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+++ FLIGHT ADVISORY PORTAL: RUSSELLS FARM HELIPORT +++

Notice to all remote pilots navigating this specific grid sector. This zone has been marked due to persistent low-altitude manned rotary aircraft operations.

* LOCATION IDENTIFICATION: Russells Farm active heliport facility.
* ALTITUDE STRUCTURE: Effective from surface level extending vertically upward.
* SPECIFIC SAFETY PROFILE: Elevated probability of encountering low-level helicopters during takeoff, approach, and landing patterns. 
* DIRECT COMPLIANCE REQUIREMENT: Drone operators must secure an unhindered visual tracking arc, maintain continuous look-and-listen vigilance, and instantly yield flight paths to avoid any incoming or outgoing rotary traffic.

LOCAL AVIATION SAFETY CIRCULAR: CHISWELL GREEN

Remote operators must note a permanent safety advisory regarding active sporting aviation traffic within this sector.

▪ Location Identity: Plaistows Microlight Site, positioned at Chiswell Green.
▪ Base Elevation: The airfield facility sits at an elevation of 395 feet AMSL.
▪ Airspace Profile: Frequent low-altitude microlight and ultralight aircraft operations, including launch, recovery, and training circuits, take place from the surface upward.
▪ Flight Protocol: Unmanned aircraft pilots must preserve an unbroken visual line of sight across the horizontal plane, scan thoroughly for light recreational aircraft, and instantly yield right-of-way to all manned traffic.

=== METROPOLITAN FLIGHT SAFETY DISPATCH: CUFFLEY ===

A localized temporary flight advisory has been established within the Cuffley airspace to alert all unmanned system operators of concurrent large-scale recreational flight operations.

CRITICAL FLIGHT DATA:
> Location Boundary: 0.5 Nautical Mile radius from central point 51°42'19"N, 000°07'46"W (Cuffley zone).
> Altitude Restriction: Spanning from surface ground level up to 1,600 feet AMSL.
> Operational Timeline: Active daily between 07:00 and 20:00 UTC, covering the date range from April 24 through July 22, 2026.
> Threat Profile: Active piloting of oversized/large-scale model aircraft, presenting a potential collision risk to lower-altitude drones.
> Required Protocol: Maintain absolute visual observation, scan the horizontal plane continuously, and exercise extreme caution when navigating this 0.5NM radius. All model and manned aircraft possess absolute right-of-way.

DOCUMENT REFERENCE: Sourced from CAA Airspace Navigation Warning under NOTAM reference EGGN/H1745/26 (Event ID: AR-2026-3028/01).

Local Airspace Hazard Bulletin: Chiswick & Hammersmith

Drone operators planning flights within this metropolitan section must account for a temporary changes to the physical obstacle environment.

Obstacle Parameters: A high-reaching tower crane is active at position 51°30'38"N, 000°15'00"W. The topmost point of the structure extends up to 260ft AGL (Above Ground Level) and 285ft AMSL (Above Mean Sea Level).
Validity Period: The safety hazard warning is effective starting June 1, 2026, through to August 31, 2026.
Operational Guidelines: Remote pilots should maintain an increased visual scanning radius, ensure substantial horizontal separation from the construction area, and yield the right-of-way immediately to all low-altitude manned traffic.
Source Tracking: Authenticated through UK aviation database filing EGGN/N0419/26.

REGULATORY AIRSPACE ALERT: BOTANY BAY SECTOR

An active flight warning is current for the Enfield and Botany Bay area regarding localized recreational traffic. Heavy model aircraft activities are concentrated within a 1 nautical mile perimeter centered on coordinates 51°41'05"N, 000°07'41"W.

PARAMETERS & LIFETIME:
Altitude Scope: From surface level up to 2000ft AMSL.
Validity Span: Operates daily between 09:00 and 19:00 UTC, running from May 7, 2026, through to August 4, 2026.
Operational Directive: Unmanned aircraft pilots are required to exercise extreme visual scanning vigilance to identify fast-moving or heavy model aircraft sharing the airspace and yield right-of-way unconditionally.
 Reference Profile: Published under UK aviation authority NOTAM ID EGGN/H2234/26 (Activity Ref: AR-2026-3652/02).

Local Airspace Hazard Bulletin: Chiswick & Hammersmith

Drone operators planning flights within this metropolitan section must account for a temporary changes to the physical obstacle environment.

Obstacle Parameters: A high-reaching tower crane is active at position 51°30'38"N, 000°15'00"W. The topmost point of the structure extends up to 260ft AGL (Above Ground Level) and 285ft AMSL (Above Mean Sea Level).
Validity Period: The safety hazard warning is effective starting June 1, 2026, through to August 31, 2026.
Operational Guidelines: Remote pilots should maintain an increased visual scanning radius, ensure substantial horizontal separation from the construction area, and yield the right-of-way immediately to all low-altitude manned traffic.
Source Tracking: Authenticated through UK aviation database filing EGGN/N0419/26.

Urban Obstacle Notification: Fulham & Chelsea Sector

Attention remote pilots: a temporary structural asset has been deployed within this metropolitan flight zone, modifying the local terrain profile.

Asset Specifics: A high-reaching construction crane is active at grid position 51°31'00"N, 000°12'57"W. The physical framework stands up to 154ft AGL (Above Ground Level) and 205ft AMSL (Above Mean Sea Level).
Active Window: The temporary hazard rating is valid from June 1, 2026, through August 31, 2026.
Pilot Vigilance: Operators must ensure continuous visual tracking of the aircraft, give a wide berth to the engineering site, and ensure immediate yielding of right-of-way to any low-altitude manned aviation traffic.
Aeronautical Index: Registered officially under UK NOTAM listing EGGN/N0414/26.

Temporary Crane Advisory: Kensington / Earl's Court Sector

Remote pilots are advised of a newly active vertical infrastructure hazard within this urban flight environment. 

Obstacle Parameters: An industrial crane is structurally active at geographic point 51°31'40"N, 000°12'19"W. The physical framework spans up to a maximum elevation of 135ft AGL (Above Ground Level) and 285ft AMSL (Above Mean Sea Level).
Active Horizon: The temporary hazard profile is registered from June 1, 2026, through to August 31, 2026.
Flight Compliance: Drone operations in this vicinity require constant visual monitoring of the surrounding airspace. Operators must give a wide, safe berth to the machinery and immediately grant the right-of-way to all manned aircraft.
Aviation Filing Reference: Tracked under UK civil aviation NOTAM item EGGN/N0421/26.

Vertical Airspace Obstacle: Hornsey & Haringey

Notice to remote pilots operating lower-altitude unmanned aircraft within this metropolitan grid. A temporary structural hazard is present.

Obstacle Specification: A lit tower crane is active at geographic position 51°35'50"N, 000°06'26"W. The topmost point of the structure penetrates the airspace up to 256ft AGL (Above Ground Level) and 350ft AMSL (Above Mean Sea Level).
Operational Window: This safety advisory remains effective from May 1, 2026, through July 30, 2026.
Flight Safety Protocol: All drone operators must maintain clear separation from the construction infrastructure, execute continuous airspace scanning for low-level manned traffic, and give absolute right-of-way priority to arriving or departing aircraft.
Official Safety Index: Documented via UK NATS/CAA NOTAM filing EGGN/N0346/26.

### Temporary High-Rise Crane Obstruction: Central London

A localized safety warning has been established for lower-level flight paths in this metropolitan zone due to short-term construction activity.

Specific Hazard: A tall, illuminated crane asset is actively positioned at grid reference 51°31'37"N, 000°10'19"W. The physical apex of the machinery reaches 280ft AGL (Above Ground Level) and 420ft AMSL (Above Mean Sea Level).
Effective Duration: This temporary hazard profile spans from June 1, 2026, until August 31, 2026.
Pilot Obligations: Unmanned aircraft commanders are required to look out for lit obstacles, provide wide clearance around the construction site infrastructure, and strictly yield right-of-way to low-altitude traffic.
Aviation Authority Log: Referenced officially under UK NOTAM record EGGN/N0430/26.

Temporary Obstacle Alert (Ealing/Acton Area)

A localized flight advisory is currently in effect due to an elevated construction hazard in the vicinity.

Airspace Hazard: An active crane structure is positioned at coordinates 51°33'00"N, 000°14'28"W. The physical framework reaches heights of 570ft AGL (Above Ground Level) / 689ft AMSL (Above Mean Sea Level).
Schedule: This alert remains valid from March 29, 2026, through to June 27, 2026.
Operator Guidance: Drone pilots must execute flights with heightened vigilance, keep a clear distance from the construction zone, and consistently monitor the surrounding sky for low-altitude aviation traffic.
Data Verification: Regulated under UK NOTAM identification EGGN/N0262/26.

 Cricklewood Temporary Crane Obstruction

A temporary aviation navigation warning is active in this area due to an elevated construction hazard.

The Hazard: A large crane is operating at position 51°34'00"N, 000°13'13"W, extending up to 368ft AGL (Above Ground Level) / 539ft AMSL (Above Mean Sea Level).
Active Window: This warning is active from May 1, 2026, until July 30, 2026.
Pilot Action: Drone operators must maintain extreme vigilance, monitor the airspace for low-flying aircraft or changes in the obstacle environment, and maintain a safe visual separation distance.
Official Reference: NOTAM ID EGGN/A1658/26.

This advisory zone marks Aldenham Grange as an active, unlicensed/uncertificated heliport site. 

The Hazard:There is a heightened risk of encountering low-flying manned aerial vehicles near the ground at this location. 
Pilot Action: Drone operators must maintain a strict visual line of sight and immediately yield the right-of-way to any manned aircraft.

Active Now
Active: Thursday, March 26, 2026 12:00:00 AM (UTC) until Thursday, June 25, 2026 11:59:00 PM (UTC).

Full NOTAM Text
Q) EGTT/QOBCE/IV/M/E/000/006/5134N00012W001 A) EGTT B) FROM: 26/03/26 00:00 C) TO: 26/06/25 23:59 E) LIT CRANE AT PS... LOW FLYING AREA THAMES VALLEY AVOIDANCE AREA DAY AND NIGHT HGT 600FT AMSL (200FT AGL). 26/03/232/LFC

NOTAM ID
EGGN/N0247/26

Vertical limits
This piece of airspace is in effect between Surface and 597ft SPS
Active Now
Active: Saturday, March 14, 2026 12:00:00 AM (UTC) until Sunday, June 14, 2026 11:59:00 PM (UTC).
NOTAM ID
EGGN/N0210/26