| ...L | Left (preceded by runway designation number to identify a parallel runway) |
| L | Locator (see LO, LM) |
| LAM | Logical acknowledgement (message type designator) |
| LAT | Latitude |
| LCA | Local or locally or location or located |
| LDA | Landing distance available |
| LDAH | Landing distance available helicopter |
| LDG | Landing |
| LDI | Landing direction indicator |
| LEN | Length |
| LF | Low frequency (30 to 300 kHz) |
| LGT | Light or lighting |
| LGTD | Lighted |
| LIH | Light intensity high |
| LIL | Light intensity low |
| LIM | Light intensity medium |
| LLZ | Localizer |
| LM | Locator, middle |
| LMT | Local mean time |
| LNG | Long (used to indicate the type of approach desired or required) |
| LO | Locator, outer |
| LOC | Localizer |
| LONG | Longitude |
| LRG | Long range |
| LTD | Limited |
| LV | Light and variable (relating to wind) |
| LVE | Leave or leaving |
| LVL | Level |
| LVP | Low Visibility Procedures |
| LYR | Layer or layered |
| LVTO | Low Visibility Take−Off |
© 2012-21 Kristina Novotna