Mount Denison Airport
Daylight today(Jul 18, 2026, local time)
About 10h 55m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About Mount Denison Airport
Mount Denison Airport is a small airport in Australia (ICAO YMNN). It has 1 runway, the longest 3,211 ft / 979 m. It observes Australia/Darwin local time. The nearest airport is Mount Allan Airport (YMNA), about 11.4 nm to the se.
Summary generated from this airport’s structured data — reference only.
Live weather
YMNNLive departures & arrivals
Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.
Where you can fly from here
Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (1)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 13 / 31 | 3,211 ft / 979 m | — | N | Unlit | Open |
Radio frequencies (2)
| Type | Description | Frequency |
|---|---|---|
| CTAF | CTAF | 119.800 MHz |
| MISC | MISC | 124.800 MHz |
Airspace in this area(5)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| MELBOURNE FIR CTA A2 | Class A | CTA | FL245 | FL600 |
| BRISBANE FIR CTA A2 | Class A | CTA | FL245 | FL600 |
| CONTINENTAL AUSTRALIA CTA E1 | Class E | Controlled | FL125 | FL245 |
| MELBOURNE CENTRE | Class E | Controlled | GND | FL125 |
| MELBOURNE EFREQUENCY | Class E | Controlled | FL125 | FL245 |
Approximate bounding-box match from OpenAIP · all Australia airspace. Reference only — consult official charts for exact boundaries and status.
Nearby airports
Great-circle distance and true bearing from Mount Denison Airport.
Frequently asked questions
What is the ICAO code for Mount Denison Airport?
The ICAO code for Mount Denison Airport is YMNN.
Where is Mount Denison Airport located?
Mount Denison Airport is small airport located in Australia.
How many runways does Mount Denison Airport have?
Mount Denison Airport has 1 runway, the longest being 3,211 ft / 979 m.
What time zone is Mount Denison Airport in?
Mount Denison Airport is in the Australia/Darwin time zone (UTC+09:30).
What is the magnetic variation at Mount Denison Airport?
The magnetic variation (declination) at Mount Denison Airport is approximately 3.7° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Mount Denison Airport?
The nearest airport to Mount Denison Airport is Mount Allan Airport (YMNA), about 11.4 nm to the se, followed by Yuendumu Airport and Coniston Airport.
Is the information on this page suitable for flight planning?
No. Mount Denison Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.