关于自动着陆系统的问题

beikeha · 发表于 2009-10-22 20:04:23

今天被人问到了一个问题，不知道怎么回答。一般我们在碰到一些电子系统故障的时候，比如仪表着陆ILS，惯性参考IRS等，如果放飞前没有完成排故就要保留故障，同时将飞机AUTOLAND系统downgrade，比如CAT3降为CAT2。那么除了这些航电系统故障会导致autoland downgrade的,机械方面有没有部件故障也会导致自动着陆系统要降级的？
例如A340这种电传飞行控制系统的伺服组件(servo control unit)坏掉了会不会呢？

波音767 · 发表于 2009-10-22 22:02:37

不是很懂啊

a320av · 发表于 2009-10-23 02:40:42

在FM和FCOM 里面有表可以查的。另外凡是涉及到盲降的设备在MEL里应该有标注的。

scal320 · 发表于 2009-10-23 08:29:58

同意2楼！
机械部件失效也可能导致降级，比如方向舵配平的动作筒

beikeha · 发表于 2009-10-23 13:12:19

嗯，现在手头没MEL，fcom可以翻，过几天有资料了查查看。

yanyang5453 · 发表于 2009-10-31 16:32:30

不是很懂

yuhailong · 发表于 2009-10-31 20:52:11

你们好心人<div class=\"tal s3\">

yuhailong 于 2009-10-31 20:53 又补充说</div>哈哈是啊

虎里军军 · 发表于 2009-10-31 22:01:18

这个比较深奥

yly_meaning · 发表于 2011-5-21 12:04:48

能问一下mel fcom是什么动动吗？

flylicense · 发表于 2011-5-21 14:28:39

MEL: Minimum Equipment List 最低设备清单
FCOM: Flight Crew Operation Manual 机组操作手册
机械方面也有部件故障会导致自动着陆系统要降级的，例如：(就A330）
1、MEL:27-22-01A Rudder Trim System
(Maximum landing capability is CAT 3 SINGLE.)
2、 MEL:27-40-02A Stabilizer Actuator Electric Motor
 When the stabilizer actuator electric motor associated with PRIM 1 is inoperative:
Maximum landing capability is CAT 3 SINGLE.
3、MEL: 27-93-01A PRIM 1
The pair of spoilers 5 are not available. In that respect, for takeoff and landing performance
calculations:
Refer to OpsProc 27-64-01A Spoiler (one pair inoperative)
Maximum landing capability is CAT 3 SINGLE.
4、MEL: 27-94-01A SEC1
The pair of spoilers 6 are not available. In that respect, for takeoff and landing performance
calculations:
Refer to OpsProc 27-64-01A Spoiler (one pair inoperative)
Maximum landing capability is CAT 3 SINGLE.
5、MEL: 30-42-01A Window Heat Computer
FLIGHT PREPARATION/LIMITATIONS
 When the PF side is inoperative:
Maximum landing capability is CAT 1.
 When the PNF side is inoperative:
Maximum landing capability is not affected and is still CAT 3 DUAL.

6、MEL: 30-42-03A Front Windshield Heating
FLIGHT PREPARATION/LIMITATIONS
 When the PF side is inoperative:
Maximum landing capability is CAT 1.
 When the PNF side is inoperative:
Maximum landing capability is not affected and is still CAT 3 DUAL.
7、MEL: 30-45-01B Windshield Wip
FLIGHT PREPARATION/LIMITATIONS
 When the wiper and the rain repellent are inoperative or deactivated on the PF side:
Maximum landing capability is CAT 1.
8、MEL: 32-42-04A AUTO/BRK Function
FLIGHT PREPARATION/LIMITATIONS
Maximum landing capability is CAT 3 SINGLE.
9、MEL: 56-10-01A
56-10-01B Front Windshield
FLIGHT PREPARATION/LIMITATIONS
 When the PF side is affected:
Maximum landing capability is CAT 1.
 When the PNF side is affected:
Maximum landing capability is not affected and is still CAT 3 DUAL.
10、MEL: 73-25-01A Engine Interface and Vibration Monitoring Unit (one EIVMU inoperative)
FLIGHT PREPARATION/LIMITATIONS
The minimum idle on ground of associated engine is inoperative, Refer to Item 73-20-05 Minimum
Idle on Ground
The autothrust function is inoperative, Refer to Item 22-30-01 Engine Autothrust (A/THR)
Maximum landing capability is CAT 2.

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