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Testing
shows dramatic energy absorption with our ZetaLiner® Helmet Liner. Cool, washable, wear-resistant. Self-wicking,
light weight.
Unsure what to order? Call Dan, our helmet specialist, for
help.
|
|
| |
| The
ZetaLiner® Helmet Liner reduces skin temperature by 1.5°F. |
|
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| ZetaLiner® Helmet Liner fittings take 3-5 minutes. |
|
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 |
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| "I
flew with the ZetaLiner® Helmet Liner (and other upgrade
components) in my HGU-68P helmet for the S-3B today and was
very impressed
with the comfort and the sound protection. Usually, I’m
turning up the volume on the radios while we are flying
at higher
airspeeds, but not so today. The liner and ear protection worked
as advertised." — Lt. F.O. |
|
| |
"Over
the past 15 years I have flown over 30 different fixed and
rotary
wing aircraft across the spectrum of Combat to Developmental
Test and Evaluation. The single biggest operational enhancement
I have personally experienced is the Oregon Aero®
ZetaLiner®.
The fatigue associated with tactical NVG evolutions is primarily
(caused by) a poorly fitting helmet.
The ZetaLiner® Hlmet Liner instantly eliminates
the helmet induced fatigue, qualifying it as a ‘Combat
Enhancement’.
Two additional Oregon Aero products are notable, the SoftSeal® Ear Cushions and SoftSeat® Cushion. The...cushions
contribute significantly to managing fatigue and ensuring a
consistently
tailored fit each time you strap on an aircraft. I recommend
the ZetaLiner® (Helmet Liner) to anyone required to operate
in a high workload environment wearing a helmet, especially
if
NVD’s
are also required. It will make a believer out of you immediately."
— D.A., AH-1W WTI/ETP |
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|
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Oregon
Aero® Aviation
Helmet Upgrades
|
 |
| |
ZetaLiner® and Zeta
II™ Helmet Liners |
The
original
ZetaLiner® Helmet Liner and the
PM Air Warrior approved Zeta
II™ Helmet
Liner both solve
the problems of liner hot spots, perspiration and helmet
instability — safety-related
problems which can reduce focus and execution of the mission. |
| |
| Easy
Helmet Liner Fitting |
No more hour-long
fitting sessions that require liner heating! The ZetaLiner® and Zeta
II™ Helmet Liner Upgrades can be done in minutes as
shown below. See the following information about how to select the
correct ZetaLiner® or Zeta II™ Helmet
Liner length and thickness.
|
 |
|
Apply
self-adhesive hook
(as needed). |
|
| Place
Liner inside helmet. |
|
| The
ZetaLiner® Helmet Liner
is retained by hook/loop. |
|
|
When installed, the Zeta II™ Helmet
Liner should be level with the lower edge of the polystyrene
liner
at the
front of the helmet, fit smoothly along the interior contour
of the polystyrene liner and mate completely with
the hook and pile tape sewn into the rear nape pad of the helmet. |
PM Air Warrior Approved
Zeta
II™ Helmet Liner |
| |
ZetaLiner® Helmet Liner
Installation Instructions
Zeta II™ Helmet Liner Installation Instructions |
| How
to Select the Correct Helmet Liner Length and Thickness |
|
Choosing
a Helmet Liner Length
Measure the inside of your
helmet from front to back, down into the bowl, as shown in the
photo. Then consult the chart below and find the correct part
number. |
| |
|
| Choosing
a Helmet Liner Thickness |
Both
liners comes
in four thicknesses: 1/4",
3/8",
1/2" and 5/8".
The most commonly used thickness
is 3/8". To select the proper liner thickness,
review the information below, then find your part number.
NOTE: If your TPL®*
has been heated and fitted, you will probably need a Helmet
Liner one thickness thinner than those listed below. |
For
a ZetaLiner® or Zeta II™ Helmet Liner
| IF
YOUR TPL® LINER HAS: |
THEN
TRY: |
| 2
Layers |
1/4"
ZetaLiner® Liner |
| 3
Layers |
3/8"
ZetaLiner® Liner |
| 4-5
Layers |
1/2" ZetaLiner® Liner |
| 5+
Layers |
5/8"
ZetaLiner® Liner |
|
NOTE:
The sizing informaton above is intended to suggest a starting
point for the fitting process. Each pilot should be fitted
individually
for comfort and stability. Final results may differ from the
above data. Fitting only takes minutes!
|
 Back to Helmet Upgrade Chart
HELMET
TYPE |
HELMET
SIZE |
ZETALINER® Helmet
Liner Length |
| Rotorcraft
Helmets |
| SPH-4®* |
Regular
Large
X-Large |
15"
16"
16" |
| SPH-4B®* |
Regular
X-Large |
15"
16" |
| SPH-5®* |
Regular
X-Large |
15"
16" |
| HGU-84 |
Medium
Large
X-Large
X-Large Wide |
12"-13"
13"-14"
14"-15"
14"-15" |
HELMET
TYPE |
HELMET
SIZE |
ZETA
II™ Helmet Liner Length |
| HGU-56 |
XXS/XS
S/M
L
XL
|
15"
16"
17"
18"
|
| |
HELMET
TYPE |
HELMET
SIZE |
ZETALINER® Helmet
Liner Lenght |
| Fixed
Wing
Helmets |
| HGU-33 |
Medium
Large
X-Large |
12"-13"
13"-14"
14"-15" |
| HGU-55 |
Medium
Large
X-Large |
12"-13"
13"-14"
14"-15" |
| HGU-68 |
Medium
Large
X-Large
X-Large Wide |
12"-13"
13"-14"
14"-15"
14"-15" |
| HGU-85 |
Medium
Large
X-Large
X-Large Wide |
12"-13"
13"-14"
14"-15"
14"-15" |
| CGF |
Medium
Large
X-Large
|
12"
13"
14" |
| Alpha |
Please
call Oregon Aero for information. |
|
ZetaLiner® & Zeta
II™ Helmet
Liner Part Information
|
Order
a
ZetaLiner® or Zeta II™
Helmet Liner
NOW
The
following are for Styroliner internal measurement 12"
from front to back: |
| #95122A
ZetaLiner® Helmet Liner
1/4" thick: NSN
8475-01-472-3318
#95123A ZetaLiner® Helmet Liner
3/8" thick: NSN 8475-01-472-3774
#95124A ZetaLiner® Helmet Liner
1/2" thick: NSN 8475-01-472-3319
#95125A ZetaLiner® Helmet Liner
5/8" thick: NSN 8475-01-472-3321 |
| |
The
following are for Styroliner internal measurement 13"
from front to back: |
#95132A ZetaLiner® Helmet Liner
1/4" thick: NSN
8475-01-472-3776
#95133A ZetaLiner® Helmet
Liner
3/8" thick: NSN 8475-01-472-3320
#95134A ZetaLiner®
Helmet Liner
1/2" thick: NSN
8475-01-472-3323
#95135A ZetaLiner® Helmet
Liner
5/8" thick: NSN 8475-01-472-3777
|
| |
The
following are for Styroliner internal measurement 14"
from front to back: |
#95142A
ZetaLiner® Helmet Liner
1/4" thick: NSN
8475-01-472-3322
#95143A ZetaLiner® Helmet Liner
3/8" thick: NSN 8475-01-472-3324
#95144A ZetaLiner® Helmet Liner
1/2" thick: NSN 8475-01-472-3779
#95145A ZetaLiner® Helmet Liner
5/8" thick: NSN 8475-01-472-3326 |
| |
The
following are for Styroliner internal measurement 15"
from front to back: |
#95152A ZetaLiner® Helmet Liner
1/4" thick: NSN
8475-01-472-3325
#95153A ZetaLiner® Helmet Liner
3/8" thick: NSN 8475-01-472-3780
#95154A ZetaLiner® Helmet Liner
1/2" thick: NSN 8475-01-472-3327
#95155A ZetaLiner®
Helmet Liner
5/8" thick: NSN
8475-01-472-3770
#9A-0015-101 Zeta
II™ Helmet Liner
1/4" thick: NSN
8415-01-580-5456
#9A-0015-102 Zeta II™ Helmet Liner
3/8" thick: NSN
8415-01-580-5460
#9A-0015-103 Zeta II™ Helmet Liner
1/2" thick: NSN
8415-01-580-5465
#9A-0015-104 Zeta II™ Helmet Liner
5/8" thick: NSN
8415-01-580-5480
|
| |
The
following are for Styroliner internal measurement 16"
from front to back: |
#95162A
ZetaLiner® Helmet Liner
1/4" thick: NSN
8475-01-472-3781
#95163A ZetaLiner® Helmet
Liner
3/8" thick: NSN 8475-01-472-3773
#95164A ZetaLiner® Helmet
Liner
1/2" thick: NSN 8475-01-472-3775
#95165A ZetaLiner® Helmet
Liner
5/8" thick: NSN 8475-01-472-3783
#9A-0016-101 Zeta
II™ Helmet Liner
1/4" thick: NSN
8415-01-580-5484
#9A-0016-102 Zeta II™ Helmet
Liner
3/8" thick: NSN
8415-01-580-5489
#9A-0016-103 Zeta II™ Helmet Liner
1/2" thick: NSN
8415-01-580-5492
#9A-0016-104 Zeta II™ Helmet
Liner
5/8" thick: NSN
8415-01-580-5494
|
| |
The
following are for Styroliner internal measurement 17"
from front to back: |
#95172A ZetaLiner® Helmet Liner 1/4" thick
#95173A ZetaLiner® Helmet
Liner 3/8" thick
#95174A ZetaLiner® H/elmet
Liner 1/2" thick
#95175A ZetaLiner® Helmet
Liner 5/8" thick
#9A-0017-101 Zeta
II™ Helmet Liner
1/4" thick: NSN
8415-01-580-5498
#9A-0017-102 Zeta II™ Helmet
Liner
3/8" thick: NSN
8415-01-580-5499
#9A-0017-103 Zeta II™ Helmet Liner
1/2" thick: NSN
8415-01-580-5500
#9A-0017-104 Zeta II™ Helmet
Liner
5/8" thick: NSN
8415-01-580-5859
|
The
following are for Styroliner internal measurement 18"
from front to back: |
 |
Patterns
for parts, including the ZetaLiner® Helmet Liner, are digitized
to ensure accuracy and precision. |
| *SPH-4®,
SPH-4B®, SPH-5® and TPL® are federally registered
trademarks owned by Gentex Corporation. Use on this web site
of these trademarks is made for reference purposes only. Oregon
Aero has no business affiliation with Gentex. |
|
|
