This document includes recommendations of installations of adequate landing and taxiing lighting systems in aircraft of the following categories:

1. a Single engine personal and/or liaison type
2. b Light twin engine
3. c Large multiengine propeller
4. d Large multiengine turbojet
5. e Military high performance fighter and attack
6. f Helicopter

which are subject to the following CFR Parts certification:

1. Part 23 – Airworthiness Standards: Normal, Utility, Acrobatic and Commuter Aircrafts
2. Part 25 – Airworthiness Standards: Transport Category Aircrafts
3. Part 27 – Airworthiness Standards: Normal Category Rotorcraft
4. Part 29 – Airworthiness Standards: Transport Category Rotorcraft