False Alarms

Everyone has heard the story of the boy who criedreal distress signals. The Division of Aeronautics
wolf. In Search and Rescue, we have a very similartreats every ELT incident as an emergency until it is
situation involving ELTs (Emergency Locatordetermined to be otherwise and will initiate our
Transmitters).search procedures. A search is always an emergency.
The ELT is a wonderful device designed to provide aSearching for false ELT signals depletes limited private
timely response to a critical, potentiallyfunds, state funds (your Airman Registration fees),
life-threatening, situation. However, most ELTfederal funds (Civil Air Patrol) and other resources
activations are false alarms, whereas most actualreserved to search for missing or downed aircraft or
emergencies result in no activation of the ELT. Asairmen.
backward as this may seem, it is true. Most of theThe FCC has their own rules and regulations: Subpart
ELTs the Division of Aeronautics searches for areG, 47 CFR 80.311 and 80.332 provide for fines ranging
false alarms; at least one incident per weekfrom $10,000 to $25,000 for non-distress activation
throughout Idaho.of an ELT, or knowingly transmitting a false or hoax
According to the National Search and Rescue Schooldistress signal.
in York Town, Virginia, "98% of ELT signals receivedIt does not have to come to that. With your
by AFRCC (Air Force Rescue Coordination Center)assistance, we can make this system work more
are non-distress". They are the result of "hardefficiently by reducing false activations and ensuring
landings, mishandling (falling off shelves, being tossedthat our limited resources are available for the real
into car trunks), maintenance (battery problems), andemergencies. Here are a few simple tips that will help
vandalism". As search coordinators for the Division,prevent a false alarm:
we have found activated ELTs in the post office,1. On every flight, check your ELT as part of your
UPS trucks traveling down the highway, freight trainspre-flight and post-flight duties (listen up on 121.5).
traveling across the state, city dumps, snowmobiles2. If your ELT is not installed in the aircraft,
and aircraft on trailers, as well as in airplanes indisconnect the battery (we have had ELTs go off in
hangars, maintenance shops, and parked on the ramp.spite of the fact that the switch is in the OFF
Occasionally, we will get a non-distress signal in anposition).
airborne aircraft.3. After changing the battery and reinstalling the ELT
There are three ways to automatically activate anin your aircraft, be sure to check for activation (See
aircraft search: by overdue flight plan, by a distressedstep 1 and remember, the FARs require you to
family member or friend, and by activation of an ELT.change the battery again if it transmits for more than
Of course we all file and close our flight plans, don'tone hour).
we? But, how many of us check our ELT for4. If shipping your ELT, disconnect the battery and
activation after landing or after we have maintenancetemporarily mark on the outside of the ELT that the
performed on our aircraft or ELT? It only requires abattery has been disconnected.
few seconds to tune the aircraft radio to 121.5 and5. When disposing of an old ELT, remove the battery.
listen, or, in the case of a new ELT installation, checkRemember, a search is always an emergency, and an
the panel mounted light (required by the latest TSO).ELT signal automatically activates the statewide and
False alarms are a serious matter. They can masknational search and rescue systems.