Recording the sound of a Bell UH-1N Iroquois “Huey” Helicopter on April 5 2017.

The Bell UH-1N Iroquois is a light-lift utility helicopter used to support various missions. The primary missions include: airlift of emergency security forces, security and surveillance of off-base nuclear weapons convoys, and distinguished visitor airlift. Other uses include: disaster response operations, search and rescue, medical evacuation, airborne cable inspections, support to aircrew survival school, aerial testing, routine missile site support and transport.

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You can probably tell I love recording helicopters. I can hear them coming from miles away as I sit in my studio working on stuff I should be working on. If I hear them more than once in a half hour period I know something is up and they will be around for a while. This happened on March 17, 2017. A couple of Huey helicopters flew over my house and were flying around the area so I hustled to the local airport and there they were, ripe for the picking!
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I recently acquired the SoundField ST450 MKII Ambisonic Microphone and wanted to see how the unit responded to gun shots. As usual I was very excited to try a new piece of audio gear and rushed to get all the ingredients together for recording. Once I decided what I was going to test and how, I was off to the races! I placed the microphone in my driveway and recorded a 300 Blackout rifle along with a AK-47 and a AR-15 rifle. I used super sonic and subsonic ammunition along with a Gemtech ONE suppressor on the 300 Blackout. For the AK-47 and AR-15 I only shot supersonic unsuppressed. I did change the microphone postion and distance for the AK-47 and AR-15.
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I’ve been recording many helicopters this summer and when this Huey became available I jumped on it. I placed several microphones around and inside while the helicopter was undergoing what they call “track and balance” tests. After the Huey was serviced and all the proper inspections take place they bring it out for a series of “track and balance” runs. I also was able to set microphones up when the Huey went for a few test flights. Below are some photos and a video from two separate recording sessions.
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If you follow me on social media you probably noticed that I’ve been going to the local airport to record aircraft of all kinds for the last two months or so. My original intention was to record private jets and maybe get a few prop planes and maybe, just maybe, record some helicopters. Well, after weeks of getting up early and bringing some gear to the airfield I got more than I bargained for. What started out as a small collection of helicopters recorded over the last few years has grown into a large and varied set of rotorcraft sound effects… Fairly quickly I might add. Unexpected? Yes. Totally fun? Yes. Here is the skinny on the transformation of Helicopters HD Mini into Helicopters HD pro. Read more