Thanks to Chris Corley via the Milcom newsgroup, Jack NeSmith and several others who forwarded this link on the 10 October 2006 FCC Second Report and Order and Second Further Notice of Proposed Rule Making. This is part of the review of the Part 87 rules on the Aviation Radio Service.
http://www.fcc.gov/Daily_Releases/Daily_Business/2006/db1011/FCC-06-148A1.pdf
US Aero HF Frequencies (Revised 87.173 if 06-148 is finalized)
2850.0-3025.0 kHz MA, FAE International HF.
2851.0 kHz MA, FAE,FAT International HF;Flight Test.
2866.0 kHz MA, FAE Domestic HF (Alaska).
2875.0 kHz MA, FAE Domestic HF.
2878.0 kHz MA1, FAE Domestic HF; International HF.
2911.0 kHz MA, FAE Domestic HF.
2956.0 kHz MA, FAE Domestic HF.
3004.0 kHz MA, FAE,FAT International HF;Flight Test.
3019.0 kHz MA1, FAE Domestic HF; International HF.
3023.0 kHz MA1, FAR, FAC Search and rescue communications.
3281.0 kHz MA, FAS Lighter-than-air craft and aeronautical stations serving lighter-than-air craft.
3400.0-3500.0 kHz MA, FAE International HF.
3434.0 kHz MA1, FAE Domestic HF.
3443.0 kHz MA, FAT Flight Test.
3449.0 kHz MA, FAE Domestic HF.
3470.0 kHz MA, FAE Domestic HF; International HF.
4125.0 kHz MA Distress and safety with ships and coast stations.
4550.0 kHz AX Gulf of Mexico.
4645.0 kHz AX Alaska.
4650.0-4700.0 kHz MA, FAE International HF.
4672.0 kHz MA1, FAE Domestic HF.
4947.5 kHz AX Alaska.
5036.0 kHz AX Gulf of Mexico.
5122.5 kHz AX Alaska.
5167.5 kHz FA Alaska emergency.
5310.0 kHz AX Alaska.
5450.0-5680.0 kHz MA, FAE International HF.
5451.0 kHz MA, FAT Flight Test.
5463.0 kHz MA1, FAE Domestic HF.
5469.0 kHz MA, FAT Flight Test.
5472.0 kHz MA, FAE Domestic HF.
5484.0 kHz MA, FAE Domestic HF.
5490.0 kHz MA, FAE Domestic HF.
5496.0 kHz MA, FAE Domestic HF.
5508.0 kHz MA1, FAE Domestic HF.
5571.0 kHz MA, FAT Flight Test.
5631.0 kHz MA, FAE Domestic HF.
5680.0 kHz MA1, FAC, FAR Search and rescue communications.
5887.5 kHz AX Alaska.
6525.0-6685.0 kHz MA, FAE International HF.
6550.0 kHz MA, FAT Flight Test.
6580.0 kHz MA, FAE Domestic HF.
6604.0 kHz MA, FAE Domestic HF.
8015.0 kHz AX Alaska.
8364.0 kHz MA Search and rescue communications.
8815.0-8965.0 kHz MA, FAE International HF.
8822.0 kHz MA, FAT Flight Test.
8855.0 kHz MA, FAE Domestic HF; international HF.
8876.0 kHz MA, FAE Domestic HF.
10005.0-10100.0 kHz MA, FAE International HF.
10045.0 kHz MA, FAT Flight Test.
10066.0 kHz MA, FAE Domestic HF; international HF.
11275.0-11400.0 kHz MA, FAE International HF.
11288.0 kHz MA, FAT Flight Test.
11306.0 kHz MA, FAT Flight Test.
11357.0 kHz MA, FAE Domestic HF.
11363.0 kHz MA, FAE Domestic HF.
13260.0-13360.0 kHz MA, FAE International HF.
13312.0 kHz MA, FAE,FAT International HF; Flight Test.
17900.0-17970.0 kHz MA, FAE International HF.
17964.0 kHz MA, FAT Flight Test.
21924.0-22000.0 kHz MA, FAE International HF.
21931.0 kHz MA, FAT Flight Test.
