Annunciators Flashcards
When does the AMBER OIL PX annunciator illuminate?
AMBER
In idle:
- Oil pressure between 15-40 PSI
Above idle:
- Oil pressure between 40-90 PSI for 10 secs.
When does the CHIP annunciator illuminate?
Which color does it have?
RED
Whenever the chip detector detects ferrous material in the oil – contamination.
When does the FUEL PX annunciator illuminate?
Which color does it have?
RED
Illuminates whenever the fuel pressure in the motive flow /return-flow supply line is less than 10 PSI.
When does the IGN SEL annunciator illuminate?
Which color does it have?
GREEN
Whenever the ignition switch is set to ON,
or
Whenever the igniters are activated for an auto start.
When does the HYDR FL LO annunciator illuminate?
Which color does it have?
AMBER
When the hydraulic reservoir has dropped below app. 1 quart of hydraulic fluid.
When does the TAD FAIL annunciator illuminate?
Which color does it have?
AMBER
Illuminates when the TAD has failed internally
What is the definition of a “WARNING” in the T6 -1?
WARNING:
An operating procedure, technique, etc., which could result in personal injury or loss of life if not carefully followed.
When does the FIRE warning annunciator illuminate?
Which color is it?
RED
Illuminates when the diaphragm pressure reaches or exceeds the preset fire detection point – i.e. high temperatures from flames and/or escaping hot bleed air.
When does the GEN BUS annunciator illuminate?
Which color does it have?
RED
Illuminates when the generator bus fails.
When does the L/R FUEL LOW annunciators illuminate?
Which color does it have?
AMBER
Whenever the respective tank has less than app. 110 pounds.
When does the TRIM OFF annunciator illuminate?
Which color does it have?
GREEN
Whenever the trim disconnect or trim interrupt switches are used.
When does the CKPT PX annunciator illuminate?
Which color does it have?
RED
Illuminates whenever the cockpit differential pressure exceeds 3,9-4,0 PSI
When does the OBOGS FAIL annunciator illuminate?
Which color does it have?
RED
Low bleed air pressure
Low oxygen concentration
Internal failure detected by the OBOGS BIT
When does the RED OIL PX annunciator illuminate?
RED
In idle:
Oil pressure < 40 PSI for 5 sec or more
Oil pressure ≤ 15 PSI
Above idle:
- Oil pressure ≤ 40 PSI
When does the CKPT ALT annunciator illuminate?
Which color does it have?
AMBER
If cockpit pressure altitude exceeds 19.000’.
When does the MASTER WARN switchlight illuminate?
Which color is it?
RED
Illuminates whenever a RED annunciator on the annunciator panel illuminates.
When does the PMU STATUS annunciator illuminate?
Which color does it have?
AMBER
It illuminates 1 minute after landing (WOW-switch) if conditions that are not serious enough to revert the system to manual are encountered in flight.
If illuminated during flight it serves to notify the pilot of a WOW-switch malfunction – and the PMU will not revert to GND mode upon landing (Idle will be 67% on GND in this case).
When does the PMU FAIL annunciator illuminate?
Which color does it have?
RED
When PMU is switched to OFF.
If the PMU has an internal error.
When does the GEN annunciator illuminate?
Which color does it have?
RED
If the generator fails.
If the GEN switch is set to OFF
What is the definition of a “CAUTION” in the T6 -1?
CAUTION:
An operating procedure, technique, etc., which could result in damage to equipment if not carefully followed.
When does the M FUEL BAL annunciator illuminate?
Which color does it have?
GREEN
Illuminates whenever the fuel balancing switch is placed in MAN/RESET.
When does the DUCT TEMP annunciator illuminate?
Which color does it have?
AMBER
Whenever one of the two sensors in the ECS senses temperatures exceeding 300°F
When does the BUS TIE annunciator illuminate?
Which color does it have?
AMBER
When the bus tie fails.
When the BUS TIE switch is set to OPEN.
When does the BAT BUS annunciator illuminate?
Which color does it have?
RED
Whenever the battery or the battery bus fails.
When does the FUEL BAL annunciator illuminate?
Which color does it have?
AMBER
Illuminates whenever a fuel imbalance is not corrected to less than 30 pounds in 2 minutes.
Illuminates in case of a fuel probe failure (Accompanied by a FP FAIL in the alternate engine data display).
Illuminates if EDM fails
When does the OBOGS TEMP annunciator illuminate?
Which color does it have?
AMBER
Illuminates whenever the temperature in the OBOGS ducting exceeds 200°F
When does the ST READY annunciator illuminate?
Which color does it have?
GREEN
When PCL is moved to the auto start position.
When does the TAD OFF annunciator illuminate?
Which color does it have?
GREEN
Illuminates whenever the TAD is disengaged:
- Trim aid switch to off
- Use of the trim interrupt or trim disconnect switches
When does the CANOPY annunciator illuminate?
Which color does it have?
RED
When the canopy latch mechanism and micro-switches do not indicate the canopy in a closed and locked position.
When does the ANTI ICE annunciator illuminate?
Which color does it have?
GREEN
Whenever the probes anti ice switch is on.
When does the EHYD PX LO annunciator illuminate?
Which color does it have?
AMBER
Illuminates whenever the emergency accumulator pressure drops below 2.400 ±150 PSI.
When does the MASTER CAUT switchlight illuminate?
Which color is it?
AMBER
Illuminates whenever an AMBER annunciator on the annunciator panel illuminates.
What is the definition of a “NOTE” in the T6 -1?
NOTE:
An operating procedure, technique, etc., which is considered essential to emphasize..
When does the BOOST PUMP annunciator illuminate?
Which color does it have?
GREEN
Is manually illuminated when selecting BOOST PUMP switch to ON.
Is automatically illuminated when the low pressure switch in the fuel system senses pressure below 10 PSI (Then FUEL PX also illuminates),
or
whenever the starter is activated regardless of fuel pressure
Which annunciators illuminates during a “BAT BUS FAILURE”?
BAT BUS HYDR FL LO OIL PX PMU STATUS TRIM OFF
Which annunciators illuminates during “GEN BUS FAILURE”?
GEN BUS
FUEL BAL
TAD FAIL
TAD OFF
