| RNAS Rattray (HMS Merganser) | |
| Ensign: | Naval Ensign of the United Kingdom.svg |
| Ensign Size: | 90px |
| Location: | Crimond, Aberdeenshire |
| Country: | Scotland |
| Pushpin Map: | Scotland Aberdeenshire |
| Pushpin Label: | RNAS Rattray |
| Pushpin Map Caption: | Shown within Aberdeenshire |
| Type: | Royal Naval Air Station |
| Ownership: | Ministry of Defence |
| Operator: | Royal Navy |
| Built: | March |
| Used: | July 1943-present |
| Elevation: | 13m (43feet) |
| R1-Number: | 06/24 |
| R1-Length: | 1000m (3,000feet) |
| R1-Surface: | Concrete |
| R2-Number: | 11/29 |
| R2-Length: | 1000m (3,000feet) |
| R2-Surface: | Concrete |
| R3-Number: | 15/33 |
| R3-Length: | 900m (3,000feet) |
| R3-Surface: | Concrete |
| R4-Number: | 02/20 |
| R4-Length: | 900m (3,000feet) |
| R4-Surface: | Concrete |
| Airfield Other Label: | Commissioned |
| Airfield Other: | 3 October 1944 |
Royal Navy Air Station Rattray, (RNAS Rattray; or HMS Merganser) and also known as Crimond Airfield, Crimond Aerodrome or Rattray Aerodrome was a Royal Naval Air Station near Crimond, Aberdeenshire.
The station started to be built from March 1943, with 774 Naval Air Squadron moving in from July 1943 for Telegraphist Air Gunners training but the site was not commissioned until 3 October 1944.
The base then switched to training Torpedo Bombing Reconnaissance crews.
The following units were here at some point:
The base was closed in 1946, being moved into a state of care & maintenance. It was also used as a Royal Naval Wireless Station until 2004.
The site is home to a high frequency transmitter station forming part of the Defence High Frequency Communications Service. The station is operated by Babcock International Group on behalf of the Ministry of Defence.[2]