题目内容
（请给出正确答案）
[主观题]
什么是地图目视分析？通过目视分析方法可获得地图哪些方面的信息？
答案
（1）除经管制单位特殊批准外，目视飞行规则飞行只允许在中低空空域内实施。
（2）只有气象条件不低于下列标准之一时，航空器驾驶员方可按目视飞行规则飞行：
1）除本项2）、3）规定外，在修正海平面气压高度3千米（含）以上，能见度不小于8千米；修正海平面气压高度3千米以下，能见度不小于5千米；距云的水平距离不小于1500米，垂直距离不小于300米；
2）除运输机场空域外，在修正海平面气压高度900米（含）以下或离地高度300米（含）以下（以高者为准），如果在云体之外，能目视地面，允许航空器驾驶员在飞行能见度不小于1600米的条件下按目视飞行规则飞行。但必须符合下列条件之一：
a）航空器速度较小,在该能见度条件下，有足够的时间观察和避开其他航空器和障碍物，以避免相撞；
b）在空中活动稀少，发生相撞可能性很小的区域；
3）在符合本项2）规定的条件下，允许直升机在飞行能见度小于1600米的条件下按目视飞行规则飞行。
(1) In China, VFR operations are only allowed in medium and lower airspace unless otherwise approved by ATC units.
(2) In China, Aircraft operating under VFR shall meet the following meteorological conditions: the horizontal distance and vertical distance between aircraft and clouds shall not be less than 1500m and 300m respectively; for flights at 3000m or above, visibility shall not be less than 8km, while for flights below 3000m visibility shall not be less than 5km.
(3) In China, Except the transport airport airspace, 900 m (inclusive) QNH and below or 300 m (inclusive) AGL and below (whichever is higher), if the aircraft is out of cloud and the ground is visually contact, the pilot is allowed to conduct VFR flight provided the flight visibility is no less than 1600 m and one of the following conditions is met:
1) The aircraft speed is relatively low, and the pilot has enough time to observe and avoid other aircraft and obstacle under that visibility conditions;
2) Traffic is rare in flight and the possibility of collision in the area is very low.
(4) Provided the conditions in (3) are met, the rotorcraft is allowed to operate under VFR with a flight visibility less than 1600m.
（2）只有气象条件不低于下列标准之一时，航空器驾驶员方可按目视飞行规则飞行：
1）除本项2）、3）规定外，在修正海平面气压高度3千米（含）以上，能见度不小于8千米；修正海平面气压高度3千米以下，能见度不小于5千米；距云的水平距离不小于1500米，垂直距离不小于300米；
2）除运输机场空域外，在修正海平面气压高度900米（含）以下或离地高度300米（含）以下（以高者为准），如果在云体之外，能目视地面，允许航空器驾驶员在飞行能见度不小于1600米的条件下按目视飞行规则飞行。但必须符合下列条件之一：
a）航空器速度较小,在该能见度条件下，有足够的时间观察和避开其他航空器和障碍物，以避免相撞；
b）在空中活动稀少，发生相撞可能性很小的区域；
3）在符合本项2）规定的条件下，允许直升机在飞行能见度小于1600米的条件下按目视飞行规则飞行。
(1) In China, VFR operations are only allowed in medium and lower airspace unless otherwise approved by ATC units.
(2) In China, Aircraft operating under VFR shall meet the following meteorological conditions: the horizontal distance and vertical distance between aircraft and clouds shall not be less than 1500m and 300m respectively; for flights at 3000m or above, visibility shall not be less than 8km, while for flights below 3000m visibility shall not be less than 5km.
(3) In China, Except the transport airport airspace, 900 m (inclusive) QNH and below or 300 m (inclusive) AGL and below (whichever is higher), if the aircraft is out of cloud and the ground is visually contact, the pilot is allowed to conduct VFR flight provided the flight visibility is no less than 1600 m and one of the following conditions is met:
1) The aircraft speed is relatively low, and the pilot has enough time to observe and avoid other aircraft and obstacle under that visibility conditions;
2) Traffic is rare in flight and the possibility of collision in the area is very low.
(4) Provided the conditions in (3) are met, the rotorcraft is allowed to operate under VFR with a flight visibility less than 1600m.
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