Density altitude

The altitude in standard air at which the density is the same as that of the existing air.

Aviation Maintenance Technician Handbook — Airframe, p. G-11; Aviation Maintenance Technician Handbook — Powerplant, p. G-9

Also defined in 2 more sources

Pressure altitude corrected for nonstandard temperature variations.

Helicopter Flying Handbook, p. G-3

Pressure altitude corrected for nonstandard temperature. Density altitude is used in computing the performance of an aircraft and its engines.

Pilot's Handbook of Aeronautical Knowledge, p. G-9

Taught in GEN-J Procedures, GEN-J Quick reference, PP-A Procedures, GEN-J Concepts, GEN-H Concepts, PP-A Concepts and 3 more.