Specifications

4.1. In the United States
WHY? To en sure con tin ued re li abil ity of
your ELT it must be in spected for dam
-
age and wear which could be caused by
age, ex posed el e ments, vi bra tions, etc.
Even the best de signed equip ment, if not
prop erly main tained and cared for, will
even tu ally fail.
HOW OFTEN? At least once ev ery year,
un less re quired more fre quently by FARs
(e.g., 100 hour in spec tions)
IS IT RE QUIRED? FAR Parts 91.207,
91.409 and 43 Ap pen dix D make de tailed
ELT in spec tions man da tory.
HOW DE TAILED? FAR 43, Ap pen dix
D(i) states in part that each per son per -
form ing an an nual or 100-hour in spec tion
shall in spect the fol low ing com po nents of
(the ELT):
(1) (ELT unit and mount) for im proper
in stal la tion and in se cure mount ing.
(2) Wiring and con duits - for im proper
rout ing, in se cure mount ing, and ob vi ous
de fects.
(3) Bonding and shield ing - for im -
proper in stal la tion and poor con di tion.
(4) An tenna, in clud ing trail ing an-
tenna-for poor con di tion, in se cure mount
-
ing, and im proper op er a tion.
4.2. In Can ada
WHY? To en sure con tin ued re li abil ity of
your ELT it must be in spected for dam-
age and wear which could be caused by
age, ex posed el e ments, vi bra tion, etc.
Even the best de signed equip ment, if not
prop erly main tained and cared for, will
even tu ally fail.
HOW OFTEN? The ELT must be “per -
for mance tested within the 12 month pe-
riod pre ced ing in stal la tion in an air craft
and within 12 month in ter vals there af ter...”
IS IT RE QUIRED? Yes. For Ca na dian
in stal la tions, all main te nance shall be per
-
formed in ac cor dance with CAR’s Part V,
Subpart 71 and Part VI, Subpart 5.
HOW DE TAILED? The same ref er ence
quoted above states five es sen tial tests:
(1) The mea sured peak power af ter 3
min utes of op er a tion;
(2) The mea sured fre quency af ter 3
min utes of op er a tion;
(3) The au dio mod u la tion, which shall
be rec og niz able as a typ i cal ELT sig nal;
(4) The mea sured cur rent draw in the
“OFF” (ARM) po si tion and in the “ON”
po si tion as spec i fied by the ELT man u
-
fac turer; and
(5) The au to matic ac ti va tion sys tem.
4.3. Pe ri odic Main te nance
In spec tion Pro ce dure
To com ply with the above quoted FAA
& Ca na dian DOT reg u la tions, ARTEX Air
-
craft Sup plies pro vides the fol low ing main
-
te nance pro ce dures (see Fig ure 4-1
“Pe ri odic Main te nance In spec tion Check
list”). These pro ce dures in clude checks
which are man da tory in Can ada. FAR
91.207(d) states those in spec tion checks
re quired in the United States. In ad di tion
to the main te nance checks de scribed in
this chap ter a monthly “self test” of the
ELT is rec om mended. Please re fer to
Sec tion 3, page 3-17 of this man ual f o r
more in for ma tion.
ARTEX AIRCRAFT SUPPLIES DOCUMENT # 570-5000
04/11/01 PAGE 4-2