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Key Facts: Ahli Madya Survei Terestris Exam

4

Official Competency Units

LSP ISI and BNSP

Rp 4.000.000

Official Certification Fee

LSP ISI

24

Questions in this independent bank

OpenExamPrep inventory

Scheme SS-01-AMST-08-2026 uses a route-specific portfolio interview or structured case study plus written questions. This bank provides 24 independent English MCQs for concept review.

Sample Ahli Madya Survei Terestris Practice Questions

Try these sample questions to review concepts for the Ahli Madya Survei Terestris exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 24+ question experience with AI tutoring.

1Under Article 22 of Law No. 4 of 2011 on Geospatial Information (UU Informasi Geospasial No. 4/2011), which body is assigned to organize Basic Geospatial Information (Informasi Geospasial Dasar - IGD) in Indonesia?
A.Badan Informasi Geospasial (BIG)
B.Kementerian Agraria dan Tata Ruang / Badan Pertanahan Nasional (ATR/BPN)
C.Badan Riset dan Inovasi Nasional (BRIN)
D.Kementerian Lingkungan Hidup dan Kehutanan (KLHK)
Explanation: Article 22 of Law No. 4/2011 assigns the organization of Basic Geospatial Information (IGD) to Badan Informasi Geospasial (BIG). Other ministries may organize thematic information within their authority, but they do not replace BIG's IGD role. This is an independent English-language MCQ study adaptation of scheme SS-01-AMST-08-2026.
2Under Indonesian spatial data standards (Katalog Unsur Geografi Indonesia - KUGI), why is feature cataloging standardized across government agencies?
A.To standardize coordinate reference systems while allowing every agency to define feature meanings independently
B.To ensure semantic and syntactic consistency across diverse thematic datasets so they can be integrated without ambiguity
C.To standardize cartographic symbols only, without defining feature names, attributes, or geometry types
D.To require identical attribute values in every thematic dataset even when the represented observations differ
Explanation: KUGI establishes uniform naming conventions, feature definitions, geometry types, and attribute structures across Indonesian institutions, enabling seamless data sharing and interoperability under the National Spatial Data Infrastructure (Jaringan Informasi Geospasial Nasional - JIGN). Note that this question forms part of an independent English-language MCQ study adaptation for competency assessment.
3According to Peraturan BIG No. 6 of 2018, which amended the Technical Guidelines for Base Map Accuracy, what is the maximum Circular Error at 90% confidence (CE90) for Class 1 horizontal accuracy at 1:5,000 scale?
A.3.0 meters
B.0.5 meters
C.1.5 meters
D.5.0 meters
Explanation: The amended table in Peraturan BIG No. 6/2018 gives Class 1 horizontal CE90 of 1.5 m at 1:5,000 scale, consistent with 0.3 mm multiplied by the scale denominator. This independent English-language MCQ study adaptation applies a current published accuracy value.
4A municipal government plans to procure UAV photogrammetry to update its asset inventory at 1:1,000 scale. According to BIG accuracy standards for 1:1,000 Class 1 mapping, what is the maximum allowable horizontal RMSE_r?
A.0.005 meters (giving CE90 <= 0.007 m)
B.1.50 meters (giving CE90 ≈ 2.28 m)
C.3.00 meters (giving CE90 ≈ 4.55 m)
D.Approximately 0.20 meters (giving CE90 <= 0.30 m)
Explanation: Under Peraturan BIG No. 6/2018, Class 1 horizontal accuracy at 1:1,000 requires CE90 <= 0.30 meters. Since CE90 = 1.5175 * RMSE_r for circular normal distribution (or RMSE_x = RMSE_y ≈ 0.14 m, leading to RMSE_r ≈ 0.20 m), the maximum permissible horizontal RMSE_r is approximately 0.20 m. This calculation is featured in this independent English-language MCQ study adaptation.
5Which topological data integrity rule is essential when compiling national statutory administrative boundary datasets (Batas Administrasi Wilayah) for provincial and district jurisdictions?
A.Must not have gaps and must not have overlaps across contiguous administrative units
B.May contain overlaps if each polygon independently closes and carries the correct jurisdiction code
C.May contain narrow gaps if the total calculated provincial area remains unchanged
D.Must duplicate shared boundaries as independently digitized lines even when their vertices do not coincide
Explanation: Administrative boundary polygons must adhere to strict topological closure: they must form planar partitions of space with no gaps (slivers) and no overlaps. Overlaps create jurisdictional conflicts, while gaps leave land unadministered. This concept is tested here in an independent English-language MCQ study adaptation.
6A technical audit of an aerial photogrammetric dataset submitted for 1:5,000 Class 1 base map approval reveals horizontal errors at 25 checkpoints with discrepancies yielding sum(delta_x^2) = 1.44 m^2 and sum(delta_y^2) = 1.81 m^2. Calculate the sample RMSE_r and determine whether the dataset satisfies the Perka BIG 6/2018 requirement (maximum CE90 = 1.50 m, where CE90 = 1.5175 * RMSE_r).
A.RMSE_r = 1.802 m; CE90 = 2.735 m; the dataset fails Class 1 requirements
B.RMSE_r = 0.361 m; CE90 = 0.547 m; the dataset passes Class 1 requirements
C.RMSE_r = 0.720 m; CE90 = 1.092 m; the dataset fails because CE90 must be below 0.50 m
D.RMSE_r = 3.250 m; CE90 = 4.932 m; the dataset fails Class 1 requirements
Explanation: Compute RMSE_r = sqrt([sum(delta_x^2) + sum(delta_y^2)] / N) = sqrt([1.44 + 1.81] / 25) = 0.36055 m. Then CE90 = 1.5175 × 0.36055 m = 0.547 m. Because 0.547 m is below the 1.50 m threshold supplied in the stem, the dataset passes. This is an independent English-language MCQ study adaptation.
7What is the current reference epoch used for SRGI2013 coordinates after BIG's 2021 update?
A.Epoch 2000.0 (1 January 2000)
B.Epoch 2021.0 (1 January 2021)
C.Epoch 2012.0 (1 January 2012)
D.Epoch 1984.0 (1 January 1984)
Explanation: BIG's current SRGI product information states that SRGI2013 horizontal coordinates were updated to reference epoch 2021.0 under BIG Head Decree No. 33.2/2021. Epoch 2012.0 was the initial SRGI2013 reference epoch, so older coordinates may need an epoch transformation before combination with the updated realization. This item is an independent English-language MCQ study adaptation.
8What is the standard map projection scale factor at the Central Meridian (k0) specified for Universal Transverse Mercator (UTM) zones in Indonesia?
A.1.00000
B.0.99900
C.0.99990
D.0.99960
Explanation: The UTM projection defines a central meridian scale factor of k0 = 0.9996 across its standard 6-degree longitudinal zones to balance scale distortion across the zone width. This concept is assessed as part of an independent English-language MCQ study adaptation.
9A geodetic benchmark in Western Java has an SRGI2013-compatible secular velocity of V_E = 24.0 mm/year and V_N = -8.0 mm/year. If it was surveyed at epoch 2024.0, what displacement must be applied to reduce the observations to the current SRGI2013 reference epoch 2021.0, assuming no co-seismic jump?
A.Delta East = -0.072 m; Delta North = +0.024 m
B.Delta East = +0.072 m; Delta North = -0.024 m
C.Delta East = -0.024 m; Delta North = +0.008 m
D.Delta East = -0.288 m; Delta North = +0.096 m
Explanation: The interval from epoch 2021.0 to 2024.0 is 3.0 years. Forward motion is +0.024 m/year × 3 = +0.072 m east and -0.008 m/year × 3 = -0.024 m north. Reducing the 2024.0 coordinates to 2021.0 subtracts that motion, so the applied displacement is -0.072 m east and +0.024 m north. This item is an independent English-language MCQ study adaptation.
10How many independent parameters are solved for in a standard 3D Helmert (or Bursa-Wolf) datum transformation between two geodetic Cartesian coordinate systems, and what do they represent geometrically?
A.14 parameters: 7 static parameters plus 7 second-order gravitational spherical harmonics
B.3 parameters: 3 translations only, assuming identical orientation and scale
C.7 parameters: 3 translations (Tx, Ty, Tz), 3 rotation angles (Rx, Ry, Rz), and 1 differential scale factor (s or delta s)
D.4 parameters: 2 translations, 1 rotation, and 1 scale factor restricted to 2D conformal planes
Explanation: The classical Bursa-Wolf 7-parameter model determines three translation shifts along the geocentric X, Y, Z axes, three small rotation angles around the axes, and one scale change factor. This allows coordinate conversion between legacy terrestrial datums (like ID-74 or DGN-95) and modern frames. Disclosed here as an independent English-language MCQ study adaptation.

About the Ahli Madya Survei Terestris Exam

Ahli Madya Survei Terestris (KKNI Jenjang 8, scheme SS-01-AMST-08-2026) is an active LSP ISI qualification across geospatial policy, innovative geodetic and vertical references, and innovative precise positioning.

Exam sponsor: LSP Survei Pemetaan Ikatan Surveyor Indonesia under BNSP licensing. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

Route A: 120-minute portfolio evidence-verification interview plus 40-minute written questions. Route B: 100-minute structured instruction/case study plus 40-minute written questions.

Time Limit

160 minutes of published activities for Route A; 140 minutes for Route B

Passing Score

Competency decision; numeric pass mark not published

Exam / Certification Fees

Rp 4.000.000

Exam sponsor website

Reported exam pass rate: Not published. Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

6 of 24 questions

M.71IGN00.001.2 — Geospatial Policy Formulation

Institutional roles, interoperability, map accuracy, and topological quality.

6 of 24 questions

M.71IGN00.290.2 — Geodetic Reference Frame Innovation

Reference epochs, projections, transformations, and deformation.

6 of 24 questions

M.71IGN00.291.2 — Vertical Reference System Innovation

Height systems, geoid models, leveling, datum ties, and validation.

6 of 24 questions

M.71IGN00.292.2 — Precise Positioning Innovation

GNSS observables, ambiguity methods, geometry, atmosphere, and satellite clocks.

Preparing for the Ahli Madya Survei Terestris Exam

What You Need to Know

  • Passing score: Competency decision; numeric pass mark not published
  • Assessment: Route A: 120-minute portfolio evidence-verification interview plus 40-minute written questions. Route B: 100-minute structured instruction/case study plus 40-minute written questions.
  • Time limit: 160 minutes of published activities for Route A; 140 minutes for Route B
  • Exam / certification fees: Rp 4.000.000 Official sources

Using Our Practice Resources

  • Work through all 24 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

Ahli Madya Survei Terestris: Suggested Study Strategy

1Master the technical principles of Indonesia's datum SRGI2013 and its deformation velocity models.
2Review high-order geoid determination formulas and GNSS-derived orthometric height calculations.
3Study national geospatial regulations under UU Informasi Geospasial (UU No. 4/2011) and related presidential decrees.

Frequently Asked Questions

What is the current scheme code and certification level?

The current LSP ISI listing is SS-01-AMST-08-2026 at Jenjang 8 (Ahli Madya).

What are the four competency units tested?

The units are M.71IGN00.001.2 (Geospatial Policy), M.71IGN00.290.2 (Geodetic Reference Frame Innovation), M.71IGN00.291.2 (Vertical Reference Innovation), and M.71IGN00.292.2 (Precise Positioning Innovation).

What is the official certification fee?

The official published fee on the LSP ISI registration portal is Rp 4.000.000.