Boeing-Vertol CH-46F

This model is a version of 107M H-46 Sea Knight

c/n 2551

Year 1969

Helicopter Boeing-Vertol CH-46F Serial 2551 Register 157652 used by US Marine Corps. Built 1969. Aircraft history

Boeing-Vertol CH-46F c/n 2551


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usa 157652
US Marine Corps
BV-107M, c/n 2551, ff?
accepted BuWepsRep, FR, Morton, PA as CH-46F 157652 22Sep69
xfer HMM-261 03Oct69
xfer H&MS-26 26Jan72
xfer HMM-264 03Apr72
xfer H&MS-26 10Mar73
xfer HMM-263 07Sep74
further unit xfers unk
conv CH-46E unk
unit xfers unk
xfer HMM-364, PF-17, Oct07.
usa 157652
US Marine Corps
1972 I was a corporal in HMM-261

notes Frank Hudman personal account:

I was a corporal In HMM261. I had just replaced all the transmission oil in the aft transmission of 157652. The chip detector in the aft transmission had sent a ding up to the MCP earlier So the trans had to be drained and chip detector checked. The aircraft had to be turned up to ensure there was no repeat of that chip light on the MCP. A Lt. Shalcross was the pilot to do the test turn up. As we were turning I was on the back ramp watching for any leakage from lines and the drain plug gasket/o-ring. As the blades began to speed up the helicopter began a series of rocking back and forth. I looked up at the pilot and his hand was still on the throttles. All of a sudden my feet were slipping on the back hatch and the whole helicopter flipped over on it's left side. I found out that we had entered into ground resonance. I got banged around hit my head and was groggy. Instead of climbing out the rear I ran up to the side cabin door which was over my head and climbed out. That was in 1972.

usa 157652
US Marine Corps
15Aug00 deployed with HMM-161
06Jan03 deployed with HMM-161 for Iraqi Freedom
usa 157652
US Marine Corps
This aircraft was mine during both 2000 and 2003 HMM-161 deployments. It was the first plane in our squadron to have GPWS (Bitching Betty) on it. For both deployments it was /YR-06

notes Both deployments were aboard the USS Tarawa (LHA-1).

The 2000 deployment took us to the following locations:

We left San Diego
Tarawa Atoll
Darwin, Australia - Practiced with the Australian Air Force
East Timor - Humanitarian Assistance during their fight for independence from West Timor
Phuket, Thailand
Yemen - We supported operations surrounding the USS Cole investigation. It was bombed when we were on our way into the Persian Gulf and were called for support. The crew of the Cole were brought onto the Tarawa and we took them to Oman to fly them home.
Kuwait - We operated from the Air Force base there for two weeks before heading out.
Victoria, Seychelles
Phuket, Thailand
Hong Kong
Iwo Jima
Hawaii - I turned 21 on the International Date Line so I got to celebrate when we got to Hawaii a few days later.
Back to San Diego.

The 2003 deployment went like this:

Left San Diego
Singapore to refuel/resupply. While we were there, the Colombia blew up on reentry.
Kuwait - We waited there in makeshift bases in the desert while we built up our invasion force. After a month, the call came and we were the first (official) troops into Iraq.
Iraq - In support of Operation Iraqi Freedom, we were in-country for 6 weeks. I slept on my plane the whole time and we had a nice group supporting us. On May 1st, we started packing up and were back on our ship by May 3rd.
Victoria, Seychelles
Phuket, Thailand
Townsville, Australia
Back to San Diego

We returned on July 12th, 2003 and that was the last day I flew with my plane.

I had some armor art on her when we were deployed the second time.
I painted some sheet metal so I could take it with me.

GPWS is short for Ground Proximity Warning System. It was a voice assisted altimeter
warning system that could also warn the pilots if the exceeded safe flight envelope
parameters, i.e. rate of decent, bank angle, or ground proximity. Prior to this system,
CH-46's only had a radar altimeter beep to warn of ground proximity.
GPWS had a female voice and got the nickname Bitching Betty.

usa 157652
US Marine Corps
13jul08 as HMM-268 /YQ-17 mrk Tanker 905 assisting FEMA firefighters in California

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