ASSESSMENT A Flashcards
PBE preflight checks
Correct number and location
Secured in bracket
Tamper seal intact
Vacuum foil bag is not expanded
How do you don and operate the PBE?
Open stowage box
OPEN VACUUM SEALED BAG BY PULLING RED TAG
Remove PBE from foil bag
Place both hands inside neck seal, palms facing each other and visor to front
Bend forward and insert head through neck seal
Ensure flap at front and back are extended
Adjust oro-nasal mask if necessary
PULL ADJUSTMENT STRAPS FORWARD TO ACTIVATE
Pull adjustment straps backwards to seal the mask over the nose and mouth
Ensure nothing in neck seal eg hair
PBE duration?
15 minutes
Should the PBE fail to start, explain what you would do?
PULL ADJUSTMENT STRAPS FOR A SECOND TIME TO DISLODGE THE PIN AND ACTIVATE PBE
IF THE PBE FAILS TO ACTUATE, THE ACTION OF FORCEFULLY EXHALING WILL START OXYGEN GENERATION
IF UNSUCCESSFUL, USE ANOTHER
How do you remove a PBE?
Move to a safe area
RELEASE ADJUSTMENT STRAPS BY PUSHING THE BUCKLES FORWARD
Insert both hands inside neck seal and guide PBE off
His would you dispose of a PBE?
Treat used PBE as a dangerous good. Place PBE in an atlas box then place into the lavatory and lock the lavatory door
PBE precautions?
Be careful not to damage the neck seal when fitting eg glasses, jewellery
Do not interfere with the neck seal once it is in place as this may allow smoke to enter into the PBE
Ensure long hair is contained within the neck seal inside the PBE
After use do not remove in fire vicinity due to oxygen saturation of the hair - brush hair with hands to remove oxygen particles
Do not use water to cool PBE
Take caution when removing the PBE as generator may be hot and cause injury
Oxygen preflight checks
Correct number and location
Secured in brackets
MINIMUM 1500 PSI DISPATCH PRESSURE
Dust covers in place
No oil or grease on fittings
OXYGEN MASK PRESENT AND SEALED
Oxygen bottle operation?
Remove oxygen bottle from bracket and prepare away from pax
Secure bottle to self
Obtain and remove mask from sealed bag mask, ensure no kinks in tubing
Remove dust covers and insert metal connectors from mask into outlets
TURN ON USING ON/OFF CONTROL KNOB
CHECK OXYGEN FLOW TO MASK
LOOK TO SEE IF FLOW INDICATOR IN THE TUBE TURNS GREEN
LISTEN FOR HISSING SOUND
FEEL AIRFLOW ON CHEEK
Fit mask around nose and mouth and secure with elastic band
MONITOR O2 BOTTLE PRESSURE (GAUGE FACING CREW MEMBER) IF POSSIBLE DO NOT ALLOW BOTTLE TO FALL BELOW 50PSI UNLESS AN EMERGENCY
Turn control knob off when no longer required
Oxygen duration?
1 mask - 30 mins
2 masks - 15 mins
Oxygen precautions
Do not drop or bump oxygen cylinder
Do not handle oxygen bottle or mask with greasy hands
Do not use oxygen in the vicinity of any form of open flame
Remove excess heavy makeup or grease from the casualty’s face
When the gauge shows 50PSI if possible discontinue use
Halon preflight
Correct number and location
Secured in bracket
SAFETY PIN AND TAMPER SEAL IN PLACE
NEEDLE IN GREEN BAND
How do you operate a Halon?
PULL SAFETY PIN
AIM AT THE BASE OF THE FIRE
SQUEEZE THE HANDLE
SWEEP THE FLAMES
Halon duration?
10-15 seconds
Halon optimum range
1.5-2 metres