TLeo Posted November 13, 2015 Share #1 Posted November 13, 2015 In 1983 would the green mbu-14 mask be used in a A-4 Skyhhawk or would the ms22001 with mc3a connector also be correct? Link to comment Share on other sites More sharing options...
BlueBookGuy Posted November 13, 2015 Share #2 Posted November 13, 2015 Most likely MBU-14/P was correct (this model entered USN service in early 1981). Also a MS-22001 would still be correct in 1983 - but certainly not, if fitted with MC-3A connector. Given the date, only with one of that 'mini regulators' series (like the CRU-79/P). Link to comment Share on other sites More sharing options...
TLeo Posted November 13, 2015 Author Share #3 Posted November 13, 2015 Most likely MBU-14/P was correct (this model entered USN service in early 1981). Also a MS-22001 would still be correct in 1983 - but certainly not, if fitted with MC-3A connector. Given the date, only with one of that 'mini regulators' series (like the CRU-79/P). Great and thanks! Link to comment Share on other sites More sharing options...
BlueBookGuy Posted November 13, 2015 Share #4 Posted November 13, 2015 Glad to be useful. I have to partially correct myself, most likely (say, around 95%?) in early '80s it could only be the CRU-79/P as the standard mask-mounted oxy. regulator - no longer other, though very similar, models. Makers could have been Firewell, or RobertShaw Co. Link to comment Share on other sites More sharing options...
TLeo Posted November 13, 2015 Author Share #5 Posted November 13, 2015 Okay and now the hard part....finding one of the green masks and I'll worry about a regulator later. Link to comment Share on other sites More sharing options...
BlueBookGuy Posted November 14, 2015 Share #6 Posted November 14, 2015 do not know precisely.. any true USN MBU-14/P must have from the beginning those particular features unique to it. Could it mean it's possible doing subsequently the needed modifications to have a USAF MBU-12 turned into a -14? Special amplifier, comm. cord, comm. jacks, special lower hose etc. are features all added to the CRU-79/P itself. Link to comment Share on other sites More sharing options...
northcoastaero Posted November 14, 2015 Share #7 Posted November 14, 2015 The all green MBU-14/P for the A-4 Skyhawk could also have used the Robertshaw Type 1 mini-regulator and possibly the Bendix Type 1 during 1983. Some of these older mini-regulators were still in use during the 1980s with the F-4 Phantom II aircraft and possibly others like the RF-8G, A-4, some A-3 variants, A-7. Link to comment Share on other sites More sharing options...
northcoastaero Posted November 14, 2015 Share #8 Posted November 14, 2015 The all green MBU-14/P for the A-4 Skyhawk could also have used the Robertshaw Type 1 mini-regulator and possibly the Bendix Type 1 during 1983. Some of these older mini-regulators were still in use during the 1980s with the F-4 Phantom II aircraft and possibly others like the RF-8G, A-4, some A-3 variants, A-7. The lower REDAR high pressure hose most likely would have been the type with the locking connector at the bottom for use with the RSSK-8 Rigid Seat Survival Kit in the ESCAPAC ejection seats in the A-4F, TA-4F, TA-4J, A-4M, OA-4M. A short REDAR adaptor hose could be used at the end of the lower REDAR hose for use with the SKU-1/A (Douglas Seat Pan) Seat-Survival Kit Unit in the ESCAPAC 1A-1 in the A-4B, C, E, L. The dual oxygen hose assy. for the SKU-1/A could also have been upgraded with the later RSSK-8 type hoses and no REDAR adaptor hose would be needed. Another version of the lower high pressure REDAR hose with a non-locking connector was used earlier for the Douglas Seat Pan (SKU-1/A). I believe I have seen a version of this earlier hose dated into the 1980s also. Hope this helps. Link to comment Share on other sites More sharing options...
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