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| RNAS Killingholme | |
|---|---|
| Name | RNAS Killingholme |
| Location | North Killingholme, Lincolnshire, England |
| Coordinates | 53.633°N 0.166°W |
| Type | Seaplane base and airship station |
| Used | 1914–1920 |
| Owner | British Admiralty |
| Controlledby | Royal Naval Air Service |
| Battles | First World War |
RNAS Killingholme
RNAS Killingholme was a Royal Naval Air Service base and seaplane station located at North Killingholme in Lincolnshire. Established during the First World War to support maritime patrols, anti-submarine operations and convoy escort duties in the North Sea, it became an important node in the Admiralty's network of coastal aviation. The station hosted seaplanes, flying boats and airships, working alongside units from the Royal Flying Corps and coordinating with the Royal Navy's Grand Fleet elements based at ports such as Scapa Flow and Rosyth.
Construction of the base began as part of a rapid expansion driven by the First World War's U-boat threat and the need to protect maritime trade routes. The site was selected for its proximity to the approaches to the River Humber and its short transit to patrol sectors used by the British Home Fleet. Official commissioning saw the arrival of cadres from established naval aviation centres including Hendon Aerodrome and detachments from East Fortune. During 1916–1918 the station expanded to accommodate new flying-boat types and airship operations transferred from other coastal stations. The 1918 amalgamation of the Royal Naval Air Service with the Royal Flying Corps into the Royal Air Force affected administrative control, and the site’s wartime peak gave way to demobilisation pressures and changing strategic priorities.
The base comprised slipways, hangars, workshops and accommodation blocks built close to tidal creeks providing sheltered water for take-off and landing. Purpose-built sheds and hangars were similar to those erected at Calshot and Felixstowe, while engineering works mirrored facilities at Portsmouth and Chatham Dockyard. Onshore structures included petrol stores, wireless telegraphy huts and ordnance stores modelled on standards used across Royal Naval Air Service installations. Airship mooring and maintenance was supported by slip-ways and shed space comparable to that at Pulham Airship Station, enabling cross-servicing of non-rigid and semi-rigid types.
Several flights and squadrons rotated through Killingholme, drawing personnel from squadrons posted from No. 3 Wing RNAS and coastal units associated with the Admiralty's Air Department. Patrols worked in concert with naval flotillas including elements of the Grand Fleet and local patrol craft based near Grimsby and Immingham. Operational control coordinated with Coastal Command predecessors and liaison was maintained with the Ministry of Munitions for armament supply. Notable units included those operating proven maritime patrol seaplanes and experimental flights tasked with anti-submarine tactics developed in parallel with work at RAF Lee-on-Solent and Felixstowe.
Killingholme hosted a range of seaplanes and flying boats, reflecting contemporary developments at Short Brothers facilities and seaplane manufacturers such as Supermarine and Sopwith Aviation Company. Types known to operate from coastal establishments at the time included the Short 184, Felixstowe F.2 and Sopwith-designed patrol variants; airship complements comprised non-rigid types similar to SS class airship models. Wireless direction-finding apparatus, depth-charge systems and early bomb-aiming gear were installed in seaplane hulls and airship gondolas, echoing equipment fitted at RNAS Calshot and experimental gear trialled at Eastchurch.
As U-boat warfare intensified, the Killingholme station contributed to convoy protection, reconnaissance and anti-submarine warfare operations in the North Sea. Crews carried out long-range patrols to locate enemy submarines and surface raiders, and worked in coordination with escorting destroyers from bases such as Humber and Immingham. Operational reporting fed into Admiralty intelligence cycles and aided routing decisions for convoys between North Sea ports and transatlantic convoys linked via Liverpool and Newcastle upon Tyne. The station also participated in search-and-rescue efforts for downed aircrew and torpedoed merchant seamen, integrating with civilian lifeboat services and naval rescue vessels.
Following the armistice, demobilisation and the 1918 creation of the Royal Air Force precipitated widespread reductions. Like many forward wartime establishments, the station experienced a drawdown of personnel and materiel, and facilities were repurposed or dismantled. Residual maintenance tasks supported by contractors from industrial centres such as Sheffield and Leeds continued into 1919, but by 1920 the base ceased flying operations and most structures were sold or removed. Ownership reversion and land reclamation returned parts of the site to agricultural use and to the expansion projects associated with ports at Immingham and Grimsby.
Physical traces of the base largely disappeared, though local heritage projects and aviation historians have documented its footprint alongside surviving records held by institutions including the National Archives (United Kingdom) and the Imperial War Museums. Commemorative work by regional societies and municipal museums in Lincolnshire and North East Lincolnshire has preserved photographs, logs and oral histories that connect community memory to wider studies of Royal Naval Air Service coastal aviation. Comparative studies draw on surviving infrastructures at locations such as Calshot and Sanday (Orkney) for interpretation, while artefacts dispersed to collections at the Royal Air Force Museum and local history centres ensure continued research access.
Category:Royal Naval Air Service stations Category:Royal Air Force stations in Lincolnshire Category:Military history of Lincolnshire