No. 804 Naval Air Squadron

No. 804 Naval Air Squadron
Unit name	804 Naval Air Squadron
Caption	Badge of 804 NAS
Dates	Formed 1940; disbanded 1945
Country	United Kingdom
Branch	Royal Navy – Fleet Air Arm
Role	Fighter and strike
Notable commanders	Commander (Royal Navy)

No. 804 Naval Air Squadron was a carrier-based aviation unit of the Royal Navy's Fleet Air Arm formed during the early years of World War II to provide fighter and strike capability for Fleet operations. The squadron flew multiple types of carrier aircraft during campaigns associated with the Norwegian Campaign, the Battle of Britain theatre peripheral operations, and the Mediterranean theatre, operating from Royal Navy fleet carriers and participating in convoy escort, fleet air defence, and ground-attack missions. Its operational life intersected with major maritime and aerial events of the war and with units such as HMS Ark Royal, HMS Ark Royal (91), and Force H.

History

Formed in 1940 at HMS Heron (RNAS Yeovilton) from experienced pilots drawn from Fleet Air Arm schools and front-line squadrons, the squadron was initially equipped to meet urgent Battle of France and Norwegian Campaign requirements. In its early months it deployed aboard HMS Ark Royal (91) and worked alongside squadrons from No. 800 NAS, No. 803 NAS, and No. 801 NAS on operations supporting Operation Menace and convoy escort missions in the North Atlantic, coordinating with units of Western Approaches Command and elements of Force H based at Gibraltar.

Redeployments in 1941 shifted the squadron to the Mediterranean theatre, where it flew from carriers assigned to Mediterranean Fleet task forces and cooperated with units involved in Siege of Malta operations and the Tunisian Campaign. During the squadron's Mediterranean tenure it engaged Axis aircraft from the Regia Aeronautica and Luftwaffe while supporting naval bombardments and protecting convoy routes to Malta. Later in the war, after re-equipment and shore-based training at RNAS Lee-on-Solent and RNAS Stretton, the squadron returned to carrier service for operations linked to the Allied invasion of Sicily and subsequent Central Mediterranean operations, interacting with formations such as Operation Husky planners and cooperating with Royal Air Force Coastal Command units.

As the war progressed, the squadron saw personnel rotations that included pilots who had previously served with Royal Air Force Volunteer Reserve units and exchange officers from United States Navy and Royal Canadian Navy aviation branches. The squadron was disbanded in 1945 following post-war reductions and the reorganization of Fleet Air Arm assets.

Aircraft Operated

During its operational life the squadron flew a sequence of carrier fighters and strike types reflecting technological evolution and operational demands. Early equipment included versions of the Gloster Gladiator used briefly for training, after which the squadron converted to the Blackburn Skua dive bomber/fighter for combined fighter and strike roles during North Sea and Mediterranean sorties. The unit later re-equipped with the carrier-capable Fairey Fulmar for longer-range fleet defence, and subsequently transitioned to the more heavily armed Supermarine Seafire adaptations of the Supermarine Spitfire for improved performance in dogfights and low-level interception.

In later Mediterranean operations the squadron also operated the Grumman Martlet (the British designation for the Grumman F4F Wildcat) supplied under Lend-Lease arrangements, gaining experience with American carrier aviation doctrine and cooperating with United States Navy squadrons on combined operations. Throughout these conversions the squadron maintained carrier-landing proficiency on armored decks of fleet carriers and practiced carrier strike formations used by Fleet Air Arm doctrine.

Operational Deployments

The squadron participated in major naval-aerial operations across multiple theatres. In the North Atlantic and Norwegian waters it conducted convoy escort sorties supporting convoys en route to Scapa Flow and escorted capital ships during operations linked to the Norwegian Campaign. Assigned to Force H in the early 1940s, it provided air cover during operations against Vichy French holdings associated with Operation Menace and escorted carrier task groups during strikes on Axis shipping and airfields in the western Mediterranean.

During the prolonged Siege of Malta the squadron undertook offensive and defensive sorties to interdict Axis supply lines, cooperate with Air HQ Malta units, and provide fighter cover for Operation Pedestal convoys. In the central Mediterranean it supported amphibious and land-attack operations during Operation Husky and subsequent Adriatic and Sicilian operations, engaging enemy fighters and conducting ground-attack sorties in coordination with Mediterranean Allied Air Forces planning elements.

The squadron’s operational profile included night patrols, armed reconnaissance, and interception missions, frequently integrating with carrier strike groups centered on carriers such as HMS Eagle (95), HMS Illustrious (87), and HMS Victorious (R38), and interacting with allied formations from the Royal Australian Navy and Royal Canadian Navy.

Bases and Stations

Shore establishments and carrier assignments formed the backbone of the squadron's basing. Initial formation and training occurred at HMS Heron (RNAS Yeovilton) and later at HMS Daedalus (RNAS Lee-on-Solent) where carrier conversion training took place. Mediterranean basing included temporary detachments ashore at Malta and operations staged through Gibraltar and Alexandria, Egypt forward support ports. The squadron frequently embarked on carriers including HMS Ark Royal (91), HMS Eagle (95), and fleet carriers operating from Port Said and other Eastern Mediterranean anchorages. Postings for re-fit and re-equipment included RNAS Stretton and RNAS Lossiemouth.

Commanding Officers

Commanding officers drawn from senior Fleet Air Arm leadership and carrier-experienced lieutenants commanded the squadron through rotations typical of wartime service. Notable COs included officers who previously served in squadrons attached to HMS Ark Royal (91) and exchange pilots who had served with Royal Canadian Air Force and United States Navy units. Leadership emphasized carrier deck operations, coordination with Fleet commanders, and integration with joint Allied air operations.

Squadron Insignia and Traditions

The squadron badge and insignia reflected heraldry common to Fleet Air Arm squadrons, incorporating maritime motifs and fighter symbols used to denote strike and interception roles. Traditions included carrier deck-launch ceremonies, customary presentations at RNAS stations, and annual reunions involving veterans who served in Mediterranean and Atlantic operations. Squadron culture drew on shared experience with units such as No. 800 NAS and No. 803 NAS and maintained commemorations of major actions like the defence of Malta and escort operations for Operation Pedestal.

Category:Fleet Air Arm squadrons Category:Military units and formations of the United Kingdom in World War II