Taiwan Ministry of National Defense: "Chinese Military Aircraft 9→15→8→9 Sorties Over Four Days, 11 of 13 Sorties on the Day of the Joint Combat Readiness Patrol Crossed the Median Line"

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Taiwan's Ministry of National Defense said that from 09:30 on October 14 (Taiwan time, 10:30 KST), 13 sorties of Chinese military aircraft were dispatched and 11 of those sorties crossed the median line of the Taiwan Strait. Taiwan's Ministry of National Defense described this movement as what China calls a "joint combat readiness patrol (聯合戰備警巡)." In the 24-hour daily tally released the next morning, 13 of 15 sorties had crossed the median line. The daily tally for the following day was 8 sorties, and all 8 sorties crossed the median line. The body that counted all the numbers is Taiwan's Ministry of National Defense.

Taiwan's Ministry of National Defense official X account posted at 13:30 on the 14th (KST) that "from 09:30, it detected 13 sorties including J-16, J-11, Su-30, JH-7, and Y-8 electronic warfare aircraft, and among them 11 sorties crossed the median line and entered the northern, central, and southwestern ADIZ." https://x.com/MoNDefense/status/2110226591586701545

Reading the Numbers by Period

Taiwan Ministry of National Defense announcements have different counting periods.

• Patrol announcement (press release): After 09:30 on 10/14, 13 military aircraft sorties·11 median line crossings — Taiwan Ministry of National Defense announcement 10/14 12:30 (Taiwan)
• Daily tally ①: 10/13 06:00~10/14 06:00 (UTC+8), all 9 military aircraft sorties crossed the line, 6 vessels, 6 official vessels — Taiwan Ministry of National Defense 10/14
• Daily tally ②: 10/14 06:00~10/15 06:00, 13 of 15 military aircraft sorties crossed the line, 10 vessels, 7 official vessels — Taiwan Ministry of National Defense 10/15
• Daily tally ③: 10/15 06:00~10/16 06:00, all 8 military aircraft sorties crossed the line (northern·southwestern), 9 vessels, 7 official vessels — Taiwan Ministry of National Defense 10/16
• Daily tally ④: 10/16 06:00~10/17 06:00, 5 of 9 military aircraft sorties crossed the line (northern·central·southwestern), 6 vessels, 8 official vessels — Taiwan Ministry of National Defense 10/17

Daily tally ② is a 24-hour number that includes the day on which the patrol took place. Therefore, it can be greater than or equal to the 13 sorties in the patrol announcement. The 15 sorties in daily tally ② are a 24-hour tally figure, and its counting period differs from the 13 sorties in the patrol announcement.

Taiwan's Ministry of National Defense posted on X at 10:00 on the 15th (KST) that "13 of 15 sorties crossed the median line and entered the northern, central, southwestern, and eastern ADIZ." https://x.com/MoNDefense/status/2110536140809719853

At 10:00 on the 16th (KST), it posted that "8 of 8 sorties crossed the median line and entered the northern and southwestern ADIZ." https://x.com/MoNDefense/status/2110898525051486391

At 10:00 on the 17th (KST), it posted that "5 of 9 sorties crossed the median line and entered the northern, central, and southwestern ADIZ." This post is the official X version of daily tally ④. https://x.com/MoNDefense/status/2111260926334935492

Terminology — Airspace, ADIZ, and Territorial Airspace Are Different

The Chinese-language press release original on the 14th wrote "northern·central·southwestern airspace (空域)," and the English X post on the same day wrote "ADIZ." An air defense identification zone (ADIZ) is a zone that each country sets on its own for aircraft identification, and it is not territorial airspace. The expressions used by Taiwan's Ministry of National Defense are "airspace" and "ADIZ." The press release's expression "harassment (騷擾)" is an expression of Taiwan's Ministry of National Defense. Taiwan's Ministry of National Defense said it "closely grasped the situation with joint intelligence, surveillance, and reconnaissance means, and responded appropriately with mission aircraft and vessels and ground-based missile systems."

China's Claim — One Line

On the same day, China's Ministry of National Defense website posted a People's Liberation Army Navy announcement claiming that the Liaoning carrier formation's Western Pacific training was "routine training in accordance with the annual plan" and "does not target any specific country or target." This announcement did not mention a patrol around Taiwan, and Taiwan's Ministry of National Defense press release did not mention Liaoning either. The two matters occurred on the same day.

How Does Taiwan's Ministry of National Defense Count

The Political Warfare Bureau of Taiwan's Ministry of National Defense announces Chinese military activities in the sea and airspace around Taiwan every morning. The standard is 24 hours from 06:00 on the previous day to 06:00 on the day (UTC+8). Military aircraft are counted in "sorties (架次)," and vessels and official vessels are counted by number of vessels. The announcement is accompanied by a track image and records together the number of sorties that crossed the median line and the zones entered. In this four-day tally, the number of military aircraft moved as 9→15→8→9 sorties. Vessels were 6→10→9→6, and official vessels were 6→7→7→8.

The patrol announcement (press release) is, separately from the daily tally, a document that separately informs of a specific activity at that point in time. The press release on the 14th had only a start time, "from 09:30," and did not record an end time. The 13 sorties are the number detected from after the start of the patrol up to the time of the announcement, and are not a tally for the entire day. Taiwan's Ministry of National Defense listed the aircraft types as J-16, J-11, Su-30, JH-7, Y-8 electronic warfare aircraft, and unmanned aircraft. It did not disclose the number of sorties by aircraft type.

Observation on the Japanese Side on the Same Day — A Separate Document

On the same day, the 14th, Japan's Joint Staff announced that four Chinese vessels including Liaoning passed between Okinawa Island and Miyako Island and headed toward the Pacific Ocean. It is a different document issued by a different government from Taiwan's Ministry of National Defense patrol announcement. Neither announcement mentioned the other matter. The two matters were announced on the same day and were not announced as a single operation.

It is because Taiwan Ministry of National Defense's daily tally is a public standard for measuring the scale of Chinese military activities. Taiwan's Ministry of National Defense recorded in its daily announcement on October 15, 2024, that on the day of the "Joint Sword-2024B" exercise (10/14 05:00~10/15 06:00), there were 153 military aircraft, of which 111 crossed the median line. At that time, Taiwan's Ministry of National Defense recorded that it had changed the counting time to match the exercise period. When comparing numbers, the counting period and unit (aircraft·sorties) must be looked at together. This four-day's numbers (9·15·8·9 sorties) are the same type of tally as that baseline. The two announcements differ in counting period and unit (aircraft·sorties).

The Three Days Before the Patrol Announcement — The Earlier Part of Taiwan Ministry of National Defense's Daily Tally

Before the four-day tally, there are three more days issued by Taiwan's Ministry of National Defense in the same format. According to Taiwan's Ministry of National Defense, from 06:00 on October 10 to 06:00 on the 11th (UTC+8), 12 military aircraft sorties, 6 vessels, and 3 official vessels were detected around Taiwan, and among them 5 sorties entered the southwestern ADIZ. This announcement did not record the number of sorties that crossed the median line. In the next period, from 06:00 on October 12 to 06:00 on the 13th (UTC+8), there were 5 military aircraft sorties, 6 vessels, and 4 official vessels, and Taiwan's Ministry of National Defense said 4 of the 5 sorties crossed the median line and entered the central and southwestern ADIZ. The daily tally figure for the period from 06:00 on October 11 to 06:00 on the 12th is not included in the two published announcements.

Under Taiwan Ministry of National Defense's tally, the sorties that specified a median line crossing changed from 4 sorties in the October 12–13 period to all 9 sorties in the October 13–14 period, and on the 14th, the day of the patrol announcement, a separate press release specifying a start time was issued. Taiwan's Ministry of National Defense said in the same sentence in the two preceding periods as well that it responded with mission aircraft and vessels and ground-based missile systems. This response announcement by Taiwan's Ministry of National Defense is not an announcement that an actual interception or use of force took place.

Positions of the Parties — Lai Ching-te's October 10 Speech and China's Taiwan Affairs Office's October 14 Rebuttal

Taiwan's Office of the President said that President Lai Ching-te said in his National Day address on October 10 that China continues pressure to attempt to change the status quo in the Taiwan Strait through military activities and gray-zone activities. President Lai said that peace cannot be relied on wishes alone, and said he would continue to push forward defense reform, asymmetric capabilities, and an autonomous defense industry. These are remarks from the Taiwan president's speech.

Chen Binhua, spokesperson for the Taiwan Affairs Office of the State Council of China, said at a regular press conference on October 14 regarding Lai Ching-te's speech that cross-strait negotiation and dialogue can be restored only if the one-China principle and the "1992 Consensus" are recognized and Taiwan independence separatist acts are stopped. Chen Binhua claimed that there is only one China in the world and that Taiwan is part of China is the true status quo of the Taiwan Strait. This remark is a rebuttal to Lai Ching-te's speech that came out at a press conference on the same day, not a Chinese announcement specifying the October 14 patrol itself. As of October 17, China's Eastern Theater Command and China's Ministry of National Defense had issued no announcement specifying the October 14 patrol.

Precedent for the Name "Joint Combat Readiness Patrol" — Eastern Theater Command's December 29, 2025 Announcement

In a December 29, 2025, announcement posted on the English website of China's Ministry of National Defense, Eastern Theater Command spokesperson Senior Colonel Shi Yi said that naval and air forces would conduct a combat readiness patrol around Taiwan Island. Spokesperson Shi Yi said that vessels and aircraft would approach Taiwan Island from multiple directions to verify rapid maneuver, all-round posture, and systematic blockade and control capabilities. This is the Eastern Theater Command's announcement of December 29, 2025, and is not an explanation of the October 14, 2026, patrol. The expression "聯合戰備警巡" used by Taiwan's Ministry of National Defense in its October 14 press release and the English expression used by China in the past do not cite each other.

Next Steps

Taiwan's Ministry of National Defense posts the 24-hour tally up to 06:00 (Taiwan time) every morning on X at about 10:00 KST. Daily tally ④ for 10/16 06:00~10/17 06:00 was posted on the 17th. The next tally is for the period from 06:00 on October 17 to 06:00 on the 18th and is scheduled to be posted at about 10:00 KST on October 18. As of October 17, the tally for this period had not yet been announced. During the same period, the Japan-U.S. "Keen Sword 27" announced by Japan's Joint Staff begins on October 19.

Sources

1. Taiwan Ministry of National Defense Press Release 87988 (10/14 12:30 Taiwan = 13:30 KST): https://www.mnd.gov.tw/News/PressRelease/87988
2. Taiwan Ministry of National Defense PLA Activities 10/14 (Daily ①): https://www.mnd.gov.tw/en/News/PLAAct/87986
3. Taiwan Ministry of National Defense PLA Activities 10/16 (Daily ③): https://www.mnd.gov.tw/en/Publication/88002
4. Taiwan Ministry of National Defense 2024-10-15 daily tally (precedent): https://www.mnd.gov.tw/en/News/PLAAct/83570
5. China Ministry of National Defense website (People's Liberation Army Navy WeChat posted): http://www.mod.gov.cn/gfbw/qwfb/16492998.html https://x.com/MoNDefense/status/2110226591586701545 https://x.com/MoNDefense/status/2110536140809719853 https://x.com/MoNDefense/status/2110898525051486391 https://x.com/MoNDefense/status/2110173750733705365
6. Taiwan Ministry of National Defense PLA Activities 2026.10.17 (Daily ④): https://www.mnd.gov.tw/EN/news/plaact/88006 https://x.com/MoNDefense/status/2111260926334935492
7. Taiwan Ministry of National Defense PLA Activities 2026-10-11 (10/10~11): https://www.mnd.gov.tw/En/News/PLAAct/87953
8. Taiwan Office of the President President Lai delivers 2026 National Day Address 2026-10-10: https://english.president.gov.tw/News/7226
9. China State Council Taiwan Affairs Office regular press conference edited transcript 2026-10-14: https://www.gwytb.gov.cn/xwdt/xwfb/xwfbh/202610/t20261014_12817974.htm
10. China Ministry of National Defense English Eastern Theater Command combat readiness patrol announcement 2025-12-29: http://eng.mod.gov.cn/2025xb/N/T/16429649.html