Top Farm Airfield
Daylight today(Sep 1, 2026, local time)
About 13h 38m 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 Top Farm Airfield
Top Farm Airfield is a small airport in Royston, Cambridgeshire, United Kingdom. It sits at an elevation of 226 ft (69 m). It observes Europe/London local time. The nearest airport is Little Gransden Airfield (EGMJ), about 2.8 nm to the nnw.
Summary generated from this airport’s structured data — reference only.
Live traffic nearby
Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.
Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (0)
No runway data recorded for this airport.
Airspace in this area(1)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| LONDON TMA 9 | Class A | TMA | 5500 ft MSL | FL195 |
Approximate bounding-box match from OpenAIP · all United Kingdom airspace. Reference only — consult official charts for exact boundaries and status.
VFR reporting points nearby
| Point | Distance | Bearing | Reporting |
|---|---|---|---|
| NUTHAMPSTEAD | 10.4 nm | 140° | On request |
| PIRTON | 12 nm | 221° | On request |
| AUDLEY END RAILWAY | 13.9 nm | 121° | On request |
| OFFLEY | 14.1 nm | 216° | On request |
| PUCKERIDGE A10/A120 | 15 nm | 162° | On request |
| STEWARTBY BRICKWORKS | 15.1 nm | 259° | On request |
| DEBDEN | 16.5 nm | 118° | On request |
| HAZELEND WOOD | 17.4 nm | 142° | On request |
| KIMPTON HALL | 17.9 nm | 202° | On request |
| HANGAR 12 | 19 nm | 139° | On request |
Named VFR reporting points within ~20 nm; distance and bearing are from the airport reference point. Data via OpenAIP. Reference only — check the current VAC/AIP for procedures and whether a report is required.
Tall obstacles nearby
| Obstacle | Height AGL | Top (MSL) | Lit |
|---|---|---|---|
| Sandy Heath TV Transmitter | 801 ft | 112 ft | — |
| Obstacle | 492 ft | 125 ft | — |
| Obstacle | 492 ft | 82 ft | — |
| Obstacle | 492 ft | 157 ft | — |
| Obstacle | 328 ft | 157 ft | — |
| Obstacle | 262 ft | 138 ft | — |
| Obstacle | 262 ft | 108 ft | — |
| Obstacle | 262 ft | 154 ft | — |
Tallest obstacles within ~10 nm. Data via OpenAIP. Reference only — consult official charts.
Nearby airports
Great-circle distance and true bearing from Top Farm Airfield.
Frequently asked questions
Where is Top Farm Airfield located?
Top Farm Airfield is small airport located in Royston, Cambridgeshire, United Kingdom, at an elevation of 226 ft (69 m).
What time zone is Top Farm Airfield in?
Top Farm Airfield is in the Europe/London time zone (UTC+01:00).
What is the magnetic variation at Top Farm Airfield?
The magnetic variation (declination) at Top Farm Airfield is approximately 1.1° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Top Farm Airfield?
The nearest airport to Top Farm Airfield is Little Gransden Airfield (EGMJ), about 2.8 nm to the nnw, followed by Gransden Lodge Airfield and Armshold Farm Airstrip.
Is the information on this page suitable for flight planning?
No. Top Farm Airfield data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.