| Aircraft | Armstrong Whitworth Whitley V |
| Serial Number | T4171 |
| Markings | GE-O |
| Burial/Memorial Country | United Kingdom |
| Burial/Memorial Place | Farnborough Cemetery |
| Grave Reference | Sec. 4. Grave 21.. |
| Epitaph | IN PROUD AND BEAUTIFUL MEMORY OF MY DEAR HUSBAND SERGEANT PILOT LEONARD F.P. ADLAM R.A.F.V.R. WHO GAVE HIS LIFE FOR ENGLAND 21ST OCTOBER 1940 AGED 25 YEARS. "THROUGH TRIALS TO THE STARS" |
| Phase | 2 |
| Panel Number | 121 |
| Service Number | 745662 |
| Service | Royal Air Force Volunteer Reserve |
| Group | 4 |
| Squadron | 58 |
| Trade | Pilot |
| Country of origin if different | United Kingdom |
| Brown E H (F/O) |
| Caryll-Tilkin M C (Sgt) |
| Green C S G (Sgt) |
| Start Date | 20-10-1940 |
| End Date | 21-10-1940 |
| Takeoff Station | Linton-on-Ouse |
| Day/Night raid | Night |
| Operation | Skoda armaments facility at Pilsen in Czechoslovakia |
| Reason for Loss | Successful raid but became the first victim of a Luftwaffe intruder over England, crashing in the Cleveland Hills near Ingleby Greenhow |