Airports / Silverhill Naval Outlying Landing Field

Silverhill Naval Outlying Landing Field(KNQB)

Daphne, United States

Last updated: Mar 29, 2026

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Viewing period:
Compared to: preceding 12 months · May 2024 – May 2025
May 2025 – Apr 2026·vs May 2024 – May 2025· Emissions increasing vs prior period

Activity Summary

295.2
Tons CO2 Total
1.5
Avg CO2/Flight
183
Flights Total
Emissions Intensity0.01t CO₂/nm
124.7 tons CO2 in selected period

Airport Patterns

Emissions up 299% vs prior period — significantly busier than prior period

125t
Total CO₂
1.5t
Avg CO₂/flight
183
Flights
Operator Profile

Charter/owner classification not available for this airport's flights

Emissions
274%
79t → 295t CO₂
CO₂ Intensity
11%
1.4t → 1.5t per departure
Flight Count
134
49 → 183 flights
New Routes
105
234t CO₂ combined
Dropped Routes
18
Prior period only
New Aircraft
79
79 new tail numbers
Top Destinations
Mobile14.5t CO₂
2 flights · avg 7.3t/flight
Orlando9.2t CO₂
3 flights · avg 3.1t/flight
San Antonio6.3t CO₂
2 flights · avg 3.2t/flight
Nashville5.6t CO₂
4 flights · avg 1.4t/flight
Memphis5.6t CO₂
4 flights · avg 1.4t/flight

Spikes

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

CO₂ Above Baseline

53t

Signals Detected

4

Highest Severity

High

MediumJul 28, 2025 – Aug 3, 2025

Elevated activity Jul 28, 2025 – Aug 3, 2025 — 8 flights in 7 days vs baseline of 4

8 flights recorded in a 7-day window, exceeding the airport baseline of 4 flights per week by 107%.

12.7t CO₂

MediumAug 6, 2025 – Aug 12, 2025

Elevated activity Aug 6, 2025 – Aug 12, 2025 — 8 flights in 7 days vs baseline of 4

8 flights recorded in a 7-day window, exceeding the airport baseline of 4 flights per week by 107%.

10.7t CO₂

MediumSep 18, 2025 – Sep 24, 2025

Elevated activity Sep 18, 2025 – Sep 24, 2025 — 8 flights in 7 days vs baseline of 4

8 flights recorded in a 7-day window, exceeding the airport baseline of 4 flights per week by 107%.

15.8t CO₂

HighJul 2, 2025

Single high-emission departure N118AD → KBFM on Jul 2, 2025 — 14.0t CO₂, 100% of day's total

Aircraft N118AD departing to KBFM produced 14.0t CO₂, representing 100% of all airport emissions on Jul 2, 2025.

14.0t CO₂

Route Map

Top Routes by Emissions
DaphneMobile

KNQB to KBFM · 16 miles

Total Flights

2

Avg CO₂/Flight

7.3t

Total Emissions

14.5t CO₂

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

KNQB to KORL · 413 miles

Total Flights

3

Avg CO₂/Flight

3.1t

Total Emissions

9.2t CO₂

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

KNQB to KSAT · 641 miles

Total Flights

2

Avg CO₂/Flight

3.2t

Total Emissions

6.3t CO₂

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

KNQB to KBNA · 389 miles

Total Flights

4

Avg CO₂/Flight

1.4t

Total Emissions

5.6t CO₂

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

KNQB to KMEM · 334 miles

Total Flights

4

Avg CO₂/Flight

1.4t

Total Emissions

5.6t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
DaphneWest Palm Beach

KNQB to KPBI · 539 miles

Total Flights

3

Avg CO₂/Flight

1.7t

Total Emissions

5.1t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
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Aircraft Using This Airport
View All Aircraft
N118AD·Dassault Falcon 2000
15.0t CO₂ · avg 7.5t/visit · 2 visits · Last seen 2 Sept 2025
N96RX·Cessna Citation X
11.7t CO₂ · avg 2.9t/visit · 4 visits · Last seen 9 Mar 2026
N631JD·Cessna Citation XLS
4.4t CO₂ · avg 1.5t/visit · 3 visits · Last seen 26 Feb 2026
N396QSCharter·Cessna Citation Sovereign
3.9t CO₂ · avg 3.9t/visit · 1 visit · Last seen 24 Feb 2026
N345MG·Cessna Citation CJ4
3.8t CO₂ · avg 3.8t/visit · 1 visit · Last seen 31 Jul 2025
N15TZ·Cessna Citation X
3.4t CO₂ · avg 1.7t/visit · 2 visits · Last seen 26 Mar 2026
N557XJCharter·Bombardier Challenger 300
3.3t CO₂ · avg 3.3t/visit · 1 visit · Last seen 1 Jul 2025
N832QSCharter·Cessna Citation Longitude
3.0t CO₂ · avg 3.0t/visit · 1 visit · Last seen 7 May 2025
N3ZC·Cessna Citation Sovereign
2.9t CO₂ · avg 2.9t/visit · 1 visit · Last seen 20 Mar 2026
N410FXCharter·Embraer Praetor 500
2.6t CO₂ · avg 2.6t/visit · 1 visit · Last seen 21 Nov 2025
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Recent Flights

10 total flights recorded

Showing most recent flights — not filtered by viewing period