4

Survey Cadence Plan

Satellite imagery every 3 months · fixed-wing drone every month · field survey at any time (drone-inclusive).

Satellite imagery · Every 3 months

25

Fixed-wing drone · Every month

25

Field surveys (90d)

61

Overdue scans

3

Cadence is fixed by the approved monitoring plan: satellite every 90 days, fixed-wing drone every 30 days, field survey on demand with no fixed interval. Field surveys are drone-inclusive and can be run at any time outside the cycle.

Survey cadence

Site codeSite nameSite typeSurvey channelApproved intervalLast surveyNext due
SITE-V-05Variable Sector 5 — TabukVariableFixed-wing droneEvery month15/08/2026Late by 2d
SITE-F-08Basin M-04FixedSatellite imageryEvery 3 months17/06/2026Late by 1d
SITE-F-20Najran Plain 17FixedFixed-wing droneEvery month16/08/2026Late by 1d
SITE-F-15Eastern Coast 25FixedFixed-wing droneEvery month17/08/2026Due in 0d
SITE-F-10Jabal N-05FixedFixed-wing droneEvery month18/08/2026Due in 1d
SITE-F-05Plain NE-18FixedFixed-wing droneEvery month19/08/2026Due in 2d
SITE-F-15Eastern Coast 25FixedSatellite imageryEvery 3 months21/06/2026Due in 3d
SITE-V-04Variable Sector 4 — AsirVariableFixed-wing droneEvery month22/08/2026Due in 5d
SITE-F-19Asir Highland 06FixedFixed-wing droneEvery month23/08/2026Due in 6d
SITE-F-14Qassim Quarry 16FixedFixed-wing droneEvery month24/08/2026Due in 7d
SITE-V-02Variable Sector 2 — EasternVariableSatellite imageryEvery 3 months25/06/2026Due in 7d
SITE-F-09Wadi S-12FixedFixed-wing droneEvery month25/08/2026Due in 8d
SITE-F-04Quarry E-09FixedFixed-wing droneEvery month26/08/2026Due in 9d
SITE-F-07Harrat W-21FixedSatellite imageryEvery 3 months30/06/2026Due in 12d
SITE-V-03Variable Sector 3 — MadinahVariableFixed-wing droneEvery month29/08/2026Due in 12d
SITE-F-18Tabuk Wadi 30FixedFixed-wing droneEvery month30/08/2026Due in 13d
SITE-F-13Central Mine 02FixedFixed-wing droneEvery month31/08/2026Due in 14d
SITE-F-08Basin M-04FixedFixed-wing droneEvery month01/09/2026Due in 15d
SITE-F-03Sahl C-03FixedFixed-wing droneEvery month02/09/2026Due in 16d
SITE-F-14Qassim Quarry 16FixedSatellite imageryEvery 3 months04/07/2026Due in 16d
SITE-V-02Variable Sector 2 — EasternVariableFixed-wing droneEvery month05/09/2026Due in 19d
SITE-F-17Hail Plateau 09FixedFixed-wing droneEvery month06/09/2026Due in 20d
SITE-V-01Variable Sector 1 — RiyadhVariableSatellite imageryEvery 3 months08/07/2026Due in 20d
SITE-F-12Wadi SW-22FixedFixed-wing droneEvery month07/09/2026Due in 21d
SITE-F-07Harrat W-21FixedFixed-wing droneEvery month08/09/2026Due in 22d
SITE-F-02Ridge C-11FixedFixed-wing droneEvery month09/09/2026Due in 23d
SITE-F-06Jabal SE-07FixedSatellite imageryEvery 3 months13/07/2026Due in 25d
SITE-V-01Variable Sector 1 — RiyadhVariableFixed-wing droneEvery month12/09/2026Due in 26d
SITE-F-16Makkah Ridge 19FixedFixed-wing droneEvery month13/09/2026Due in 27d
SITE-F-11Dune W-08FixedFixed-wing droneEvery month14/09/2026Due in 28d
SITE-F-06Jabal SE-07FixedFixed-wing droneEvery month15/09/2026Due in 29d
SITE-F-13Central Mine 02FixedSatellite imageryEvery 3 months17/07/2026Due in 29d
SITE-F-01Wadi NW-14FixedFixed-wing droneEvery month16/09/2026Due in 1mo
SITE-F-20Najran Plain 17FixedSatellite imageryEvery 3 months21/07/2026Due in 1mo 3d
SITE-F-05Plain NE-18FixedSatellite imageryEvery 3 months26/07/2026Due in 1mo 8d
SITE-F-12Wadi SW-22FixedSatellite imageryEvery 3 months30/07/2026Due in 1mo 12d
SITE-F-19Asir Highland 06FixedSatellite imageryEvery 3 months03/08/2026Due in 1mo 16d
SITE-F-04Quarry E-09FixedSatellite imageryEvery 3 months08/08/2026Due in 1mo 21d
SITE-F-11Dune W-08FixedSatellite imageryEvery 3 months12/08/2026Due in 1mo 25d
SITE-F-18Tabuk Wadi 30FixedSatellite imageryEvery 3 months16/08/2026Due in 1mo 29d
SITE-V-05Variable Sector 5 — TabukVariableSatellite imageryEvery 3 months20/08/2026Due in 2mo 3d
SITE-F-03Sahl C-03FixedSatellite imageryEvery 3 months21/08/2026Due in 2mo 4d
SITE-F-10Jabal N-05FixedSatellite imageryEvery 3 months25/08/2026Due in 2mo 8d
SITE-F-17Hail Plateau 09FixedSatellite imageryEvery 3 months29/08/2026Due in 2mo 12d
SITE-V-04Variable Sector 4 — AsirVariableSatellite imageryEvery 3 months02/09/2026Due in 2mo 16d
SITE-F-02Ridge C-11FixedSatellite imageryEvery 3 months03/09/2026Due in 2mo 17d
SITE-F-09Wadi S-12FixedSatellite imageryEvery 3 months07/09/2026Due in 2mo 21d
SITE-F-16Makkah Ridge 19FixedSatellite imageryEvery 3 months11/09/2026Due in 2mo 25d
SITE-V-03Variable Sector 3 — MadinahVariableSatellite imageryEvery 3 months15/09/2026Due in 2mo 29d
SITE-F-01Wadi NW-14FixedSatellite imageryEvery 3 months16/09/2026Due in 3mo
SITE-F-01Wadi NW-14FixedField surveyOn demand16/09/2026No fixed interval
SITE-F-02Ridge C-11FixedField surveyOn demand11/09/2026No fixed interval
SITE-F-03Sahl C-03FixedField surveyOn demand06/09/2026No fixed interval
SITE-F-04Quarry E-09FixedField surveyOn demandNot carried out yetNo fixed interval
SITE-F-05Plain NE-18FixedField surveyOn demand27/08/2026No fixed interval
SITE-F-06Jabal SE-07FixedField surveyOn demand14/09/2026No fixed interval
SITE-F-07Harrat W-21FixedField surveyOn demand09/09/2026No fixed interval
SITE-F-08Basin M-04FixedField surveyOn demandNot carried out yetNo fixed interval
SITE-F-09Wadi S-12FixedField surveyOn demand30/08/2026No fixed interval
SITE-F-10Jabal N-05FixedField surveyOn demand25/08/2026No fixed interval
SITE-F-11Dune W-08FixedField surveyOn demand12/09/2026No fixed interval
SITE-F-12Wadi SW-22FixedField surveyOn demandNot carried out yetNo fixed interval
SITE-F-13Central Mine 02FixedField surveyOn demand02/09/2026No fixed interval
SITE-F-14Qassim Quarry 16FixedField surveyOn demand28/08/2026No fixed interval
SITE-F-15Eastern Coast 25FixedField surveyOn demand15/09/2026No fixed interval
SITE-F-16Makkah Ridge 19FixedField surveyOn demandNot carried out yetNo fixed interval
SITE-F-17Hail Plateau 09FixedField surveyOn demand05/09/2026No fixed interval
SITE-F-18Tabuk Wadi 30FixedField surveyOn demand31/08/2026No fixed interval
SITE-F-19Asir Highland 06FixedField surveyOn demand26/08/2026No fixed interval
SITE-F-20Najran Plain 17FixedField surveyOn demandNot carried out yetNo fixed interval
SITE-V-01Variable Sector 1 — RiyadhVariableField surveyOn demand08/09/2026No fixed interval
SITE-V-02Variable Sector 2 — EasternVariableField surveyOn demand03/09/2026No fixed interval
SITE-V-03Variable Sector 3 — MadinahVariableField surveyOn demand29/08/2026No fixed interval
SITE-V-04Variable Sector 4 — AsirVariableField surveyOn demandNot carried out yetNo fixed interval
SITE-V-05Variable Sector 5 — TabukVariableField surveyOn demand11/09/2026No fixed interval