| Property |
Sub-Property |
ID |
Type |
Description |
Note |
Reference |
Accuracy |
Integrity |
Origin type |
Pub. Resolution |
Chart Resolution |
ADQ HL-Ref |
IFR Accuracy |
IFR Integrity |
VFR Accuracy |
VFR Integrity |
NatDqr Reference |
| Designator | | 220 | Text | The full textual designator of TLOF | | AMDB | | | | | | | | | | | |
| Centre point | Position | 253 | Point | Geographical location of TLOF geometric centre | | AIP AD 2.16.1; Annex 4 13.6.1 b) c) | 1 m | critical | surveyed | 1/100 sec | 1 sec | LL029 | 1 m | critical | | | |
| | Geoid undulation | 255 | Height | WGS-84 Geoid undulation at TLOF geometric centre position | WGS–84 geoid undulation at FATO threshold, TLOF geometric centre, for heliports with or without a PinS approach \nWGS–84 geoid undulation at FATO threshold, TLOF geometric centre, for heliports intended to be operated in accordance with ICAO Annex 14, Appendix 2 | AIP AD 2.16.1; Annex 4 13.6.1 b) c) | 0.5 m 0.25 m | essential \ncritical | surveyed \nsurveyed | 1 m or 1 ft 1 m or 1 ft (non precision), 0.1 m or 0.1 ft (precision) | | EH008;\nEH012 | 0.5 m 0.25 m | essential \ncritical | | | |
| | Elevation | 254 | Elevation | Elevation of the TLOF geometric centre | FATO threshold, for heliports with or without a PinS approach \nFATO threshold, for heliports intended to be operated in accordance with ICAO Annex 14, Appendix 2 | AIP AD 2.16.2; Annex 4 13.6.1 b) c) | 0.5 m 0.25 m | essential \ncritical | surveyed \nsurveyed | 1 m or 1ft 1 m or 1 ft (non-precision), 0.1 m or 0.1 ft (precision) | | EH006;\nEH010 | 0.5 m 0.25 m | essential \ncritical | | | |
| Length | | 222 | Distance | The longitudinal extent of TLOF | | AIP AD 2.16.3; Annex 4 13.6.1 b) c); Annex 14 II 2.4.1 b) | 1 m | critical | surveyed | 1 m or 1 ft | 1 m | LD006 | 1 m | critical | 1 m | routine | VFR AD INFO HEL |
| Width | | 223 | Distance | The transversal extent of TLOF | | AIP AD 2.16.3; Annex 4 13.6.1 b) c); Annex 14 II 2.4.1 b) | 1 m | critical | surveyed | 1 m or 1 ft | 1 m | LD006 | 1 m | critical | 1 m | routine | VFR AD INFO HEL |
| Geometry | | 224 | Polygon | Geographical location of TLOF element | | Annex 4 13.6.2 b) c) f); AMDB | | | | | | | | | | | |
| Slope | | 225 | Value | The slope of TLOF | | Annex 4 13.6.2 b) | | | | | | | 0.01% | routine | | | |
| Surface type | | 226 | Text | The surface type of TLOF | | AIP AD 2.16.3, Annex 4 13.6.2 b), AMDB | | | | | | | | | | | VFR AD INFO HEL |
| Bearing strength | | 227 | Value | The bearing strength of TLOF | | Annex 4 13.6.2 b) | | | | 1 tone | | | 0.1 t | routine | 0.1 t | routine | VFR AD INFO HEL |
| Visual approach slope indicator system type | | 228 | Text | Type of visual approach slope indicator system | | AIP AD 3.14.2; Annex 14 I 2.12 b) | | | | | | | | | | | |
| Marking | Description | 256 | Text | Description of TLOF markings | | AIP AD 2.16.3; Annex 4 13.6.2 g) | | | | | | | | | | | VFR AD INFO HEL |