From ce9e025afc85829640462564078f138a68db98c0 Mon Sep 17 00:00:00 2001
From: Matthias Nott <mnott@mnsoft.org>
Date: Wed, 18 Mar 2026 23:20:51 +0100
Subject: [PATCH] fix: Q27-29 options match figure labels, Q36 question text

---
 SPL Exam Questions EN/30 - Flight Performance and Planning.md |   46 ++++++++++++++++++++++++++--------------------
 1 files changed, 26 insertions(+), 20 deletions(-)

diff --git a/SPL Exam Questions EN/30 - Flight Performance and Planning.md b/SPL Exam Questions EN/30 - Flight Performance and Planning.md
index 94129a7..98c8c8e 100644
--- a/SPL Exam Questions EN/30 - Flight Performance and Planning.md
+++ b/SPL Exam Questions EN/30 - Flight Performance and Planning.md
@@ -599,20 +599,22 @@
 
 ![ICAO Obstacle Symbols](figures/t30_q27.svg)
 
-- **A)** D
-- **B)** C
-- **C)** B
-- **D)** A
+- **A)** Single lighted obstacle
+- **B)** Single unlighted obstacle
+- **C)** Group of lighted obstacles
+- **D)** Group of unlighted obstacles
 
 #### Answer
 
-B)
+D)
 
 #### Explanation
 
-The correct answer is B (symbol C in the figure) because ICAO Annex 4 chart symbology uses distinct symbols to differentiate between single obstacles versus groups, and lighted versus unlighted. The symbol for a group of unlighted obstacles is specifically designated in the reference figure as C. Knowing these symbols is critical for cross-country planning and obstacle avoidance.
+The correct answer is D because ICAO Annex 4 chart symbology uses distinct symbols to differentiate between single obstacles versus groups, and lighted versus unlighted. The symbol for a group of unlighted obstacles is shown as D in the figure — two filled circles side by side with no light rays. Knowing these symbols is critical for cross-country planning and obstacle avoidance.
 
-- **Option A** — A, C, and D represent other obstacle categories such as single obstacles, lighted groups, or other types.
+- **Option A** — represents a single lighted obstacle (filled circle with light rays).
+- **Option B** — represents a single unlighted obstacle (filled circle only).
+- **Option C** — represents a group of lighted obstacles (two filled circles with light rays).
 
 #### Key Terms
 
@@ -624,20 +626,22 @@
 
 ![ICAO Airport Symbols](figures/t30_q28.svg)
 
-- A) C
-- B) A
-- C) B
-- D) D
+- **A)** Civil airport, paved runway
+- **B)** Military airport, paved runway
+- **C)** Civil airport, unpaved runway
+- **D)** Heliport
 
 #### Answer
 
-B)
+A)
 
 #### Explanation
 
-The correct answer is B (symbol A in the figure) because ICAO aeronautical chart symbology differentiates airports by civil versus military status, international versus domestic, and runway surface type. A civil domestic airport with a paved runway has a specific symbol shown as A in the annex. Glider pilots use these symbols when planning outlanding fields or alternate airports.
+The correct answer is A because ICAO aeronautical chart symbology differentiates airports by civil versus military status and runway surface type. A civil airport with a paved runway is shown as symbol A in the figure — a circle with a solid filled runway bar through the centre. Glider pilots use these symbols when planning outlanding fields or alternate airports.
 
-- **Option A** — A, C, and D represent other aerodrome categories such as international airports, military airfields, or unpaved-runway airports.
+- **Option B** — represents a military airport with paved runway (circle with runway bar and crossbar).
+- **Option C** — represents a civil airport with unpaved runway (circle with open/outlined runway bar).
+- **Option D** — represents a heliport (square with H).
 
 #### Key Terms
 
@@ -649,10 +653,10 @@
 
 ![ICAO Spot Elevation Symbols](figures/t30_q29.svg)
 
-- A) C
-- B) B
-- C) A
-- D) D
+- **A)** General spot elevation
+- **B)** Highest spot elevation on chart
+- **C)** Mountain peak / summit
+- **D)** Trigonometric point
 
 #### Answer
 
@@ -660,9 +664,11 @@
 
 #### Explanation
 
-The correct answer is A (symbol C in the figure) because ICAO charts use specific symbols to differentiate between general spot elevations, surveyed elevation points, and obstruction heights. A general spot elevation marks a notable terrain high point for situational awareness and is depicted according to ICAO Annex 4 standards. Familiarity with these symbols is essential for terrain clearance planning.
+The correct answer is A because ICAO charts use specific symbols to differentiate between general spot elevations, the highest elevation on a chart, mountain peaks, and trigonometric points. A general spot elevation is shown as symbol A — a small dot with a plain elevation number beside it. Familiarity with these symbols is essential for terrain clearance planning.
 
-- **Option B** — B, C, and D represent other elevation-related symbols such as maximum elevation figures or obstruction markers.
+- **Option B** — represents the highest spot elevation on the chart (larger bold dot with bold underlined number).
+- **Option C** — represents a mountain peak or summit (filled triangle with elevation number).
+- **Option D** — represents a trigonometric point (open triangle with centre dot and elevation number).
 
 #### Key Terms
 

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