CN105761020A - Method of improving long runway airplane takeoff safety margin - Google Patents
Method of improving long runway airplane takeoff safety margin Download PDFInfo
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Abstract
Provided is a method of improving a long runway airplane takeoff safety margin, comprising: preparing flight airplane technical data; an airplane driver driving an airplane to perform sliding operation, and other members in a pilot set observing the length of a runway used by the airplane, and monitoring the real sliding speed of the airplane; determining whether the state of the airplane is proper; continuing sliding operation until the airplane gets off the ground; determining whether the present real sliding speed of the airplane is less than a decision speed V1; abandoning takeoff, and parking the airplane on the runway; continuing determining whether the present real sliding speed of the airplane is less than a decision speed V1+delta V; and determining whether the airplane possesses a takeoff capability. The method can expand air pilot determination spaces, and time and speed resources, improve a safety margin, reduce major accidents, facilitate organization rescue, create conditions for timely and active rescue, reduce a situation deterioration probability, guarantee airline company and passenger life and property safety, fully utilize long runway resources and improve a guarantee capability.
Description
Technical field
The invention belongs to Computer Control Technology field, particularly relate to a kind of long runway that can improve and board a plane the method for margin of safety of taking off.
Background technology
At present, the runway of general International airport is all long, therefore, it is possible to receive the flight of institute's organic type to take off and landing, including ultra-large type international flight aircraft and numerous domestic flight aircrafts.The type of general domestic medium or short range flight aircraft is all little than the type of international flight aircraft a lot, therefore that the requirement of landing airdrome length is also lower.Table 1 illustrates, the common type aircraft of current part runway data needed for it.
Runway data needed for the common type aircraft of table 1. part
(reference standard: the actual landing airdrome length in certain International airport 3600 meters)
It addition, the length of common International airport runway is generally 3,200 4000 meters, for 3600 meters, it is able to receive that international flight aircraft and domestic flight aircraft, it is well known that the more long margin of safety of runway is more big, the situation of high-altitude aerodrome is also such, and simply length requirement proportionally increases.
Landing airdrome length is a kind of secure resources that aircraft moves, and current all flight aircrafts its Mechanical Reliability whether great or small is all significantly high, and intensity is also higher, therefore, it is possible to keep the integrity of fuselage in ground motion.General medium or short range domestic flight aircraft, both can run under normal circumstances in the long runway of large-scale International airport, it is also possible to run on the runway on the medium and small airport of the endemicity that conformance with standard and length are shorter.Therefore, compared with dash road, the margin of safety of long runway is relatively larger, and long runway also has sufficient space to judge and brake for emergency with time resource.
General aircraft pilots carries out technique drill according to the standard of type self defined, that is the aircraft of medium or short range takes off in long runway and also operates according to the application plan of dash road.It is in operation and needs to consider putting on record of the accident that prevents an accident, fortuitous event walk with stopping (Go/NotGo) that to operate separation be speed of decision V1, it is generally corresponding to 60% length of the theoretical nominal runway himself needed, its regulation is, if contingency occurs, when the aircraft actual sliding speed on runway is lower than speed of decision V1, then should abandon take off (NotGo)；If contingency occurs, when the aircraft actual sliding speed on runway is more than speed of decision V1, then require aircraft pilots's continued takeoff (Go), therefore the pilot having just falls the aircraft not having flight performance outside runway, domestic have at least two such major break downs in history, external also have a lot of such major break down, and loss is serious.
Requirement according to operation rule, in the scope on airport, during generation emergency, fire fighting truck must arrive within 1 minute, and beyond the scope of airport, fire fighting truck is just uncertain up to situation, if therefore flight aircraft breaks down and needs promptly to abandon taking off, it is clear that, if being rested in by aircraft within the scope of airport, margin of safety will be made to improve.
Therefore long runway gives all of aircraft, all creates including medium or short range domestic flight aircraft and can provide the space of use, time and speed resource；That is, aircraft in the space buffer of runway, speed allowance, judge that argin all adds accordingly, 4th row and the margin of safety shown in data in the 5th row in the numerical value increased and table 1, the foundation of its calculating is, landing airdrome length allowance often increases by 20%, then speed allowance with judge that operating time allowance can increase by 10%.In emergency circumstances, it is desirable to the response time of pilot, at about 2 seconds, takes off and judges and the nominal value of operation, also contains the nargin of 3 seconds.
Such as, A380 and B747-400 aircraft is all superjumbo plane, is generally carried out international flight task, and its sliding race time on runway is substantially at 40 seconds, if the allowance of existence 10%, the then actual judgement adding rich 4 seconds and operating time；As a same reason, for the medium or short range flight aircraft of aerial mission in state of enforcement, such as A320, B737, C919, E190, ARJ21, MA60, they sliding race times on runway are about 20-30 second, often increase by the nargin of 10%, it will have the slack time of 2 to 3 seconds, if there being the margin of safety of 30%, then have the slack time of 6 to 9 seconds, say, that there is relatively larger buffer resource.
From the casualty data of international air transport, some case exactly when taking off at that time aircraft abnormal, replan return after taking off with training predetermined operation according to original operation, unexpected crash.If the buffer time giving several seconds, rest within runway or airport scope by airplane emergency brake, then situation about crashing can significantly be improved and even avoids more.The domestic major casualties case having at least 3 flights to take off failure of China in the past.
The flight aircraft substantially medium or short range that current domestic common International airport takes off occupies the majority, but these medium or short range flight aircrafts Shortcomings part in take off abnormal judgement and process, namely do not take into full account and utilize margin of safety and the resource of long runway.Further, since major part flight aircraft is not fully loaded, carrying rate only has about 80%, therefore the demand of landing airdrome length also can correspondingly be reduced.Iff the normal data according to its type defined, extremely in emergency circumstances, it is left out the runway safety allowance of reality, mechanically perform according to former type standard, it is possible to aircraft can be made to get into a difficult position, increase the risk worsening situation, increase rescue difficulty, expand the degree of life and property loss.
Summary of the invention
In order to solve the problems referred to above, it is an object of the invention to provide a kind of long runway that can improve and board a plane the method for margin of safety of taking off.
In order to achieve the above object, the long runway that can improve provided by the invention is boarded a plane the following step that the method for margin of safety includes carrying out in order that takes off:
1) pilot crew and air traffic control person prepare flight aircraft technical data at that time, including weight information, landing airdrome length used, the numerical value of speed of decision V1, runway used physical length, fill in this flight log data storehouse, and repeated by pilot crew, then by captain's batch operation and monitoring data role；Simultaneously at the edge of runway every 500 meters of labellings one section；
2) aircraft pilots drives an airplane and starts taxi operation on runway, and other member of pilot's unit utilize above-mentioned labelling to observe according to the rules landing airdrome length that this aircraft uses also monitors the actual sliding speed of aircraft；
3) judge that aircraft state is whether suitable, if aircraft state is suitable, enter next step 4), otherwise proceed to step 5)；
4) continuing taxi operation, until leaving ground, this has taken off；
5) judge that whether the actual sliding speed of now aircraft is less than speed of decision V1, if it is judged that be yes, enter step 6), otherwise proceed to step 7)；
6) abandon taking off, brake, control the aircraft direction of motion on runway, aircraft is rested on runway as far as possible；
7) whether the actual sliding speed judging now aircraft is continued less than speed of decision V1+ △ V, △ V is speed nargin, if it is judged that be yes, returns step 6), otherwise enter step 8), now aircraft pilots has obtained the space of affluence, speed, argin；
8) judge whether aircraft has the ability of taking off, if it is judged that be yes, take off and leave ground, request rescue, plan is maked a return voyage, and proceeds to step 4 afterwards)；Otherwise proceed to step 6).
Provided by the invention can improve in long runway, take off the beneficial effect of the method for margin of safety: the judgement space of aircraft pilots, time and speed resource can be extended, improve safety allowance.Reduce the chance that major accident occurs；It is easy to tissue rescue, creates conditions to rescue in time, actively；Reduce the state of affairs and worsen probability；For the security of the lives and property of airline Yu passenger, performance long runway resource improves supportability；Meet trouble-saving principle, when not reducing the safety required by former type aircraft, improve margin of safety, improve prestige and the market competitiveness of airport and airline；The air transportation comprehensive technical level that lifting is supported by real data.
Accompanying drawing explanation
Fig. 1 is that the long runway that can improve provided by the invention is boarded a plane the method flow diagram of margin of safety of taking off.
Labelling schematic diagram on runway when Fig. 2 is adopt the inventive method.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, board a plane the take off method of margin of safety of long runway that can improve provided by the invention is described in detail.
As it is shown in figure 1, the long runway that can improve provided by the invention is boarded a plane the following step that the method for margin of safety includes carrying out in order that takes off:
1) pilot crew and air traffic control person prepare flight aircraft technical data at that time, including weight information, landing airdrome length used, the numerical value of speed of decision V1, runway used physical length, fill in this flight log data storehouse, and repeated by pilot crew, then by captain's batch operation and monitoring data role；Simultaneously as shown in Figure 1 at the edge of runway 1 every 500 meters of labellings one section；
2) aircraft pilots drives an airplane and starts taxi operation on runway, and other member of pilot's unit utilize above-mentioned labelling to observe according to the rules landing airdrome length that this aircraft uses also monitors the actual sliding speed of aircraft；
3) judge that aircraft state is whether suitable, if aircraft state is suitable, enter next step 4), otherwise proceed to step 5)；
4) continuing taxi operation, until leaving ground, this has taken off；
5) judge that whether the actual sliding speed of now aircraft is less than speed of decision V1, if it is judged that be yes, enter step 6), otherwise proceed to step 7)；
6) abandon taking off, brake, control the aircraft direction of motion on runway, aircraft is rested on runway as far as possible；
7) whether the actual sliding speed judging now aircraft is continued less than speed of decision V1+ △ V, △ V is speed nargin, if it is judged that be yes, returns step 6), otherwise enter step 8), now aircraft pilots has obtained the space of affluence, speed, argin；
8) judge whether aircraft has the ability of taking off, if it is judged that be yes, take off and leave ground, request rescue, plan is maked a return voyage, and proceeds to step 4 afterwards)；Otherwise proceed to step 6).
Claims (1)
1. one kind can be improved long runway and boards a plane the method for margin of safety of taking off, it is characterised in that: the described long runway that can improve is boarded a plane the method for margin of safety of taking off, the following step including carrying out in order:
1) pilot crew and air traffic control person prepare flight aircraft technical data at that time, including weight information, landing airdrome length used, the numerical value of speed of decision V1, runway used physical length, fill in this flight log data storehouse, and repeated by pilot crew, then by captain's batch operation and monitoring data role；Simultaneously at the edge of runway (1) every 500 meters of labellings one section；
2) aircraft pilots drives an airplane and starts taxi operation on runway, and other member of pilot's unit utilize above-mentioned labelling to observe according to the rules landing airdrome length that this aircraft uses also monitors the actual sliding speed of aircraft；
3) judge that aircraft state is whether suitable, if aircraft state is suitable, enter next step 4), otherwise proceed to step 5)；
4) continuing taxi operation, until leaving ground, this has taken off；
5) judge that whether the actual sliding speed of now aircraft is less than speed of decision V1, if it is judged that be yes, enter step 6), otherwise proceed to step 7)；
6) abandon taking off, brake, control the aircraft direction of motion on runway, aircraft is rested on runway as far as possible；
7) whether the actual sliding speed judging now aircraft is continued less than speed of decision V1+ Δ V, Δ V is speed nargin, if it is judged that be yes, returns step 6), otherwise enter step 8), now aircraft pilots has obtained the space of affluence, speed, argin；
8) judge whether aircraft has the ability of taking off, if it is judged that be yes, take off and leave ground, request rescue, plan is maked a return voyage, and proceeds to step 4 afterwards)；Otherwise proceed to step 6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610139460.1A CN105761020A (en) | 2016-03-11 | 2016-03-11 | Method of improving long runway airplane takeoff safety margin |
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| CN201610139460.1A CN105761020A (en) | 2016-03-11 | 2016-03-11 | Method of improving long runway airplane takeoff safety margin |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268707A (en) * | 2020-09-18 | 2021-01-26 | 彩虹无人机科技有限公司 | Working state judgment and control method for unmanned aerial vehicle power system during takeoff |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268707A (en) * | 2020-09-18 | 2021-01-26 | 彩虹无人机科技有限公司 | Working state judgment and control method for unmanned aerial vehicle power system during takeoff |
| CN112268707B (en) * | 2020-09-18 | 2023-05-12 | 彩虹无人机科技有限公司 | Working state judging and controlling method for unmanned aerial vehicle power system in take-off process |
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Application publication date: 20160713 |