Quantcast LANDING CONTROL SET - TM-11-487C-10372

Custom Search
 
  
 
MIL-HDBK-162A
Volume 1
15 December 1965
Section 1
ITEM NAME: LANDING CONTROL SET
TYPE: AN/MPN-11A, AN/MPN-11B, AN/MPN-11C, AN/MPN-11D
essential two-way communication between the ground
RELATION TO SIMILAR EQUIPMENT
and the aircraft.  Special features incorporated in the
AN/MPN-11 are moving target indication (MTI), used
AN/CPN-4  and  AN/MPN-11  models  are  all
with either or both radar sets to eliminate or attenuate
interchangeable with each other.  The difference in
return
echo
signals
from
stationary
targets;
AN/CPN-4 and AN/MPN-11 models is variation in body
instantaneous direction-finding equipment, used in
styles,  AN/CPN-4  has  bolted  trailer  panels  and
conjunction with the search radar set to locate aircraft in
AN/MPN-11 has riveted panels.
radio communication with the control center; circular
Landing Control Set AN/MPN-11A has a self-
polarization gratings on the precision antenna's, to
contained
primary
power
source,
and
uses
reduce  the  echoes  from  rain  or  snow  without
communications equipment as follows:
comparable loss of echo signals from the aircraft; and
Transceiver 185-4 for hf, AN/ARC-3 for vhf, and
operator controlled tilt of the search antenna.
In
AN/ARC-27 for uhf operation.
addition, all accessory equipment and power supplies
The AN/MPN-11B has a self-contained primary
are provided to permit the search radar set to function
power source, and uses Communication Equipment
as a completely independent unit.
AN/ART-13 and AN/ARR-15 for hf, AN/ARC-3 for vhf,
The 30-mile approach area must be under constant
and AN/ARC-27 for uhf operation.
surveillance so that approaching aircraft can be initially
The AN/MPN-11C uses an external Government-
located, identified, and directed into the final approach
furnished engine-generator in place of the normally used
position. To provide this 360-degree azimuth scan, the
Engine Generator PU-211/G; a 7-1/2 ton electric Air
power-drive antenna is mounted on a rotating base.
Conditioner HD-237/MPN-11C is used in place of the
This antenna concentrates the radio-frequency energy
Diesel Air Conditioner HD-78/G normally used by other
into a high, narrow radiation pattern, to consistently
models; a Power Distribution Panel SB-503/MPN-11C is
return echoes strong enough for good presentation on
used to control an external engine-generator and electric
the search indicators.
air conditioner; a 28 volt rectifier power supply (Power
The direction-finding equipment may use any one of
Supply PP-1383/MPN-1K) is furnished in place of Motor-
the high-frequency, very-high-frequency, or ultra-high-
Generator PU220/GPN, used by other models of the
frequency communication channels to locate and
AN/MPN-11; and the AN/MPN-11C does not require the
identify aircraft communicating with the radar set.
remote line drives, remote line driver power supplies, or
When the direction-finder set is switched on at the
associated cabling.
search indicator panel, the radio-frequency carrier
The AN/MPN-11D is similar to the AN/MPN-11C
radiated from the aircraft is used to generate a strobe of
except that it incorporates AFC control of the S and X
light on the plan position indicator (PPI) oscilloscope to
band transmitter magnetrons as well as AGCA tie-in
indicate aircraft direction. When a high-frequency, very-
provisions and does not include Interconnecting Group
high-frequency  or  ultra-high-frequency  channel  is
AN/GPA-41. Subsequent to these circuit and equipment
selected o.  the communications control panel at a
changes, this item is still functionally interchangeable
control position, the direction finding set is automatically
with AN/MPN-11C.
tuned to the same frequency.
The precision radar equipment incorporates a single
TECHNICAL DESCRIPTION
X-band transmitter, pulsing alternately through separate
Search System
azimuth and elevation antennas, to track aircraft down
Frequency Range: 2780 to 2820 mc
the glidepath during the final approach.
Power Output: 600 kw (peak)
The consistent reliable range of the precision equipment
Pulse Repetition Rate: 1500 pps
is approximately 10 nautical miles, slant range, for small
Range: 20 to 30 mi, depending on type
aircraft flying within an elevation angle of 6 degrees.
of aircraft tracked.
The electronically traced range marks, occurring at I-
Coverage
nautical-mile intervals, are spaced logarithmically on the
Azimuth: 360 deg
plan-position indicator, so that the most critical first mile
Elevation: 1/2 to 45 deg
of the visual display occupies a greater distance along
System Accuracy
the indicator sweep than the less critical succeeding
Azimuth: 1 deg
miles. This has the effect of expanding that portion of
Range: 4 pct
both displays representing the area in which the aircraft
actually contacts the runway.
AN/MPN-11A: 2
Electrical News
First 2D Atomic Piezoelectric Discovered
The world's first 2D monolayer material has been shown to...
eetimes.com
Knobs and Buttons Are Toast, Long Live the Pinch
Knobs and buttons still rule as instrument controls, but smartphone...
eetimes.com
The Best of the Best Videos on YouTube
If you were compiling a list of 'The Best of...
eetimes.com
Forum Problems
Sorry, the EEVblog forum is having major issues with posting....
eevblog.com
Mega MATLAB Release From MathWorks
R2014b is an extremely compelling release for current MATLAB users...
eetimes.com
How to Diagnose Failed Memory
With a purpose-built MBIST controller, both test application and data...
eetimes.com
Thought-Provoking Nugget of Knowledge: Island Universes
If galaxies were shrunk to the size of apples, how...
eetimes.com
Ethernet Dike Sprouts Cracks
At least a half dozen new efforts are sprouting up...
eetimes.com
Do Engineers Dream of Electric Sheep?
Frustration, confusion, and fear are among the most common themes...
eetimes.com
Friday Quiz: Radar
Test your knowledge on this old -- yet up-and-coming --...
eetimes.com
Nanotube Field Emitters Beat OLEDs
Like a cathode ray tube of old, nanotube field emitters...
eetimes.com
Apple Debuts Next-Gen Tablets, PC
Apple released updates to its iPad, PC, and operating systems...
eetimes.com
AMD Plans 7% Layoffs
AMD will lay off 7% of its staff by the...
eetimes.com
Clicking 'Yes' One Second Before Screaming 'Nooooo!'
It's bad enough if you lose your work due to...
eetimes.com
24 More: Moving From Arduino to 32 Bits
Brian Carrigan, a blogger from the former Microcontroller Central, offered...
eetimes.com
Taipei Electronics Show: Betting on the Smartphone as the Hub
At last week's Taipei International Electronics Show, vendors were taunting...
eetimes.com
River Sensors to Clean Up Waterways
Inexpensive sensors track the movement/source of pollution....
eetimes.com
Power Week: Digital Power Consortium Aims for a Complete Power Ecosystem
A new digital power consortium formed by several leading power...
eetimes.com
DDR Memory Testing Using Interposers
Chip interposers are designed for probing extremely close to memory...
eetimes.com
TSMC Capex to Exceed $10B in FinFET Ramp-Up
Taiwan Semiconductor said Thursday that it aims to increase its...
eetimes.com

 


Privacy Statement - Copyright Information. - Contact Us

comments powered by Disqus

Integrated Publishing, Inc.
9438 US Hwy 19N #311 Port Richey, FL 34668

Phone For Parts Inquiries: (727) 755-3260
Google +