Autoland Status Annunciators

Autoland Status Annunciators

ASA test 1 ASA test 2
Push/Reset (P/RST) Switch

PUSH - resets both pilots annunciators as follows:

Autoland Status Annunciator (upper-green)

(blank) - Normal

Land 3
  • indicates all 3 autopilot systems, with their airplane system inputs, are operating normally.
  • appears below 1500 ft radio altitude with LOC and G/S captured.
LAND 2 NO LAND 3
  • indicates a minimum of 2 autopilot systems, with their airplane system inputs, are operating normally.
  • appears below 1500 ft radio altitude with LOC and G/S captured.
Autoland Status Annunciator (lower-amber)

(blank) - Normal

No Autoland
  • indicates fault conditions exist which preclude the use of the autopilots for an automatic landing.
No Land 3
  • indicate a fault condition exist which results in a LAND 2 annunciation.
Test Switch

(push to test) Provides a test of the ASA display:

Test 1 Test 1 - LAND 3 and NO LAND 3 appear in upper and lower ASA respectively. Test 2 Test 2 - LAND 2 and NO AUTOLND appear in upper and lower ASA respectively.