Prices excluding VAT

Headset Services Limited is the UK’s authorised Alpha helmet and spare part reseller. We are able to offer an array of spare parts as well as accessories at very competitive prices. Our highly skilled sales team are on hand if you require any further assistance, and please note that we only use hygiene parts supplied to us from the Original Equipment Manufacturer (OEM), all of which are supplied with a Certificate of Conformity.

For overseas orders, please request a quotation from our Sales Team.




M87 Dynamic Microphone


Code: M87 150 OHM

The M87 Dynamic Microphone can be attached to the Alpha helmet via the twin wire boom arm and microphone cable. The M87 is a moving voice coil type microphone and has a 150 Ohm impedance. It is intended to provide audio communications under high noise conditions found in military, civilian and general aviation aircraft.




M7/DC Electret Microphone


Code: 09168P-31

This Electret Microphone is a noise cancelling type designed to operate in place of carbon and amplified dynamic microphones. It will not operate in circuits that do not supply a DC bias voltage. Most modern aviation communications equipment do supply this required voltage. The microphone is intended for use with a twin wire boom arm.




M7/A Electret Microphone


Code: 09168P-33

This Electret Microphone is a noise cancelling type designed to operate in place of carbon and amplified dynamic microphones. It will not operate in circuits that do not supply a DC bias voltage. the microphone is intended for use with a flexible boom arm.




Windsock for M7 Mic


Code: 40062G-02

The foam windsock is designed to fit the M7/A and M7/DC microphone and is held in place by a small rubber o-ring. By using this windsock it will improve communications by reducing wind and ambient cockpit noise while transmitting. Available in quantities of 5 only.




Boom Arm for M7/DC Microphone


Code: 439226SP

The twin wire silver boom arm is designed to attached to a helmet mount and secure an M7/DC or M87 microphone using the easily adjusted thumb screws. The boom arm assembly has a hinge to allow movement for the microphone to gain a suitable position.




Microphone Cable


Code: CX4434/U

The boom microphone cable is for connecting an M7/DC, M7/A and/or M87. The cable length is approximately 12 inches long and is terminated with U-173/U connectors on either end.




Visor Clear (Small)


Code: MP01011SP

The clear polycarbonate visor is for use with the Alpha Eagle helmet. The small visor is suitable for the Medium and Medium Long Alpha Eagle helmet. The visor is 3mm thick and has 3 holes on either side for the placement of the visor mechanism screws. The clear visor is ideally suited for open co-pit flying and can be locked into place providing impact protection.




Visor Clear (Medium)


Code: MP01012SP

The clear polycarbonate visor is for use with the Alpha Eagle helmet. The medium visor is suitable for the Medium Broad and Large Alpha Eagle helmet. The visor is 3mm thick and has 3 holes on either side for the placement of the visor mechanism screws. The clear visor is ideally suited for open co-pit flying and can be locked into place providing impact protection.




Yellow Visor (Small)


Code: 2MP3113SP

The yellow polycarbonate visor is for use with the Alpha Eagle helmet. The small is suitable for the Medium and Medium Long helmet. The visor is 3mm thick and has 3 holes on either side for the placement of the visor mechanism screws. The yellow visor is ideal flying in poor visibility when the result of a combination of fog and/or clouds moving in which, in combination with snow, cause what is referred to as a 'white-out'.




Yellow Visor (Medium)


Code: 2MP3114SP

The yellow polycarbonate visor is for use with the Alpha Eagle helmet. The medium is suitable for the Medium Broad and Large helmet. The visor is 3mm thick and has 3 holes on either side for the placement of the visor mechanism screws. The yellow visor is ideal flying in poor visibility when the result of a combination of fog and/or clouds moving in which, in combination with snow, cause what is referred to as a 'white-out'.




Visor Tinted (Small)


Code: MP01013SP

The tinted polycarbonate visor is for use with the Alpha Eagle helmet. The small visor is suitable for the Alpha Eagle helmet when only requiring one visor. The visor is 3mm thick and has 3 holes on either side for the placement of the visor mechanism screws. The tinted visor is ideal for flying in sunny weather as it will offer glare protection.




Tinted Visor (Medium)


Code: MP01014SP

The tinted polycarbonate visor is for use with the Alpha Eagle helmet. The medium visor is suitable for the Medium and Medium Long Alpha Eagle helmet. The visor is 3mm thick and has 3 holes on either side for the placement of the visor mechanism screws. The tinted visor is ideal for flying in sunny weather as it will offer glare protection.




Tinted Visor (Large)


Code: MP01015SP

The tinted polycarbonate visor is for use with the Alpha Eagle helmet. The large visor is suitable for the Medium Broad and Large Alpha Eagle helmet. The visor is 3mm thick and has 3 holes on either side for the placement of the visor mechanism screws. The tinted visor is ideal for flying in sunny weather as it will offer glare protection.




Rigid Visor Cover (M/ML)


Code: MP01019SP

The Semi Rigid Visor Cover is used to protect the polycarbonate visors when not in use. The visor mechanism will allow the visors to retract underneath the cover. This visor cover is 5mm thick and would be able to fit a Medium or Medium Long Alpha Eagle helmet.




Rigid Visor Cover (MB/L)


Code: MP01020SP

The Semi Rigid Visor Cover is used to protect the polycarbonate visors when not in use. The visor mechanism will allow the visors to retract underneath the cover. This visor cover is 5mm thick and would be able to fit a Medium Broad or Large Alpha Eagle helmet.




Rigid NVG Visor Cover (M/ML)


Code: MP01120SP

The carbon-fibre Rigid Visor Cover supports the ANVIS 9 Night Vision Aviator's Goggles and is used to protect the polycarbonate visors when not in use. The visor mechanism will allow the visors to retract underneath the cover. This visor cover is 5mm thick and would be able to fit a Medium or Medium Long Alpha Eagle helmet.




Rigid NVG Visor Cover (MB/L)


Code: MP01121SP

The carbon-fibre Rigid Visor Cover supports the ANVIS 9 Night Vision Aviator's Goggles and is used to protect the polycarbonate visors when not in use. The visor mechanism will allow the visors to retract underneath the cover. This visor cover is 5mm thick and would be able to fit a Medium Broad or Large Alpha Eagle helmet.




Coolmax Liner for Alpha Eagle


Code: MP01010SP

The Lining Head Kit comes with a liner in dark blue with 2 sizes of foam padding. The liner can be easily attached to the inside of the Alpha Eagle helmet and comes in one size (will fit all).




Nape Pad for Alpha Eagle


Code: MP03898SP

The Nape Pad is secured at the rear of the Alpha Eagle helmet and is there to provide support and comfort for the neck of the user. It is held in place by the Nape Tensioner which allows the Nape Pad to move forward and backward.




Gel Ear Seals for Alpha Helmets


Code: HSMP73821

The Gel Ear Seals are suitable to fit the Alpha Eagle ear cups and provide a comfortable seal around the ear and are thicker than standard foam pads. The Gel Ear Seals enhance the performance of the speakers inside the ear cups and are a preferred option for the HSL Active Noise Reduction system. Available as a pair.




Velveteen Visor Cover


Code: 2MP1384SP

The Velveteen Cover is a one size fits all and attaches to the Alpha Eagle helmet via snap fasteners and is able to protect and cover two visors. Available in the colour Black only.




Earcapsule Tens Webb


Code: MP01092SP

The Earcapsule Tens Webb is used to attach and hold the ear cups for an Alpha Eagle helmet in place as well as allowing the flexibility to adjust the position.




Nape Tensioner (Small)


Code: MP10422SP

The strap assembly connects to the Nape Pad and is the mechanism to allow the pad to move when installed inside an Alpha Eagle helmet.




Nape Tensioner (Large)


Code: MP10423SP

The strap assembly connects to the Nape Pad and is the mechanism to allow the pad to move when installed inside an Alpha Eagle helmet.




Receiver 300 Ohm (Single)


Code: MP01026SP

This speaker, which is often referred to as a Transducer and/or a Receiver provides an efficient, highly reliable earphone. It is made of a rugged insert of light weight construction and can connect to a typical wiring loom by the two screw connection points. This version has an impedance of 300 Ohm and is sold separately.




Receiver 1200 Ohm (Single)


Code: MP01027SP

The speaker, which is often referred to as a Transducer and/or a Receiver provides an efficient, highly reliable earphone. It is made of a rugged insert of light weight construction and can connect to a typical wiring loom by the two screw connection points. This version has an impedance of 1200 Ohm and is sold separately.




Coiled Downlead with UK NATO Plug


Code: MP01034SP

The loom is ideally designed to work with the Alpha range of helmets and is extremely easy to install. The high quality loom comes complete with connections for speakers and microphone and has a coiled cable with UK NATO plug. The length of the coiled cable un-stretched is approximately 1 metre, and can be extended to 2 metres.




Straight Downlead with UK NATO Plug


Code: MP01041SP

The loom is ideally designed to work with the Alpha range of helmets and is extremely easy to install. The high quality loom comes complete with connections for speakers and microphone and has a straight cable with UK NATO plug. The length of the straight cable is approximately 1 metre.




Coiled Downlead with U174 Plug


Code: MP01031SP

The loom is ideally designed to work with the Alpha range of helmets and is extremely easy to install. The high quality loom comes complete with connections for speakers and microphone and has a coiled cable with U174 plug, also referred to as a US NATO plug. The length of the coiled cable un-stretched is approximately 1 metre, and can be extended to 2 metres.




Waterproof Downlead with Fischer Plug


Code: HSMP3439FP

This waterproof loom is ideally designed to work with a wet-winchman Alpha helmet. The high quality loom comes complete with connections for waterproof speakers and microphone and has a coiled cable with a Fischer plug. The length of the coiled cable un-stretched is approximately 1 metre, and can be extended to 2 metres.




Deluxe Helmet Bag


Code: HSMP3000

The deluxe helmet bag which is exclusive to Headset Services Limited comes with a double skin in black polyester PVC material. The zipper closure has webbings and fittings whilst the protective inner liner also has a foam bottom. The bag has dual carry handles and is ideal for transporting an Alpha Helmet.


  • Code: M87 150 OHM
    Dynamic Microphone

  • Code: 09168P-31
    M7/DC Electret Microphone

  • Code: 09168P-33
    M7/A Electret Microphone

  • Code: 40062G-02
    Windsock for M7 Mic (Pack of 5)

  • Code: 439226SP
    Boom Arm for M7/DC Mic

  • Code: CX4434/U
    Mic Cable (12") for M7 Mic

  • Code: MP01011SP
    Visor Clear (Small)

  • Code: MP01012SP
    Visor Clear (Medium)

  • Code: 2MP3113SP
    Visor Yellow (Small)

  • Code: 2MP3114SP
    Visor Yellow (Medium)

  • Code: MP01013SP
    Visor Tinted (Small)

  • Code: MP01014SP
    Visor Tinted (Medium)

  • Code: MP01015SP
    Visor Tinted (Large)

  • Code: MP01019SP
    Rigid Visor Cover (M/ML)

  • Code: MP01020SP
    Rigid Visor Cover (MB/L)

  • Code: MP01120SP
    NVG Visor Cover (M/ML)

  • Code: MP01121SP
    NVG Visor Cover (MB/L)

  • Code: MP01010SP
    Coolmax Liner for Alpha Eagle

  • Code: MP03898SP
    Nape Pad for Alpha Eagle

  • Code: HSMP73821
    Gel Ear Seals for Alpha Eagle

  • Code: 2MP1384SP
    Velveteen Visor Cover

  • Code: MP01092SP
    Earcapsule Tens Webb

  • Code: MP10422SP
    Nape Tensioner (Small)

  • Code: MP10423SP
    Nape Tensioner (Large)

  • Code: MP01026SP
    Receiver 300 Ohm (Single)

  • Code: MP01027SP
    Receiver 1200 Ohm (Single)

  • Code: MP01034SP
    Coiled Downlead UK NATO Plug

  • Code: MP01041SP
    Straight Downlead UK NATO Plug

  • Code: MP01031SP
    Coiled Downlead U174 Plug

  • Code: HSMP3439FP
    Waterproof Downlead Fischer Plug

  • Code: HSMP3000
    Deluxe Helmet Bag




HEADSET SERVICES LTD
Unit 8, 73 Marlborough Road
Lancing Business Park
Lancing, West Sussex
BN15 8AD. UK

T: +44 (0)1273 234 181
F: +44 (0)1903 750 123
E: sales@headsetservices.com
THE MEL GROUP
MEL Aviation Ltd acts
as the group's headquarters.

Laurence Walter House
Addison Road, Sudbury
Suffolk, CO10 2YW. UK
T: +44(0)1787 373282
W: www.themelgroup.co.uk
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