AIM Data Catalogue

All properties and sub-properties of :

Final Approach Segment

Number of rows: 18
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
Operation type842TextA number that indicates the type of the final approach segment (e.g "0" is coded for a straight-in approach procedure including offset procedures.)Annex 10 Vol I, App B, 3.6.4.5.1 Doc 8168, Vol II, Part III, Sec. 2, Chapt. 6, App A, 3. a)
Approach performance designator843TextA number that identifies the type of an approach. ( “0” is used to identify an LPV approach procedure and a “1” indicates a Category I approach procedure)Annex 10 Vol I, App B, 3.6.4.5.1 Doc 8168, Vol II, Part III, Sec. 2, Chapt. 6, App A, 3. e)
SBAS provider844TextIdentifier of a particular satellite-based approach system service providerSBAS onlyAnnex 10 Vol I, App B, 3.6.4.5.1 Doc 8168, Vol II, Part III, Sec. 2, Chapt. 6, App A, 3. b)
RPDS845TextReference path data selector (RPDS) - A numerical identifier that is unique on a frequency in the broadcast region and used to select the FAS data block.GBAS onlyAnnex 10 Vol I, App B, 3.6.4.5.1 Doc 8168, Vol II, Part III, Sec. 2, Chapt. 6, App A, 3. g)
RPI846TextReference Path Identifier - A four-character identifier that is used to confirm selection of the correct approach procedure.Annex 10 Vol I, App B, 3.6.4.5.1 Doc 8168, Vol II, Part III, Sec. 2, Chapt. 6, App A, 3. h)
LTP/FTPPosition905PointLatidude and Longitude of the LTP/FTPDoc 8168, Vol II, Part III, Sec. 2, 6.4.1 and Chapt. 6, App A, 3. i) j)0.3 m (1 ft)critical0.0005" (0.01")LL0420.3 m (1 ft)critical
Ellipsoid height906ElevationThe height of the LTP/FTP above the WGS-84 ellipsoidDoc 8168, Vol II, Part III, Sec. 2, 6.4.1 and Chapt. 6, App A, 3. k)0.25 mcritical0.1 mEH0110.25 mcritical
Orthometric height907ElevationThe height of the LTP/FTP as related to the geoid and presented as an MSL elevation0.5 messential
FPAPPosition908PointLatitude and Longitude of the FPAPDoc 8168, Vol II, Part III, Sec. 2, 6.4.1 and Chapt. 6, App A, 3. l) m)0.3 m (1 ft)critical0.0005" (0.01")LL0420.3 m (1 ft)critical
Orthometric height909AltitudeThe height of the FPAP as related to the geoid and presented as an MSL elevationAnnex 10 Vol I, App B, 3.6.4.5.10.5 messential
TCH849HeightApproach Threshold Crossing Height (TCH) - The designated crossing height of the flight path angle above the LTP (or FTP).Annex 10 Vol I, App B, 3.6.4.5.1 Doc 8168, Vol II, Part III, Sec. 2, 6.4.1 and Chapt. 6, App A, 3. n)0.5 mcriticalcalculated0.05 mEH0160.5 mcritical
GPA850ValueGlide Path Angle (GPA) - The angle of the approach path (glide path) with respect to the horizontal plane defined according to WGS-84 at the LTP/FTP.Annex 10 Vol I, App B, 3.6.4.5.1 Doc 8168, Vol II, Part III, Sec. 2, 6.4.1 and Chapt. 6, App A, 3. p)0.01°N/A0.01°0.01°N/A
Course Width at threshold851ValueThe semi-width of the lateral course width at the LTP/FTP, defining the lateral offset at which the receiver will achieve full-scale deflection.Annex 10 Vol I, App B, 3.6.4.5.1 Doc 8168, Vol II, Part III, Sec. 2, 6.4.1 and Chapt. 6, App A, 3. q)N/Acritical0.25 mN/Acritical
Delta Length Offset852DistanceThe distance from the stop end of the runway to the FPAP.It defines the location where lateral sensitivity changes to the missed approach sensitivity.Annex 10 Vol I, App B, 3.6.4.5.1 Doc 8168, Vol II, Part III, Sec. 2, 6.4.1 and Chapt. 6, App A, 3. r)N/AN/A8 mN/AN/A
HAL853ValueHorizontal Alert LimitSBAS onlyDoc 8168, Vol II, Part III, Sec. 2, Chapt. 6, App A, 3. s)
VAL854ValueVertical Alert LimitSBAS onlyDoc 8168, Vol II, Part III, Sec. 2, Chapt. 6, App A, 3. t)
FAS Data Block855TextBinary string describing the Final Approach Segment (FAS) data block generated with an appropriate software tool. The FAS data block is set of parameters to identify a single precision approach or APV and define its associated approach Annex 10 Vol I, Att D, 6.6 and 7.11. Doc 8168, Vol II, Part III, Sec. 2, Chapt. 6, App A 1 and App B 1
CRC Remainder856TextAn 8-character hexadecimal representation of the calculated remainder bits used to determine the integrity of the FAS data block data during transmission and storage.Annex 10 Vol I, App B, 3.6.4.5.1
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