Section 4. Control Actions
10-4-1. TRAFFIC RESTRICTIONS
IFR traffic which could be affected by an overdue or
unreported aircraft shall be restricted or suspended
unless radar separation is used. The facility
responsible shall restrict or suspend IFR traffic for a
period of 30 minutes following the applicable time
listed in subparas a thru e:
a. The time at which approach clearance was
delivered to the pilot.
b. The EFC time delivered to the pilot.
c. The arrival time over the NAVAID serving the
destination airport.
d. The current estimate, either the control
facility's or the pilot's, whichever is later, at:
1. The appropriate en route NAVAID or fix, and
2. The NAVAID serving the destination airport.
e. The release time and, if issued, the clearance
void time.
REFERENCE-
FAAO JO 7110.65, Para 4-3-4, Departure Restrictions,
Clearance Void Times, Hold for Release, and Release Times.
10-4-2. LIGHTING REQUIREMENTS
a. EN ROUTE. At nontower or non-FSS locations, request the airport management to light all
runway lights, approach lights, and all other required
airport lighting systems for at least 30 minutes before
the ETA of the unreported aircraft until the aircraft
has been located or for 30 minutes after its fuel supply
is estimated to be exhausted.
b. TERMINAL. Operate runway lights, approach
lights, and all other required airport lighting systems
for at least 30 minutes before the ETA of the
unreported aircraft until the aircraft has been located
or for 30 minutes after its fuel supply is estimated to
be exhausted.
REFERENCE-
FAAO JO 7110.65, Para 3-4-1, Emergency Lighting.
10-4-3. TRAFFIC RESUMPTION
After the 30-minute traffic suspension period has
expired, resume normal air traffic control if the
operators or pilots of other aircraft concur. This
concurrence must be maintained for a period of
30 minutes after the suspension period has expired.
REFERENCE-
FAAO JO 7110.65, Para 4-3-4, Departure Restrictions,
Clearance Void Times, Hold for Release, and Release Times.
10-4-4. COMMUNICATIONS FAILURE
Take the following actions, as appropriate, if
two-way radio communications are lost with an
aircraft:
NOTE-
1. When an IFR aircraft experiences two-way radio
communications failure, air traffic control is based on
anticipated pilot actions. Pilot procedures and recom-mended practices are set forth in the AIM, CFRs, and
pertinent military regulations.
2. Should the pilot of an aircraft equipped with a coded
radar beacon transponder experience a loss of two-way
radio capability, the pilot can be expected to adjust the
transponder to reply on Mode 3/A Code 7600.
a. In the event of lost communications with an
aircraft under your control jurisdiction use all
appropriate means available to reestablish communications with the aircraft. These may include, but not
be limited to, emergency frequencies, NAVAIDs that
are equipped with voice capability, FSS, Aeronauti-
cal Radio Incorporated (ARINC), etc.
NOTE-
1. ARINC is a commercial communications corporation
which designs, constructs, operates, leases or otherwise
engages in radio activities serving the aviation community.
ARINC has the capability of relaying information to/from
subscribing aircraft throughout the country.
2. Aircraft communications addressing and reporting
system (ACARS) or selective calling (SELCAL) may be
utilized to reestablish radio communications with suitably
equipped aircraft. ACARS can be accessed by contacting
the San Francisco ARINC communications center, watch
supervisor, at 925-294-8297 and 800-621-0140. Provide
ARINC the aircraft call sign, approximate location, and
contact instructions. In order to utilize the SELCAL system,
the SELCAL code for the subject aircraft must be known.
If the SELCAL code is not contained in the remarks section
of the flight plan, contact the pertinent air carrier dispatch
office to determine the code. Then contact the
San Francisco ARINC communications center, watch
supervisor, at 925-294-8297 and 800-621-0140. Provide
ARINC the aircraft call sign, SELCAL code, approximate
location, and contact instructions.
b. Broadcast clearances through any available
means of communications including the voice feature
of NAVAIDs.
NOTE-
1. Some UHF equipped aircraft have VHF navigation
equipment and can receive 121.5 MHz.
2. "Any available means" includes the use of FSS and
ARINC.
REFERENCE-
FAAO JO 7110.65, Para 4-2-2, Clearance Prefix.
c. Attempt to re-establish communication by
having the aircraft use its transponder or make turns
to acknowledge clearances and answer questions.
Request any of the following in using the
transponder:
1. Request the aircraft to reply Mode 3/A
"IDENT."
2. Request the aircraft to reply on Code 7600 or
if already on Code 7600, the appropriate stratum
code.
3. Request the aircraft to change to "stand-by"
for sufficient time for you to be sure that the lack of
a target is the result of the requested action.
PHRASEOLOGY-
REPLY NOT RECEIVED, (appropriate instructions).
(Action) OBSERVED, (additional instructions/information if necessary).
d. Broadcast a clearance for the aircraft to proceed
to its filed alternate airport at the MEA if the aircraft
operator concurs.
REFERENCE-
FAAO JO 7110.65, Para 5-2-8, Radio Failure.
FAAO JO 7110.65, Para 9-2-7, IFR Military Training Routes.
e. If radio communications have not been
(re)established with the aircraft after five minutes,
consider the aircraft's activity to be possibly
suspicious and handle the flight per FAAO JO 7610.4,
Chapter 7, Hijacked/Suspicious Aircraft Reporting
and Procedures.
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