TM 55-1510-215-10
The highest priority message will be announced first. If
Will be repeated three times at four
a higher priority item is received after a message is
second intervals.
started, voice annunciation of the higher priority
20. "Altitude, altitude" at excessive
message shall be announced after a lower priority
deviation from altitude selected on
message in progress at the end of the message
the altitude alerter.
segment. It will not stop in the middle of a word. On
messages that are repeated three times at four second
21. "Check trim" when trim failure has
intervals, the priority list will be scanned for higher
occurred. Will be repeated three
priority messages and will insert them in the interval
times at four second intervals.
between the messages. The messages provided by the
22. "Autopilot" when
autopilot
has
system are listed in descending order of priority as
disconnected.
follows:
The highest priority message will be announced first.
1. "Two thousand" at 2000 feet AGL.
If a higher priority item is received after a message has
2. "One thousand" at 1000 feet AGL.
been started, voice annunciation of the higher priority
message shall immediately override the lower priority
3. "Nine hundred" at 900 feet AGL.
message in progress at the end of the message
4. "Eight hundred" at 800 feet AGL.
segment. It will not stop in the middle of a word. On
messages that are repeated three times at four second
5. "Seven hundred" at 700 feet AGL.
intervals, the priority list will be scanned for higher
priority messages. If found, they will be inserted into the
6. "Six hundred" at 600 feet AGL.
interval between the messages.
7. "Five hundred" at 500 feet AGL.
b. Normal Operation.
8. "Check gear" will be announced
(1) Turn-on procedure.
The GPAAS is
immediately
after
500
foot
operable when the following conditions have been met:
announcement if gear is not down.
9. "Four hundred" at 400 feet AGL.
1. Battery switch - ON.
2. Avionics master switch - On.
10. "Check gear" will be announced
immediately
after
400
foot
3. G.P.A.A.S. POWER circuit breaker
announcement if gear is not down.
- SET.
11. "Three hundred" at 300 feet AGL.
4. RADIO ALTM circuit breaker - SET.
12. "Check gear" will be announced
5. VA FAIL annunciator
light
-
immediately
after
300
foot
Extinguished.
announcement if gear is not down.
(2) GPAAS ground check.
13. "Two hundred" at 200 feet AGL.
1. GPAAS voice advisory VOL control
14. "Check gear" will be announced
- Full clockwise.
immediately
after
200
foot
announcement if gear is not down.
2. VOICE OFF
switch-indicator
-
Extinguished.
15. "One hundred" at 100 feet AGL.
3. Audio control panel - Set listening
16. "Check gear" will be announced
audio level.
immediately
after
100
foot
announcement if gear is not down.
4. VA FAIL annunciator
light
-
Extinguished.
17. "Minimum, minimum" at decision
height.
5. Radio altimeter DH SET control -
Set to 200 feet.
18. "Localizer" at 1.3 to 1.5 dots either
side of center of beam. Will be
6. Radio altimeter TEST switch - Press
repeated three times at four second
and hold. "Minimum, minimum" will
intervals.
be annunciated once followed by
the illumination of the VA FAIL light.
19. "Glideslope" at 1.3 to 1.5 dots above
or below center of beam.
Change 9 3-41
