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LORAN-A

LORAN A Chains

Charts:

LORAN A Coverage

LORAN A Coverage 1945

LORAN A 1 FEB 1950 Coverage

LORAN A 1 JAN 1954 Coverage
Contributed by Bill Broome

LORAN A 1973 Coverage

Manuals:

1945 - LORAN Transmitting Station Manual - pdf

CG-155 LORAN Operation and Maintenance Manual 1954 - pdf
Contributed by Bill Broome

CG-156 Part 1 - System Maintenance Standards Book for LORAN-A Equipment - pdf

CG-156 Part 2 - System Maintenance Standards Book for LORAN-A Equipment - pdf

CG-222 1956 with change 1 - Flip Book

Contributed by Bill  Broome and Jim Bachtell
CG-281 Chapter 1 Revised - pdf
CG-281 Chapter 7 dtd 08 APR 1954 - pdf
CG-281 Chapter 8 dtd 26 APR 1954 - pdf
CG-281 Chapter 9 dtd 24 JAN 1955 - pdf

A History of the United States Coast Guard Catalina, PBY-5, No. V-189 - pdf

(This historical account has been compiled and submitted by Jack SHEA, USCGR, a former member of PBY # V-189 and edited only within limited prerogatives of the PBY Catalina International Association Newsletter editor. However within the editing process, all effort is made not to take anything out of context:)

10 AUG 1961 - System Performance Test (pdf)

18 DEC 1964 - COMDTNOTE 3262 (pdf)

21 APR 1966 - Standby Reserve Equipment (pdf)

29 APR 1966 - Standby Reserve Equipment (pdf)

Documents:

302223Z MAR 73 - State Department Position Papers ICAO Conference - pdf

011635Z FEB 74 - State Department Loran A and C Future Operations - pdf

112324Z FEB 74 - State Department Loran A and C Future Operations - pdf

031615Z APR 74 - State Department NATO Loran A Infrastructure Semi-Annual Financial Report - pdf

242000Z MAY 74 - State Department ICAO Council Meeting May 23 - pdf

311550Z MAY 74 - State Department ICAO Council Meeting May 29 - pdf

131148Z JUN 74 - State Department ICAO North Atlantic Systems Planning Group - pdf

191818Z JUL 74 - State Department Special NAT/PAC Meeting Montreal Nov 4, 1974 -pdf

241646Z JUL 74 - State Department NATO Loran A Infrastructure - pdf

301641Z SEP 74 - State Department Special ICAO North Atlantic/Pacific Meeting - pdf

031937Z OCT 74 - State Department Special ICAO North Atlantic/Pacific Regional Air Navigation Meeting Nov 4, 1974 - pdf

042219Z OCT 74 - State Department Speccial ICAO North Atlantic/Pacific Meeting - pdf

072120Z OCT 74 - State Department Loran A - pdf

011818Z NOV 74 - State Department USG Del to Special North Atlantic Regional Air Navigation Meeting ICAO Montreal Nov 4-15 - pdf

131709Z JAN 75 - State Department Conversion of Bay of Biscay Loran A Chain 1S3 and 1S4 to Pair 1H5 - pdf

241429Z JAN 75 - State Department Conversion of Bay of Biscay Loran A to Single Rate - pdf

162349Z JUL 75 - State Department Conversion of Bay of Biscay Loran A Chain - pdf

271827Z AUG 75 - State Department NATO Infrastructure Projects at Loran A Chain Sandur - pdf

021933Z OCT 75 - State Department ICAO US Proposal for review of Joint Support Facilities Services - pdf

191555Z NOV 75 - State Department ICAO US Proposal for Review of DEN/ICE Facilities - pdf

211915Z NOV 75 - State Department ICAO Joint Committee to Consider US Proposal RE/DEN/ICE - pdf

242135Z NOV 75 - State Department ICAO US Proposal for Review DEN/ICE Joint Financing - pdf

061744Z DEC 76 - State Department Surplus Loran A Equipment - pdf

072150Z FEB 77 - State Department ICAO DEN/ICE Conference Agenda Item 5 - pdf

081826Z MAR 77 - State Department ICAO Third Report of USDEL to DEN/ICE Conference - pdf

131511Z MAY 77 - State Department ICAO Joint Committee May 12 - pdf

171948Z MAY 77 - State Department ICAO Joint Support CTE WPS Cost of Withdrawal of Loran A - pdf

202357Z MAY 77 - State Department ICAO Joint Support Committee Cost of Withdrawal of Loran A - pdf

152125Z AUG 77 - State Department Future of NATO Owned Equipment and Facilities at Colocated Loran A/C Stations - pdf

071548Z SEP 77 - State Department Future of NATO Owned Equipment and Facilities at Loran A/C sites - pdf

011143Z NOV 77 - State Department Future of NATO Owned Equipment and Facilities at Loran A/C sites - pdf

Pictures:

The below photos were contributed by CDR Gary Thomas.

The equipment was located at Reykjavik's maritime museumDAS-2 serial number 122

Note:  This type of receiver was used at LORAN monitor stations to control the chain

Thanks Commander!

The photo below is of the "Enola Gay" cockpit with an AN/APN-9 installed.

"Lure Ann"
Crew and Instructors pose before a Curtiss C-46 a LORAN training plane of the 4th Army Airways Communications System Wing at an air base somewhere in India. 2 August 1945

Thanks CDR Gary Thomas, USCG, ret. for contributing


Model C-1 Timing Equipment