Specialist Aviation Services, incorporating Police Aviation Services and Medical Aviation Services are based at Gloucestershire Airport.  Predominantly involved in maintaining a large proportion of the UK Air Ambulance helicopter fleet, those types seen include the AW169 and the MD Explorer.  Some airframes are used as spares and are often loaned out to units when the primary airframe is under maintenance.   Those helicopters seen from time to time include the following:

Registration: G-CIOS
Manufacturer:MD HELICOPTER INC 
Type:MD 900 
Serial No.:900-00103

ex G-SASO

Cornwall Air Ambulance

Registration: G-CNWL
Manufacturer: MD HELICOPTER INC
Type: MD 900
Serial No.: 900-00124

arrived as N902FN

Cornwall Air Ambulance

Registration: G-COTH
Manufacturer: MD HELICOPTER INC
Type: MD 900
Serial No.: 900-00085

ex N3ND

stored

 

Registration: G-DSAA
Manufacturer:LEONARDO SPA 
Type:AW169 
Serial No.:69027

Dorset & Somerset Air Ambulance

Registration: G-EHAA
Manufacturer: MD HELICOPTER INC
Type: MD 900
Serial No.: 900-00079

 

Registration: G-EHEM
Manufacturer: MD HELICOPTER INC
Type: MD 900
Serial No.: 900-00134
Registration: G-EHMS
Manufacturer: MD HELICOPTER INC
Type: MD 900
Serial No.: 900-00068
 

London's Air Ambulance

Registration: G-HAAT
Manufacturer: MD HELICOPTER INC
Type: MD 900
Serial No.: 900-00081

 

  Registration: G-HMDX
Manufacturer: MD HELICOPTER INC
Type: MD 900
Serial No.: 900-00121

MAGPAS

Registration: G-HHEM
Manufacturer:LEONARDO SPA 
Type:AW169 
Serial No.:69049 

Essex & Herts Air Ambulance

Registration: G-KAAT
Manufacturer: MCDONNELL DOUGLAS HELICOPTER COMPANY
Type: MD 900
Serial No.: 900-00056

 

Registration: G-KSSA
Manufacturer: MD HELICOPTER INC
Type: MD 900
Serial No.: 900-00123

 

 

Registration: G-KSSC
Manufacturer:LEONARDO SPA 
Type:AW169 
Serial No.:69061 
Registration: G-KSSH
Manufacturer: MCDONNELL DOUGLAS HELICOPTER COMPANY
Type: MD 900
Serial No.: 900-00062

 

Registration: G-KSST
Manufacturer:FINMECCANICA SPA 
Type:AGUSTA AW169 
Serial No.:69014

Kent, Surrey & Sussex Air Ambulance

Registration: G-LNAC
Manufacturer:LEONARDO SPA 
Type:AW169 
Serial No.:69023 

Lincs & Notts Air Ambulance

Registration: G-LNDN
Manufacturer:MD HELICOPTER INC 
Type:MD 900 
Serial No.:900-00125

London's Air Ambulance

Registration: G-PICU
Manufacturer: LEONARDO SPA 
Type:AW169 
Serial No.:69055
Registration: G-SASR
Manufacturer: MD HELICOPTER INC
Type: MD 900
Serial No.: 900-00074

 

Registration: G-SASX
Manufacturer: LEONARDO SPA 
Type:AW169 
Serial No.:69064

 

 

Registration: G-TCAA
Manufacturer: LEONARDO SPA 
Type: AW169 
Serial No.:69038