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"Check your route and make sure there's nothing wrong going in the wrong direction." Yuan Zhenli was still uneasy to talk to the walkie-talkie, and not far from him was a large group of soldiers from the Naval Engineering Brigade, wielding shovels to clear a runway that had been circled out by ropes. Qingdao is not a mountainous area, but it is winter, the ground is everywhere in the air, there is a lack of references, it is impossible to determine whether the ground is flat and suitable for landing, even if the speed of the plane is slow, it is at least one or two hundred kilometers per hour, if there is something very uneven on the ground, even if it is a small mound or a small pit, it may make the plane take off and land to turn over. For this reason, the Naval Engineering Brigade specially dispatched a squadron of 100 people to assist in the tidying up of the runway.

Of course, this runway naturally cannot be compared with the special airport runway of the old world, and even the runway of the Xishan Air Base in Dongfang Port in this time and space is far from comparable, it is purely a smooth road, but it is only five meters wide and two hundred meters long. Unlike other snow fields, the snow on this track has been largely cleared, leaving only the dirt in its true color, and the 1,000-square-meter track stands out in the nearby snow. It is basically impossible to miss this runway during the day, but at night when there is a lack of sufficient light everywhere, it will be more dangerous for the plane to land, so in the initial battle plan, it has been strictly stipulated that the use of aircraft for combat at night has been strictly stipulated, all planes must land before 5 o'clock in the afternoon, and all planes are not allowed to take off after 4 o'clock. But there are exceptions to everything, and in order to make this runway accessible at night, the initial construction design also made targeted arrangements for this.

First of all, the engineering brigade installed two large searchlights on the pier platform on the big stone mountain to ensure that there were sufficient light conditions at night to prevent sneak attacks. The brightness of such mercury lights is so high that they can shine at a distance of three or four thousand meters after being reflected by mirrors, and the mercury searchlights on the top of the tower at Xisan Air Base can be seen visually even at night from 20 kilometers away. After installation, in addition to scanning open areas at night, it can also be used to illuminate the air to provide navigation for aircraft flying at night. In addition to searchlights, runway lights are installed on both sides of the runway to provide visual observation of aircraft landing in the air during landing. Although this construction project involving the night take-off and landing of the airport may not be used at all in this northward operation, the officers and men who carried out the construction are all meticulously carrying out the construction, because everyone knows that there is a case for everything, and if it is really necessary and cannot be used, then the losses caused will inevitably be immeasurable, and the accident in the Senate will be held accountable, and if it is chased to their own heads, they will absolutely not be able to bear it.

"Understood...... Ing...... Check ......" There was an intermittent sound on the walkie-talkie, and at this time the tent door was slammed up, and a gust of wind mixed with snowflakes blew directly into the tent, Yuan Zhenli and several naturalized civilian officers and soldiers couldn't help but look at the place where they entered, only to see Hong Jie striding in and saluting Yuan Zhenli with a big grin, "Comrade Yuan Zhenli." ”

Yuan Zhenli hurriedly returned the salute, although they were all veterans, but after all, they were all wearing military uniforms, and they were all in charge of their respective branches of the military at the moment, so naturally they couldn't just nod their heads and shake hands like they met in the Great Hall of the Senate. Hong Jie hurriedly turned around and closed the door of the tent again, and after making sure that no wind was blowing, he said to Yuan Zhenli, "Comrade Yuan Zhenli, it's already four o'clock in the afternoon, why did you send the plane out?" ”

"It's not five o'clock yet, and it's snowy, and even if the sun goes down early, it won't get dark until at least six o'clock." Yuan Zhenli said, "I didn't let them really fly to Taiyuan, but just did an adaptive flight in the air, which was the first time to fly in the ice and snow weather in the north." ”

"Is that so? But I think we're pretty much done, right? Now that the day's maximum temperature has passed, and the rest of the day will only get colder and colder, why don't you just call them back now? Hong Jie said, "You must know that as soon as the temperature is low, the wings are likely to freeze, even if there is a special pump that can send the hot coolant to the wings to melt the ice, it will not be able to prevent nature from cooling you." ”

"Yes, yes, but there's still about an hour to go, let them fly a little longer. Today they were given a task to map the surrounding area. Yuan Zhenli said, and at the same time picked up the walkie-talkie and asked inside, "How is the wing icing?" ”

"I can't hear you...... Please...... Repeat ......" The intermittent voice came again, and Yuan Zhenli had to say it again, but there was no news at all on the other side, which made him frown, "Lin Jinlai!" Did you hear that? Did you hear that? Please reply! There was still no response on the intercom, only the sound of squeaky interference.

"Is something wrong?" Yuan Zhenli's heart tightened, originally he wanted to go in person for the first time the northbound brigade took off, but because the veterans unanimously said that he, as a veteran and the commander-in-chief of the air force, was not suitable for rashly taking off without ascertaining safety, he had to dispel this idea under a persuasion.

But he is very resistant to this kind of remarks, yes, he is the commander-in-chief of the Senate Air Force, and he is a veteran, but after all, he is a pilot, he has been exposed to all kinds of training in the old world, and he is the only one in the entire Senate who has an aircraft license, if you want to confirm whether this place is suitable for aircraft flight, he should be the first to do so.

"Probably not," Hong Jie said, "You're using groundwave transmission now, right?" Yuan Zhenli nodded, "Yes, they reported the latitude and longitude before, I have seen it, it should be in the area between Laiwu and Xintai, and the distance should be about two hundred kilometers from here." ”

"Two hundred kilometers, we have reached the limit of ground wave transmission, try the sky wave?" Hong Jie said curiously, all the naturalized people around him were confused, for them, all the techniques that the patriarchs used now were miraculous, and it was already inconceivable that they could speak freely for hundreds of kilometers, and there was actually something called Tianbo?

Yuan Zhenli waved his hand and said to a naturalized civilian non-commissioned officer next to him, "Send a telegram to notify the plane to switch to the shortwave frequency band." The non-commissioned officer didn't say much, but pressed on the telegraph transmitter keyboard in a rhythmic motion. After a while, he listened to the staccato electronic sound coming from the headphones with his ears sideways, then raised his head and said, "Chief, they have switched to the shortwave frequency. ”

Yuan Zhenli nodded, slowly toggling on the regulator, and soon a voice came from the walkie-talkie again, "Qingdao Airport!" Qingdao Airport! I'm a hundred-tongued, please reply, please reply! ”

The people in the room were all smiling, and Yuan Zhenli hurriedly replied, "I'm Qingdao Airport, Baizu, you can already return, please confirm that you can receive the navigation wireless signal!" ”

Lin Jinlai's headset came from the voice of the backseat operator, "Team Lin, the airport asked us to confirm that the navigation signal is correct." ”

"How many times have you confirmed this?" Lin Jinlai muttered a little unhappily, but still glanced at the navigation light. In order to ensure flight navigation on the aircraft, a wireless navigation receiver is specially installed, in fact, this receiver is very simple, that is, two sets of antennas, located in the nose and tail respectively, once the wireless navigation signal is received, it will turn on, when the signal is weak, the yellow light will be lit, and the green light will be turned on when the signal is strong. When flying in the direction of the navigation transmitter, the tail navigation light will be lit up, and when flying towards the navigation transmitter, the nose navigation light will be on. Now the rear navigation light is on a big green light, and he pressed the microphone and said loudly, "Confirm it's done, the direction is right!" ”

"Okay," the backseat operator also said loudly, "just received an order to turn back." ”

"Oh! That's not bad," Lin Jinlai muttered again, and then said, "Understood, receive the order, and prepare to sail back!" He said and began to turn the joystick.

In fact, there are still a lot of navigation equipment on the plane, first of all, of course, this kind of radio automatic navigation system, but everyone knows that the accuracy of the radio is really not good, especially now that it is just in the development stage, it is simply a matter of luck. Therefore, every pilot is trained in longitude and latitude positioning by theodolite, and the accuracy rate is required to be no less than 90 percent. In addition to theodolite, compasses and general maps are also very important, and at least navigating through a compass and map is a must for every pilot.

The plane adjusted its direction in the air, and soon turned in the direction of Qingdao, at least now the green light on the nose of the navigator. "Alright, we're in the right direction now and we're heading back."

"Understood." The operator in the back seat hurriedly replied. Although the number of equipment of the Mozu is only in single digits, its model has changed several times, from the pure trainer type at the beginning, to the ground attack type against Annan, and now it has developed a number of types of aircraft such as long-range reconnaissance and ground attack bombing type, which still use a unified Mozu body, but the functions have been very different. For example, the hundred-tongue that Lin Jinlai is on now belongs to the long-range reconnaissance type. The reconnaissance aircraft has basically removed the attack weapons, the rocket nests on the two wings and the six small aerial bomb pylons under the belly of the bomber have been removed, leaving only a backseat aviation machine gun, this machine gun uses a Type 1629 light machine gun, this machine gun still uses a seven-mm cloth chain for loading, and can only carry two cartridge belts with 100 rounds each on duty. Compared with the Type 1628 machine gun, the Type 29 light machine gun is not only lightweight, but also has good shooting continuity, and because it is mainly fired in the air, the heat sinks on both sides of the barrel are easily absorbed by the cold air in the air after heating up, and the probability of needing to replace the barrel is even lower - not to mention that the plane does not carry a spare barrel at all, and the main role of the reconnaissance type is as its name suggests, that is, it comes out to reconnoitre, first reconnoitre, shoots at the enemy after reconnaissance, and returns after two hundred rounds of ammunition, It doesn't have to bear much ground attack missions.

Because the weight of the reconnaissance type is nearly 600 kilograms less than that of the ground attack bombing type, the reconnaissance plane's stay time in the air is quite long and fast, and it has even surpassed the previous ordinary type's 217 kilometers per hour, and the current record has reached 245 kilometers per hour, and the maximum air stay time can reach more than six hours. Thanks to the addition of de-icing equipment to the wings, it is also possible to melt the ice during flight, reducing the weight of the aircraft and allowing the aircraft to have a longer range. The Senate also has high hopes for this reconnaissance type, and has specially added a variety of communication tools such as wireless transmitters and radio communication equipment to the reconnaissance type, and even a small communication center in the air can be formed through the communication equipment carried on the fuselage, so as to ensure that it can flexibly deploy multiple batches of flight missions in the air. This is also the reason why the reconnaissance type of aircraft should be equipped with two people, when the pilot in the front seat is driving the flight without hesitation, the operator in the back seat has no need to control the aircraft to fly, and his task is to deploy and interact with the information and resources needed in the battle through radio.

Obviously, it is unrealistic for a person to control the entire battlefield in the air, so behind the operator there is also the entire North Brigade Command in the control, his main responsibility is focused on transmission, if there is something that needs to be decided on the spot, he can also make corresponding adjustments after discussing with the pilot or the rear command, all in all, the operator's power is quite high, so the operator in the back seat can be said to be very promising.

Lin Jinlai sighed for the twentieth time, he was basically the first batch of pilots to enter the Air Force, compared to other personnel who could only work on the ground, in addition to maintaining the aircraft every day, they were only left with the work of cleaning the airport and loading ammunition, just a group of small followers. But he is the pride of the sky, he can fly an airplane to the sky, and he is also a "seasoned pilot" personally trained by Yuan Zhenli and He Luolong, which can be seen from letting him fly on the first flight to the north.

"We are only about ...... away from Qingdao Airport" The operator in the back seat looked at the scale of the theodolite, compared the data on the map, and said loudly, "It should be within 50 kilometers!" ”

Although this reconnaissance aircraft was changed from the body of the Mozu, there were still some changes in appearance, especially in the rear seat operator position, first of all, the cockpit was widened, the main purpose was to increase the activity space, so that the operator could freely spread out the A3-sized map and flexibly use the telescope to observe the fuselage from two to ten o'clock. This improvement made the rear of the cockpit of the aircraft appear to have a transparent tumor, so this reconnaissance type was also nicknamed "swollen head moth" by naturalized people.

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