ZS-ULT
Bombardier Learjet 45
South Africa
NBO (Jomo Kenyatta International Airport, Nairobi)

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Viewing period:
Compared to: preceding 12 months · Apr 2024 – Apr 2025
Apr 2025 – Mar 2026·vs Apr 2024 – Apr 2025

Emissions Overview

0.6
Tons CO2 This Month
Below Average0.1× avg for Learjet 45
1.9
Tons CO2 YTD
Below Average0.1× avg for Learjet 45
9.1
CO2 Tons Since 2025
Below Average0.0× avg for Learjet 45
Emissions Intensity0.02t CO₂/nmAbove Average3.4× avg for Learjet 45
6.4 tons CO2 in selected period

2026 pace: On track for approximately 8t CO₂ by year end · ↑ 6% vs full year 2025 (7t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 0.8t CO₂/month

0.8t
CO₂/month
0.7t
Avg per flight
4
Distinct routes
Highly Concentrated3 routes account for 94% of total emissions
Highest emission route
Nairobi → Naivasha
4.1t CO₂ total · 0.0132t CO₂/nm
South Africa·73 aircraft tracked·Ranked 42nd by emissions among 109 countries·0.1× country averageBelow Average
What's ChangedCompared to prior equivalent period
Emissions
Prior data unavailable
Intensity
Prior data unavailable
New Routes
4
10t CO₂ combined
Dropped Routes
1
Prior period only
Avg per Flight
Prior data unavailable
Flight Count
Prior data unavailable

Route and airport counts may include data processing artefacts.

Spikes

Significant deviations from this aircraft's baseline in the selected period.

CO₂ Above Baseline

5t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New13 Dec – 19 Dec 2025
Elevated activity period · 2 flights in 6 days vs baseline of 0
Contributed approximately 1t CO₂ to period total — 12% of period emissions
Aircraft
Medium
New3 Jan – 9 Jan 2026
Elevated activity period · 2 flights in 6 days vs baseline of 0
Contributed approximately 1t CO₂ to period total — 12% of period emissions
Aircraft
Medium
New23 Jan – 29 Jan 2026
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 1t CO₂ to period total — 6% of period emissions
Aircraft
Medium
Historical2 Oct – 17 Oct 2025
15-day inactive period
0.6t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical24 Oct – 21 Nov 2025
28-day inactive period
1.2t CO₂ in the 7 days following resumption
Recent Flights
Mar 30, 20260.6t CO₂
HKNWNairobi
HKJKNairobi
8 miles8m
Mar 6, 20260.6t CO₂
HKNWNairobi
HKJKNairobi
8 miles9m
Jan 29, 20260.6t CO₂
HKJKNairobi
HKNVNaivasha
51 miles16m
Jan 23, 20260.6t CO₂
HKJKNairobi
HKNVNaivasha
51 miles15m
View Details
Jan 9, 20260.6t CO₂
HKJKNairobi
HKNVNaivasha
51 miles18m
View Details
Jan 9, 20260.6t CO₂
HKNWNairobi
HKJKNairobi
8 miles8m
View Details
Dec 19, 20250.6t CO₂
HKJKNairobi
HKNONarok
80 miles19m
View Details
Dec 19, 20250.6t CO₂
HKNWNairobi
HKJKNairobi
8 miles10m
View Details
Dec 11, 20250.6t CO₂
HKJKNairobi
HKNVNaivasha
51 miles14m
View Details
Nov 28, 20250.6t CO₂
HKJKNairobi
HKNVNaivasha
51 miles17m
View Details
Nov 21, 20250.6t CO₂
HKJKNairobi
HKNVNaivasha
51 miles17m
View Details
Oct 24, 20250.6t CO₂
HKJKNairobi
HKNVNaivasha
51 miles12m
View Details
Oct 17, 20250.6t CO₂
HKNWNairobi
HKJKNairobi
8 miles8m
View Details
Oct 2, 20252.4t CO₂
FACTCape Town
FALALanseria
786 miles1h 32m
View Details
Jan 15, 20252.7t CO₂
FACTCape Town
FADU
913 miles1h 40m
View Details
Top Airports by Emissions
Nairobi

Nairobi

HKJK

Total CO₂

7.5t

Total Visits

13

Avg CO₂/visit

0.6t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Naivasha

Naivasha

HKNV

Total CO₂

4.1t

Total Visits

7

Avg CO₂/visit

0.6t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Nairobi

Nairobi

HKNW

Total CO₂

2.9t

Total Visits

5

Avg CO₂/visit

0.6t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Cape Town

Cape Town

FACT

Total CO₂

2.4t

Total Visits

1

Avg CO₂/visit

2.4t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Lanseria

Lanseria

FALA

Total CO₂

2.4t

Total Visits

1

Avg CO₂/visit

2.4t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Narok

Narok

HKNO

Total CO₂

0.6t

Total Visits

1

Avg CO₂/visit

0.6t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Top Routes by Emissions
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