L-15偵察兵聯絡機

L-15 偵察兵（)或YL-15是一款由波音公司在二戰後少量生產的小型聯絡機。該機為一款的飛機。L-15是波音公司在第二次世界大戰接近尾聲時擴大其產品線的一次嘗試，而後生產的12架在美國陸軍進行測試後，轉移到阿拉斯加的美國魚類和野生動物管理局服役。
發展
該機能夠加裝雪橇或浮筒，以便於降落在極地。其獨特的機身在飛行員身後急劇變細，類似於直升機機身，並有一個高位安裝的吊桿支撐尾部表面。最初的設計包括一個垂直穩定器，但在量產機型上使用了兩個小型的向下安裝的穩定器。機身後部為全窗式，串聯的副駕駛可向後旋轉座椅。

儘管其巡航速度僅為101mph，但該飛機被牽引飛行時的速度可達160mph。

圖庫
File:Boeing YL-15 three quarter view.jpg|YL-15 N4770C
File:Boeing YL-15 undercarriage.jpg|Undercarriage
File:Boeing YL-15 Observer's position.jpg|Observer's seat
File:Boeing YL-15 wing side.jpg|Wing
File:Boeing YL-15 tail side.jpg|Tail

參考
註記
書籍
Bowers, Peter M. Boeing Aircraft since 1916*. London: Putnam, Third edition 1989. .

外部連結

• [https://books.google.com/books?id=oyQDAAAAMBAJ&pg=RA1-PA23 "Grasshopper's Eyes Widen" , March 1947, Popular Science] article with explanation of unique features of L-15A
• [https://books.google.com/books?id=O-ADAAAAMBAJ&pg=PA96 "Eye For Ground Forces Fly As Low As 50 mph" , March 1947, Popular Mechanics] good photo of rear observer's unique position
• [https://books.google.com/books?id=RigDAAAAMBAJ&pg=PA141 "XL-15 Folds Up For A Tow" , February 1948, Popular Science] middle of page
• [http://www.flightglobal.com/pdfarchive/view/1947/1947%20-%202019.html Flight, November 20th 1947, page 573] bottom of page shows XL-15A on floats, with specification when operated as float plane
• [https://books.google.com/books?id=hCQDAAAAMBAJ&pg=PA8 "New Eyes For The Army Ground Forces" , October 1947, Popular Science] US Army recruiting ad featuring L-15A
• [https://www.youtube.com/watch?v=POD3KrmmgQU "EAA video: Boeing YL-15 – Defying Physics" ] , EAA YouTube Published Oct 20, 2017