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Touch Down Liftoff Area

A load bearing area on which a helicopter may touchdown or liftoff

Layer
touchdownliftoffarea
Geometry
Polygon
Feature type
12

The outer edges of the white TLOF-markings should be used to represent the TLOF

See definition ICAO Doc 9674 WGS84-Manual, Chapter 5 Attachment C

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Properties

PropType
idrwy
string | null

Object identifier of the corresponding runway

Example: 02.20

surftype

Predominant surface type

Example: AsphaltGrooved: 3

id
number

Unique identifier for this feature instance. Only unique per feature type

feattype
idarpt
string

ICAO aerodrome location indicator

Example: NZCH