Listening to the chief's words, Zheng Quanli was not surprised, because Hong Shengli's report had already put forward his own opinions on other applications of drones, including topographic mapping.

Judging from the UAV's practical ceiling of 9,000 meters, its cruising time of more than four hours, and its payload of up to 180 kilograms, it does have the potential to complete terrain mapping, but it is ......

"Chief, the specific situation, I would like to see the real thing being judged, of course, most of us are not professional in this regard, it is best to invite an expert from the Aerial Surveying and Mapping Brigade to come over, so that it may be safer." ”

The chief thought for a while and nodded: "Well, it's appropriate for you to think about it this way, after all, the nature of the tasks of meteorological monitoring and aerial surveying and mapping is different, and the requirements for the platform must be different...... Grace ......"

As he spoke, the chief paused, then picked up the teacup and took a sip, then raised his head and looked at Zheng Quanli: "But anyway, the drone of the Xingzhou army is a good way, and now the headquarters is in a hurry to get a new map, we don't need to hide it, in this way, you go back and get a feasibility report on drone surveying and mapping, I will sign it, I think the headquarters will pay attention to it." ”

......

The chief is right, after receiving the report from the military region, the headquarters really attaches great importance to it, more precisely, it has to pay attention to it, there is no way, topographic surveying and mapping is already tight and the task is heavy, at this juncture, an Il-18 used for surveying and mapping is lying on its stomach.

In desperation, the headquarters could only use stupid methods to mobilize the surveying and mapping brigades of various subordinate units, hoping to make up for the dilemma of the lack of a platform with manpower.

It's a pity that sometimes, the gap between the weak manpower and the huge technical advantage is really big, although the Il-18 is old, but with imported topographic mapping equipment, it can complete the accurate mapping of 6,000 square kilometers in half a day.

For the same range, it would take at least three surveying and mapping teams of 80 people to work day and night for nearly a month to complete.

The entire East China and South China regions are not more than 1 million square kilometers, even if all the surveying and mapping brigades of the whole army are filled in, and it will not be completed in one or two years.

The problem is that the maps in the hands of the troops are on the verge of obsolescence, and some places have already begun to affect normal military activities.

Therefore, in addition to racking their brains to find a way to do so, the surveying and mapping department of the General Headquarters attaches great importance to any other units and fraternal units that can help improve the efficiency of surveying and mapping.

In the people's war, we must pool our wisdom.

So after receiving Zheng Quanli's report, he transferred it to the Aerial Surveying and Mapping Brigade without thinking about it, and soon the Aerial Surveying and Mapping Brigade sent their aeronautical engineer Xue Weidong to the field to see the situation.

In this regard, Xue Weidong has become numb, there is no way, he has done similar on-site inspections in the past few days, and he can't even count himself.

Yun 5, Yun 7, Yun 8, he has seen it all, among which the most recent successful is the modification of the Yun 8, as a result of which they conducted several test flights of the Yun 8 and found that the Yun 8 has no ballast design, which limits the use of the aircraft at high altitude, and even in some respects is not as good as the high-altitude performance of the Il-18 with a ballast cabin.

This made the aerial survey and mapping brigade, which undertook multiple tasks, reluctant to give up.

They then turned their attention to the Trident, which had already been delivered to civil aviation, because it was a large and medium-sized aircraft, as well as its flight performance, and even its potential for modification were well suited to the needs of the aerial mapping team.

It's just that as soon as this idea came out, it was rejected by the higher-level leaders, and the reason is very simple: since the end of the 70s, there have been many accidents with this aircraft, and there have been no less than two deaths in the plane alone.

Nowadays, both the Air Force and civil aviation are gradually phasing out this model, and even if their aviation mapping brigade can't use the new model, they can't afford to use something that is ready to be eliminated because of poor safety.

Although the "Trident" passenger plane is not good, Xue Weidong did not give up continuing to look for it in civil aircraft, for example, they set their sights on the Boeing 707 and McDonnell Douglas 80 civil airliners imported from the United States some time ago.

For this reason, they also submitted a detailed feasibility report to their superiors, and their superiors were also very supportive, but before they could make any moves, people from Boeing and McDonnell Douglas came to the door.

They first took out the civilian procurement contract, pointed to the clause prohibiting military use on it, and told Xue Weidong that civilian airliners are civilian, and without their consent, the user country cannot carry out militarized modifications at will, otherwise they will cancel the post-maintenance and spare parts supply of the models sold according to the contract.

Xue Weidong didn't care about the contract or something, they spent money to buy the plane, and it was not up to them to decide how they wanted to use it? But if the maintenance and supply of spare parts are cut off, it will be fatal, there is no way, many of the equipment on the aircraft is blank in China, and the simple maintenance is fine, and the complex overhaul has to be returned to the factory in the United States to do it.

Seeing Xue Weidong and the others wilting, the Americans immediately changed their gears, took out a large amount of information on the special aircraft modified for the United States, and said to Xue Weidong and others, why do you have to work so hard, just buy our modified planes, which are world-class, do not blow or black, and only need 60 million US dollars each, which is guaranteed to allow the Chinese Air Force to enjoy the thrill of modernization.

The data is very exciting, and the performance is also eye-catching, but it's a pity that the price is ...... It is not enough to pack and sell Xue Weidong and the others, and if a plane is 60 million US dollars, how much will the Air Force spend for the whole year?

As a result, the idea of modifying foreign airliners can be regarded as completely blocked.

So Xue Weidong and others got the Changkong-1 UAV used for the Air Force equipment test, after all, from the perspective of range, this kind of UAV of more than 500 kilometers is still very considerable.

After taking it and modifying it, I tested it several times, and the effect can not be said to be no, at least it is higher than the efficiency of manual surveying and mapping, but the endurance time of more than an hour is too little, not to mention, the landing method of hard landing is even more torturous, and the terrain surveying and mapping equipment installed is imported precision instruments, which cannot withstand the fall at all.

As a result, due to the nature of its original target aircraft, the long-altitude UAV was designed to be very unrestrained, so every time the detection equipment was disgraced by the rough landing method of the long-altitude UAV, after two or three sorties, the sensitivity of the detection equipment was greatly reduced even if it was not scrapped.

In addition, the failure rate of the turbojet 6 jet engine carried on it is still very high, and each survey needs a lot of maintenance personnel to accompany it, not to mention, the fuel consumption is also amazing, not to mention inconvenient, and the cost of use is still high, so that Xue Weidong now has a headache as soon as he hears the words of the drone.

Now that he has received the task of going south, he is still looking at drones, Xue Weidong's brain is about to crack, and he can't even use the long-altitude series of drones in the army that represent the advanced level in China, what other drones can meet the requirements of the aviation surveying and mapping team?

It's a pity that the order of his superiors insists that he go, so let's go and see, anyway, I have gone to so many places, and it is not bad for this one......

Sitting in the swaying jeep, Xue Weidong couldn't stop thinking......