Beechcraft C-12C Operator And Technical Reference Manual page 559

2. "One thousand" at 1000 feet AGL.
3. "Nine hundred" at 900 feet AGL.
4. "Eight hundred" at 800 feet AGL.
5. "Seven hundred" at 700 feet AGL.
6. "Six hundred" at 600 feet AGL.
7. "Five hundred" at 500 feet AGL.
8. "Check gear" will be announced
immediately after
announcement if gear is not down.
9. "Four hundred" at 400 feet AGL.
10. "Check gear" will be announced
immediately after
announcement if gear is not down.
11. "Three hundred" at 300 feet AGL.
12. "Check gear" will be announced
immediately after
announcement if gear is not down.
13. "Two hundred" at 200 feet AGL.
14. "Check gear" will be announced
immediately after
announcement if gear is not down.
15. "One hundred" at 100 feet AGL.
16. "Check gear" will be announced
immediately after
announcement if gear is not down.
17. "Minimum, minimum"
announced at decision height.
18. "Localizer" will be announced at 1.3 to
1.5 dots either side of center of beam.
Will be repeated three times at
4-second intervals.
19. "Glideslope" will be announced at 1.3
to 1.5 dots above or below center of
beam. Will be repeated three times at
4-second intervals.
20. "Altitude, altitude" will be announced
at excessive deviation from altitude
selected on the altitude alerter.
operable when the following conditions have been
met.
the 500 feet
the 400 feet
the 300 feet
the 200 feet
the 100 feet
will be
operates in the following modes of operation.
(Mode 1).
indicates that the aircraft is at a radio altitude of 2000
feet AGL.
information from the radio altimeter is lost, during
21. "Check trim" will be announced when
trim failure has occurred.
repeated three times at 4-second
intervals.
22. "Autopilot" will be announced when
autopilot has disconnected.
b. Normal Operation.
(1) Turn On Procedure.
1. Battery switch – ON.
2. Avionics master switch – ON.
3. GPAAS POWER circuit breaker – Set.
4. RADIO ALTM circuit breaker – Set.
5. VA FAIL
Extinguished.
(2) GPAAS Ground Check.
1. GPAAS voice advisory VOL control –
Full clockwise.
2. VOICE OFF
Extinguished.
3. Audio control panel – Set listening
audio level.
4. VA FAIL
Extinguished.
5. Radio altimeter DH SET control – Set
to 200 feet.
6. Radio altimeter TEST switch – Press
and hold. "Minimum, minimum" will
be annunciated once followed by the
illumination of the VA FAIL light.
7. Radio altimeter
Release.
c. GPAAS Modes of Operation. The GPAAS
(1) Aural "Two
The aural advisory "Two Thousand"
This advisory is cancelled when valid
TM 1-1520-218-10
Will be
The GPAAS is
annunciator light –
switch-indicator –
annunciator light –
TEST switch –
Thousand" Advisory
3C-205