SPECIAL EQUIPMENT SECTION CHECK SHEET COMMUNICATIONS SECTION

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP89B00551R000100100029-8
• Release Decision: RIPPUB
• Original Classification: K
• Document Page Count: 1
• Document Creation Date: November 16, 2016
• Document Release Date: March 27, 2000
• Sequence Number: 29
• Publication Date: October 29, 1956
• Content Type: REQ

Approved For Releaq& 2000/05/31 : CIA-RDP891300554,&0001 QD1( 002 *T
SPECIAL EQUIPMENT SECTION CHECK SHEET
COAUNICATIONS SECTION
PRE-FLIGHT PROCEDURE:
l ' Check the ARN-6 and ARC-34 radio equipment at least two and one half
hours prior to take-off time.
25X1A a`"? Through the use of ' l the frequencies that will
normally be used during the flight are group c ec Red between the hangar and Commo
equipment _,section were is located.
25X1A
2. Load aircraft with S or X gear and check performance.
a he S or X equipment will have been bench checked before being
installed in the plane.
3. Have at least one man stand by at take off time to,
a!.--"BS-,,,ready for any radio or compass troubles that may occur,,
b. "Buzz" the aircraft systems equipment during the one minute period
prior to roll-off.
POST-FLIGHT PROCEDURE:
1%'- Remove the equipment from the aircraft as soon as permission is
received from the crew chief. (Especially done in this manner if the aircraft
is "hot" when permission is received from the crew chief the plane is safe to
work on)
2".117 From this point on, the following steps are taken:
The debriefing is attended so that the points of flight will be
known. A map pr overlay is provided to be forwarded with tape?
b;, The tape is then removed from the recorder, rewound onto another
reel and,put onto the ampex tape recorder for the dubbing procedure which
follows
cLoo ",
After being re-wound, the tape is played through to the point
where the "bu", (that was put on just prior to roll-off') is located
dh At this time, the dubbing or copy tape is put into position on the
recorder; the 24 hour clock set for the same time as take-off and simultaneously,
the clock starts running, both tapes start revolving and the "Flight is
'reflown' again in the lab."
e-" The signals from the tape taken from the aircraft are being played
back and are heard by the "Dubbing" operator and are also being recorded onto
the "dubbing lapel' which is used for local analysis then forwarded.
f. When a R-signal is heard on the tape, the operator merely has to
note the time, look on the debriefing sheet to see where the plane was at such
a time and note the locale, time and type of signal heard on the critique sheet.
Enclosure No. 5 to SOP-O-l. Page 1
Change No. 1 -- Destroy previous sheets.
25X1A
Approved For Release 2000/05/31 : CIA-RDP89B00551 R000100100029-8