Being a fan of the genre, I'll get in on this one:
This is my own collection, including adult and fiction for younger readers:
1914 The Air Scout (Young Adult Fiction) Kay, Ross
1916 Our Young Aeroplane Scouts In Italy (Young Adult Fiction) Porter, Horace
1917 The Wonder Of War In The Air (Young Adult Fiction) Rolt-Wheeler, Francis
1919 Air Service Boys Flying For France (Young Adult Fiction) Beach, Charles Amory
1919 Air Service Boys In The Big Battle (Young Adult Fiction) Charles Amory Beach
1919 Air Service Boys Over The Enemy's Lines (Young Adult Fiction) Charles Amory Beach
1919 Air Service Boys Over The Rhine (Young Adult Fiction) Charles Amory Beach
1919 Air Service Boys Over The Atlantic (Young Adult Fiction) Charles Amory Beach
1919 Tam O' The Scouts (Fiction) Wallace, Edgar
1919 Tom Slade With The Flying Corps (Young Adult Fiction) Fitzhugh, Percy K.
1926 Warbirds: Diary Of An Unknown Aviator (Semi-Fiction) Springs, Elliot White
1927 Wings (Fiction) Saunders, John Monk
1928 Leave Me With A Smile (Fiction) Springs, Elliott White
1928 Renfrew Rides The Sky (Young Adult Fiction) Erskine, Laurie York
1930 Contact (Fiction) Springs, Elliott White
1930 Falcons Of France (Fiction) Nordhoff & Hall
1932 Dare Devils Of The Air Thomas Burtis
1932 Flying Black Birds Thomas Burtis
1932 Four Aces Thomas Burtis
1933 Death In The Sky: The War Diary And Photographs Of A Flying Corps Pilot Archer, Wesley D.
1934
Winged Victory (Fiction) Yeates, V. M.
1935 The Flying Squad (Fiction) Bishop, Lt. Col, William A. & Stuart-Wortley, Maj. Rothesay
1938 Biggles Of The Camel Squadron Johns, W.E.
1954 Biggles Pioneer Air Fighter (Young Adult Fiction) Johns, Captain W. E.
1959 Fighters In The Sky (Fiction) Arch Whitehouse
1961 The Eagles Height (Fiction) Elliot, Robert
1961 We Were There With The Lafayette Escadrille (Young Adult Fiction) Knight, Clayton & K.S.
1965 Squadron 44 (Fiction) Arch Whitehouse
1966 A Killing For The Hawks (Fiction) Smith, Frederick E.
1966 In The Company Of Eagles (Fiction) Gann, Ernest K.
1966 Spies With Wings (Young Adult Fiction) Whitehouse, Arch
1966 The Blue Max (Fiction) Jack Hunter
1967 Scarlet Streamers (Young Adult Fiction) Whitehouse, Arch
1968 Squadron Shilling (Fiction) Arch Whitehouse
1969 The Laughing Falcon (Young Adult Fiction) Whitehouse, Arch
1970 Playboy Squadron (Fiction) Arch Whitehouse
1970 The Enemy Sky (Fiction) Saxon, Peter
1970 The Unfeeling Sky (Fiction) Saxon, Peter
1971 The Casket Crew Arch Whitehouse
1971 Von Richthofen And Brown (Fiction) Lavinia, Joe
1971 Zeppelin (Fiction) Agniel, Lucien
1972
Goshawk Squadron (Fiction) Derek Robinson
1976 The Mustering Of The Hawks (Fiction) Harris, John
1980 Heart Of War (Fiction) Masters, John
1983 The Bright Blue Sky (Fiction) Hennessy, Max
1983 The Challanging Heights (Fiction) Hennessy, Max
1985 Flight To Victory (Fiction) Hough, Richard
1988 War Story (Fiction) Derek Robinson
1989 Black Cat Squadron Wynn, Humphrey
1991 Touch The Sky (Fiction) Livingston, Harold
1994 A Biggles Omnibus (Young Adult Fiction) Johns, Captain W. E.
1999 Fast Eddie (Fiction) O'Connell, Robert L.
1999
Hornet's Sting (Fiction) Derek Robinson
2004 To The Last Man (Fiction) Shaara, Jeffery
I always have my eyes open to add to this. I know there are plenty more.