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to dissipate before relocating the aircraft. In a parked
condition, and when air circulation is at a minimum, it
takes 12 to 15 minutes for brake heat to transfer to the
wheel and tire bead. Braking conditions may increase
heat and therefore the approach time requirement from
45 to 60 minutes, assuming there is no fire.
2-55. HEATED BRAKE DON’TS.
2-56. There are certain actions the fire department must
be aware of and ensure the proper procedures are followed
if brakes are in a heated condition. The following
DON’TS references TO 4B-1-1:
A. Do NOT Set parking brakes while overheated conditions
exist.
B. Do NOT approach landing gear from either side--
approach only from the front or rear.
C. After excessive use of brakes, do NOT taxi aircraft
after clearing the active runway.
D. Do NOT tow aircraft into a crowded parking area.
E. Do NOT move the aircraft until the brakes have cooled.
2-57. ENGINE INGESTION OF FIREFIGHTING
AGENTS.
2-58. Engine Ingestion of Firefighting Agents: Fire fighters
must use “CAUTION” to prevent the inadvertent
discharge of firefighting agents into aircraft engines and
cockpits. Only when it is absolutely necessary for the
purposes of preservation of life or the aircraft, should
any firefighting agent be discharged into the aircraft
engine or cockpit area. The chemical composition of
firefighting agents can result in a corrosive chemical
reaction when in contact with these components. Unnecessary
or inadvertent discharge of firefighting agents
into these areas can decrease the probability of critical
component salvage. Aircraft maintenance personnel
must be notified anytime there was a possibility of
firefighting agent being discharged into any of these critical
components.
2-59. CONFINED SPACES.
2-60. An aircraft confined space is a location on an aircraft
or aerospace vehicle where a person can either
fully or partially access an internal space. These spaces
can also be associated with dangerous equipment or
may be a space where breathable air is compromised.
AFOSH Standard 91-25 lists the aircraft and areas that
meet the definition of a confined space. Requirements
of this standard will be applied as appropriate. This list
is not all-inclusive and indicates only the minimum aircraft
confined spaces.
300 FT 300 FT
300 FT 300 FT
DANGER ZONE
DANGER ZONE
POSSIBLE
SAFE ZONE
POSSIBLE
SAFE ZONE
Figure 2-19. F-16 Example
WARNING
45
0
45 45
45
0 0
0
F. Do NOT attempt to physically determine wheel or
brake temperature by mechanical means. (Explanation:
extensive research has been shown that there is
NO SAFE OR FEASIBLE WAY to mechanically DETERMINE
wheel or brake temperature. WHEN A DANGEROUS
OVERHEAT CONDITION EXISTS, as a result,
the risk to personnel is not warranted.)
TO 00-105E-9
The following information has been paraphrased
from the original article to match this manual’s
language.
2-61. ROCKET-DEPLOYED PARACHUTES ON CIVILIAN
AIRCRAFT MAY EXPOSE UNKNOWN HAZARDS
TO EMERGENCY PERSONNEL
2-62. An emergency call takes you to the scene of an
aircraft accident. Victims inside may be injured. You
want to act quickly but people at the scene warn you
about a rocket-deployed parachute installed on this aircraft.
The pilot did not activate the safety device and
now you may find yourself working on or near the aircraft
with its ballistic device stillarmed and capable of
firing.
What do you do? You want to help the victims, but you
don’t want to hurt yourself or others around you. Perhaps
the occupants escaped without serious injury. They
may have left the aircraft. But a damaged aircraft with a
ballistically-deployed parachute can be lethal. What
do you do!?
Those who arrive first at the scene of an accident (rescue
workers, investigating officers, fire fighters, and other
safety personnel) may not recognize the parts of the
aircraft particularly well.
One device rescue workers may encounter is a rocketdeployed
emergency parachute system (sometimes
called a ballistic parachute). While these devices are
intended to save lives, they have the potential to cause
injuries or even death to rescue workers.
To prevent such tragic results, this information provides
vital information and awareness to emergency personnel.
The following summary provides the minimum steps
to disarm a BRS rocket motor:
(1) Locate the BRS parachute system by finding the
parachute (see photo of container types).
　
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