The AA38-301 local ICS loop provides intercom functions for sixteen users in HOT MIC or VOX mode operation. A switch-selectable NAT or Andrea tie line allows connection to multi-unit systems. An AUX input allows for a radio or music to be connected.
- Intercom functions for sixteen users
- Selectable NAT ICS od Andrea Tie Lines
- ICS volume, AUX volume, and VOX controls
- Live and VOX Intercom modes
- VOX operation LED and 28 VDC power LED
- Balanced output circuitry for high common mode noise rejection
Product Codes | |
|---|---|
| Mfr Part No: | AA38-301 |
| ECCN: | 7A994 |
| SCHEDULE B CODE: | 8536.69.4040 |
| TSO: | C50c |
Weight: 1.01 lb (0.45 kg)Dimensions (H x D x W): 2.31 x 4.60 x 4.50 in (58.7 x 116.8 x 114.3 mm)Mounting: bulkhead mount with four 10-32 screwsMaterial/Finish: 5052/H32 brushed aluminum with chromate conversation finishConnectors: Two filtered male 37-pin D-subminiature, connector with jack postsOperating Temperature: -30°C to 55°CSurvival Temperature: -55°C to 85°CAltitude: 25,000 ft max.Humidity: 95%Input Voltage: 27.5 VDC with reverse and over-voltage protection (32.2 VDC max.)Input current: 0.66 Amps max @ 27.5Number of Input Channels: 16 mic channels 2 ICS tie channel 2 AUX input channelInput Audio Level: 250 mVRMS for mic inputs 0.34 VRMS for NAT ICS tie input 2.8 VRMS for Andrea ICS tie input 2.5 VRMS for AUX inputInput Impedance: 150Ω ±10% for mic inputs 1.6kΩ ±10% for NAT ICS input 250Ω ±10% for Andrea tie input 940Ω ±10% for AUX inputCircuitry Type: all mics are single-ended inputs tie lines are single-ended inputs aux line is single-ended input better than -60 dB input-to-input crosstalk (MIC to AUX to ICS)Number of Output Channels: 16 headsets outputsRated Level: headset output 7.7 VRMS or 100 mW (20 dBm) into 600ΩOutput Impedance: 30Ω ±10% (headset output)Intercom Frequency Response: <3 dB from 350 Hz to 3,000 HzReceive Frequency Response: < dB from 350 Hz to 6,000 HzDistortion: <10% THD @ rated power outputAudio Noise Level: >60 dB down from rated output (without signal)Output Regulation: <10% distortion / ∆3 dB max. of rated output power at 400% and 75% of rated loadApprovals: TSO-C50c (RTCA/DO-170 Class 1a)
- Stock: Warehouse
- Manufacturer Part #: AA38-301
Aircraft Fitment Finder
Returns & refund summary
- 30-day return window — with prior return authorization, unopened in original packaging.
- Restocking fee: 20% on unopened items, 30% on open-box items.
- Refund processing fee: 5.51% applies to all refunds (returns, cancellations, core-fee refunds) regardless of reason.
- Return shipping: paid by buyer.
- Non-returnable categories: installed/used parts, special-order or rebuilt items, programmed items (incl. ELTs), batteries, AOG-priority orders, international orders.
Full terms: Return Policy.
Authenticity & authorization
All parts sold by American Aviation Parts are genuine factory products sourced through authorized distribution channels. Our authorization status varies by brand — for some brands we are a direct authorized dealer; for others we are an independent reseller through authorized distribution. Either way, the part you receive is the same factory product, with standard documentation available on request.
See our full Manufacturer Authorizations page for the current per-brand status.
Need traceability paperwork?
If your installation requires FAA Form 8130-3, manufacturer Certificate of Conformance, or other traceability documentation, please call 1-877-722-8727 or email [email protected] before placing the order so we can confirm what is available for this part.
Shipping
Standard ground, expedited, and AOG shipping options are available at checkout. Full shipping-cost tiers and timelines are published on our Delivery Information page.
