced flight data
monitoring and electrical provisions for our rescue hoists. The
new camera video recording system includes nine cameras, one
of which is the Max-Viz 2300 IR camera. "
To accommodate the growing staff, fleet, missions and
maintenance operations, NEST plans to relocate at the end of
2022 to a larger, purpose-built facility.
" Many a 24-hour period sees at least one IFR flight and
many more per day in the winter months, requiring a plethora
of aircraft avionics to operate correctly, from GPS units and
digital engine control modules to aviation radios and autopilot
systems, " Couchman said. " We rely heavily on engineering and
avionics support to enable these missions to proceed without
issues. "
From life-threatening burns, broken bones and brain
injuries to bad cuts and babies arriving prematurely - NEST
has carried more than 22,000 people to safety over the last 33
years. Behind the scenes, the aircraft maintenance team works
diligently to ensure the missions can continue and people can
get the urgent care they need. q

Avionics News May 2022

Table of Contents for the Digital Edition of Avionics News May 2022

Avionics News May 2022 - Intro
Avionics News May 2022 - Cover1
Avionics News May 2022 - Cover2
Avionics News May 2022 - 1
Avionics News May 2022 - 2
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Avionics News May 2022 - Cover3
Avionics News May 2022 - Cover4
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