今天的飛行項目比之前更具挑戰性,Leo 一早就告訴我:「今天我們要練習 Slow Flight、Basic Stall、Advanced Stall,還有 Wing Drop Stall。」76Please respect copyright.PENANADKuL7lsw6N
76Please respect copyright.PENANAT385SiIXMQ
光是聽到「失速(Stall)」這個詞,我心裡就有些發毛。從開始學飛以來,我一直被教導要保持足夠的飛行速度,以避免失速。現在,Leo 卻要我刻意進入失速狀態?76Please respect copyright.PENANAkLeiSaQbXx
76Please respect copyright.PENANAfWInf0lsmk
「不用擔心,這些都是訓練飛行員如何正確應對失速。」Leo 笑著說:「如果你知道怎麼恢復,就不用害怕。」76Please respect copyright.PENANAgS8GclGwXe
76Please respect copyright.PENANAP00A5Ni2NH
他讓我坐下,然後開始了一場 30 分鐘的簡報,簡單講解 什麼是失速(Stall),以及 哪些情況最容易發生失速。76Please respect copyright.PENANAeXkiVqiQUN
76Please respect copyright.PENANADZdfiCpzbc
「失速並不是指發動機停轉,而是機翼失去升力的狀態。」Leo 在白板上畫了一架飛機的翼剖面:「當Angle of Attack, AOA超過臨界角,氣流無法順利流過機翼,升力就會急劇減少,飛機進入失速。」76Please respect copyright.PENANABA411Fqfsi
76Please respect copyright.PENANAk5D3PPCmdF
他指著翼剖面上的氣流:「Remember LIFT=IAS x AOA。當飛機速度過慢,或者機頭抬得過高時,攻角增加,升力減少,最終導致失速。 這種情況如果發生在低空,比如起飛或降落時,可能會非常危險。」76Please respect copyright.PENANAlddkvSPG8p
76Please respect copyright.PENANAoylk3J0YF9
Leo 在白板上寫下幾個關鍵時刻:76Please respect copyright.PENANAZy96NLPEEY
起飛、轉彎、降落、過度操控,這些情況一定要特別留意。76Please respect copyright.PENANAZTQUvl7ZpI
76Please respect copyright.PENANA8f6A3B00JH
Leo 在白板上寫下「如何辨別失速?」然後簡單說道:「空速下降、操控遲鈍(Sluggish)、機身顫抖(Buffeting)、Stall warning horn警報響起,最後機頭或機翼可能突然下墜,這些都是失速的徵兆。」76Please respect copyright.PENANAIB4j5ZfVvS
76Please respect copyright.PENANAh7NiIeCfO6
Leo 放下筆,望著我:「當你注意到這些徵兆時,你就知道飛機正處於臨界點。關鍵是——你要知道如何正確恢復,而不是驚慌。」76Please respect copyright.PENANA8sqN88jtYF
76Please respect copyright.PENANAVeNylo84VJ
我深吸一口氣,仔細記住這些要點,然後點頭:「明白了,現在……」76Please respect copyright.PENANAdGMWnn79XP
76Please respect copyright.PENANAfb1jEQ4211
Leo 露出一抹笑意,站起身來:「沒錯,現在就讓你真正感受失速的感覺。」76Please respect copyright.PENANAENP4SvVgaZ
76Please respect copyright.PENANA2zJoa7oRgC
76Please respect copyright.PENANA7PbagLoJEN
飛機離開跑道後,我們爬升到安全高度,Leo 看著我,微微一笑:「在進行Slow Flight 和失速訓練前,我們要先做 HASELL Check,確保一切安全。」76Please respect copyright.PENANAKe8QZalSSQ
76Please respect copyright.PENANAyFGVMDOF9r
H – Height:確認飛機有足夠的高度恢復失速,通常至少 2500ft以上。76Please respect copyright.PENANAkptS2bfiUj
A – Airframe Configuration:檢查襟翼(Flaps)、起落架(Landing Gear),確認設定是否適當。76Please respect copyright.PENANAg8dzxrFaWB
S – Security:確保 Doors & Hatches 關閉,安全帶繫好。76Please respect copyright.PENANAs6yT2gQaEA
E – Engine:檢查 Engine instruments 在綠色區域內,若低於 2000 RPM,開啟化油器加熱(Carb Heat)。76Please respect copyright.PENANAhewq6CoLtJ
L – Location:確保飛機不在人口密集區域上空,以免影響地面安全。76Please respect copyright.PENANAijdTS1RxqY
L – Lookout Turn:進行 360° 觀察,確保周圍空域無其他飛機。76Please respect copyright.PENANASQQDguwu7R
76Please respect copyright.PENANAUJHMzm6pfY
「減油門,維持飛機在接近失速的速度,但不真正進入失速狀態。」76Please respect copyright.PENANAqLjssOn5g9
76Please respect copyright.PENANA1rBs4LH0wP
我慢慢減少油門,拉升機頭保持高度,看到空速計的指針逐漸下降,飛機開始感覺沉重,操控變得遲鈍,彷彿一切動作都被放慢了一拍。76Please respect copyright.PENANAqk2dIv0hLf
76Please respect copyright.PENANANexLsZ7ede
「這就是 Slow Flight。」Leo 說:「現在試著轉彎,感受機翼的反應。」76Please respect copyright.PENANAOa2mFFh1Gb
76Please respect copyright.PENANAvlRSA50vw2
我小心翼翼地轉動操縱桿,飛機開始慢慢傾斜,但很快我發現了一個明顯的變化——轉彎的半徑比平常短了很多。76Please respect copyright.PENANAS6lolrebIw
76Please respect copyright.PENANAp6Rn4uHCL9
「這是讓你學會在低速狀態下,仍然能夠控制飛機。」Leo 補充道:「降落時,或者在能見度低、迷路、失去方向的情況下,都是在這個速度範圍內進行的。」76Please respect copyright.PENANAA6M5HMypVZ
76Please respect copyright.PENANAHh1UHlySce
「好,現在我們來試試真正的失速。」Leo 語氣平穩:「記住,應對失速的方法只有一個——降低 AOA。」76Please respect copyright.PENANATZ6Ctdpfhm
76Please respect copyright.PENANA8XLguMLWCn
「我們回到 Clean Configuration,開始 Basic Stall。」Leo 說。76Please respect copyright.PENANAukEe2Cc2s4
76Please respect copyright.PENANAZ61SoJ0vBE
我按照指示減油門,讓飛機速度慢慢下降。很快,我開始感受到 Leo 在簡報時說過的失速徵兆——空速計指針下降、操控變得遲鈍、機身開始輕微顫抖,然後刺耳的失速警報響起。76Please respect copyright.PENANAPWQMbuUv2z
76Please respect copyright.PENANAmA6jawUOjV
「嘟——嘟——嘟——」76Please respect copyright.PENANAQB8h2iagAU
76Please respect copyright.PENANAHgaTgPeASM
這一刻,我的大腦告訴自己:保持冷靜,按照訓練來恢復!76Please respect copyright.PENANABHpGehIsOk
76Please respect copyright.PENANApBznlKb7SP
但就在機頭開始下沉的瞬間,我的身體卻下意識地拉高機頭,試圖「拉回」飛機,結果反而讓失速變得更嚴重!76Please respect copyright.PENANApNCKkqBkVC
76Please respect copyright.PENANAHZYoCN7StO
「Release back pressure!降低 AOA!」Leo 立刻糾正。76Please respect copyright.PENANAESBQIdySbW
76Please respect copyright.PENANAGB44DxAQp8
機身突然一沉,飛機完全失去升力,機頭急速下墜——這才是真正的失速!76Please respect copyright.PENANAjvnbpCR50N
76Please respect copyright.PENANAqj234OWBvy
我強忍著本能的恐懼,終於意識到自己的錯誤。這時候,拉高機頭只會讓攻角更大,讓失速更加嚴重。唯一的辦法,就是讓機頭自然下降,恢復正常的氣流。76Please respect copyright.PENANAiozDM9FitJ
76Please respect copyright.PENANASMA9uRhGXq
我鬆開操縱桿,輕輕向前推,讓機頭下沉。短短幾秒內,空速開始回升,我趕緊推動油門增加動力,然後感覺到操控變得靈敏,飛機開始恢復正常飛行。76Please respect copyright.PENANA7XbHUYLsZa
76Please respect copyright.PENANAy8DN0y9nfO
幾秒鐘後,失速徵兆消失,機頭回到水平姿態。76Please respect copyright.PENANAOVrC1txFw2
76Please respect copyright.PENANAl3zcu1wXKg
我大口喘氣,額頭滲出冷汗。這只是訓練,卻讓我感受到真正的危機感——如果剛才是在低空,結果可能完全不同。76Please respect copyright.PENANAACiDOFtmT7
76Please respect copyright.PENANAA94WeXJHt4
Leo 看著我,微微一笑:「這就是為什麼訓練很重要。遇到失速時,本能地拉機頭。但現在,你知道該怎麼做了吧?」76Please respect copyright.PENANAITABm5YK2a
76Please respect copyright.PENANA4iZqnnrMQP
我點點頭,心跳還沒完全平復,但腦海裡只剩下一個念頭:「遇到失速,唯一的應對方法,降低 AOA。」76Please respect copyright.PENANAvViv5LUjT5
76Please respect copyright.PENANAQikQ5HPZKw
76Please respect copyright.PENANA2RgskLrOvp
「I have control。在現實飛行中,很多失速發生在降落過程中,因為這時候飛機處於低速、高攻角,襟翼放下來增加升力,但如果沒控制好,也可能讓失速變得更嚴重。」Leo 一邊講解,一邊調整油門,讓飛機爬升至安全高度。76Please respect copyright.PENANA7AbaXII0sU
76Please respect copyright.PENANAxvEYeDYhFV
「這次,我們模擬進近降落時的失速狀態。2200RPM,White Arc 放下Full Flaps,然後進入失速。」76Please respect copyright.PENANAvrG9nBzD8l
76Please respect copyright.PENANACk2cErDq0D
我慢慢放下襟翼,感覺飛機的升力增加了一點,但也變得更容易飄忽不定。我再次拉高機頭,讓空速下降,這次的過程與之前有所不同——由於襟翼會降低失速速度(Stall Speed),所以警報反而比之前更晚才響起。76Please respect copyright.PENANAY1dgQ0UTq9
76Please respect copyright.PENANAEtNEEfjuxu
Leo 說道:「恢復方法還是一樣——降低 AOA,推油門,讓空速回升!」76Please respect copyright.PENANAiEQ7xT1unH
76Please respect copyright.PENANAUzPAEmF7SP
我立刻鬆開操縱桿,推油門增加動力,等待飛機回復升力,幾秒後,機頭回復可控狀態,飛機恢復正常飛行。76Please respect copyright.PENANAO59nrnbGuB
76Please respect copyright.PENANAGOmU4uFapx
我長長地吐了一口氣,這次的失速比剛才更劇烈,但至少我已經知道該怎麼應對。76Please respect copyright.PENANA7Et8lz5aOE
76Please respect copyright.PENANA5E9YuXQq0b
Leo 沒有停下來,而是繼續指示:「現在,我們來試試 Wing Drop Stall,這是很多新手飛行員最容易犯錯的地方。」76Please respect copyright.PENANAKPP25UCiTb
76Please respect copyright.PENANAKVwgtBpxQQ
「這次,我們一樣進入失速,但會刻意製造不對稱的失速,看看機翼如何反應。」76Please respect copyright.PENANABlqMf9LwY7
76Please respect copyright.PENANA0mN6UypWZz
76Please respect copyright.PENANAXPxRH06JYw
Leo 在飛行前簡報中,特別強調了 Wing Drop Stall(機翼下墜失速) 的應對方法。76Please respect copyright.PENANAPNExiua09W
76Please respect copyright.PENANALMD2REjOEh
「當其中一側機翼比另一側先失速時,飛機會開始不對稱下墜,這就是 Wing Drop Stall。很多飛行員的本能反應是用Ailerons來糾正滾轉,但這其實會讓問題變得更糟!」Leo 指著白板上的示意圖。76Please respect copyright.PENANALCVxKV2yNI
76Please respect copyright.PENANAWeeApr53V5
「真正的應對方法只有三個步驟:降低 AOA,用Rudder修正滾轉,油門補充動力。」76Please respect copyright.PENANAg7wjp2DS6s
76Please respect copyright.PENANAd8hhYjeRPp
76Please respect copyright.PENANAl7nkmnk7Mz
「準備好了嗎?」Leo 問道。76Please respect copyright.PENANACBqb5RX1UR
76Please respect copyright.PENANAuohqfSWS5n
「準備好了!」我回應,心跳稍微加快,但這次,我知道該如何應對。76Please respect copyright.PENANAfKocYgsNPa
76Please respect copyright.PENANAKmjiB8cQa1
我推滿油門,拉高機頭,模擬進近降落時的失速狀態,並放下 Full Flaps(全襟翼)。這次,我們故意製造不對稱的失速條件——當飛機進入失速時,左翼率先失速,導致機身向左翻滾!76Please respect copyright.PENANAT3B7j52aSB
76Please respect copyright.PENANAj7hWu9cZIo
幾乎是一瞬間,我感受到飛機快速向左側下墜,機頭朝地面傾斜,旋轉的感覺讓人不由自主地想抓緊操縱桿。76Please respect copyright.PENANABWTDUSUPwL
76Please respect copyright.PENANAUJleZKduAA
「降低 AOA,High Rudder!」Leo 提醒。76Please respect copyright.PENANAiml6JinXvT
76Please respect copyright.PENANAaMNub9GfPx
這次,我沒有慌張,而是按照剛才學到的步驟——幾秒後,飛機穩定下來,回復正常飛行。76Please respect copyright.PENANAfSrdhMCWug
76Please respect copyright.PENANAf1ZlhWv8R8
「做得好!這就是正確的應對方式!」Leo 露出滿意的笑容:「剛才如果你用副翼修正,飛機可能已經進入Spin了。方向舵才是你最好的工具!」76Please respect copyright.PENANAmaVIo0JgMt
76Please respect copyright.PENANAZRcUnC91ZM
76Please respect copyright.PENANArOcvWgagU1
這次的訓練比我想像中更具挑戰性,但也讓我學到了最重要的一課——正確的反應,勝過本能的反應。76Please respect copyright.PENANASPydWwUOAA
76Please respect copyright.PENANAbW9DndAPhz
當飛機穩穩降落在跑道上,我才發現,我的雙手已經比剛才穩定了許多。76Please respect copyright.PENANA6BEumGqxCI
76Please respect copyright.PENANAz6uPnyempp
今天,我不僅學會了如何應對 Power-On Stall,還掌握了 Wing Drop Stall 的正確處理方式。76Please respect copyright.PENANALX083pPbTp
76Please respect copyright.PENANAEeYM4b9iUi
這一天,我比昨天更加接近真正的飛行員了。