NSN 6660-00-955-3351
Part Details | VISUAL DISTANCE COMPUTER
6660-00-955-3351 A computer for determining the distance that can be seen by an observer, such as an aircraft pilot, to a predetermined point, such as the approach end of an airport runway. It is a component of a meteorological system for establishing criteria during the approach phase of an instrument landing under marginal or zero visibility conditions. See also COMPUTER, AIR TRAFFIC CONTROL.
Alternate Parts: 880007, 880007, ANFMN1, 6660-00-955-3351, 00-955-3351, 6660009553351, 009553351
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1962 | 00-955-3351 | 00433 ( COMPUTER, VISUAL DISTANCE ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6660-00-955-3351
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 880007 | 20284 | AIMTRON SYSTEMS LLCDBA TARGET |
| 880007 | 12909 | CARDION INC |
| ANFMN1 | 80058 | JOINT ELECTRONICS TYPE DESIGNATIONSYSTEM |
Technical Data | NSN 6660-00-955-3351
| Characteristic | Specifications |
|---|---|
| INPUT INTELLIGENCE TYPE | AIR DATA |
| INTELLIGENCE INPUT METHOD | ELECTRICAL |
| OUTPUT INTELLIGENCE TYPE | RANGE |
| POWER SOURCE | EXTERNAL |
| PHASE | SINGLE |
| SPECIAL FEATURES | SOLID STATE DIGITAL SYSTEM ACCURACY PLUS OR MINUS OVER FULL RANGE OF RUNWAY VISUAL RANGE VALUES |
| UNPACKAGED UNIT WIDTH | 19.00 INCHES NOMINAL |
| UNPACKAGED UNIT HEIGHT | 24.00 INCHES NOMINAL |
| SUPPLEMENTARY FEATURES | USES PHOTOELECTRIC MEMORY DRUM FOR TRANSMISSIVITY STORAGE TABLES AND RVR VALUES; PROVIDES 10 READING AVERAGE OF RVR VALUES; PROVIDES RVR OUTPUT SIGNAL CIRCUITRY FOR RANDOM SAMPLING BY AN AUXILIAR MESSAGE DEVICE; CONTAINS BUILT-IN TEST CIRCUITS; + OR - INDICATIONS PROVIDED FOR RVR VALUES GREATER THAN 6000 FT OR LESS THAN 1000 FT; RETAINS PREV RVR VALUE ON VISUAL DISPLAY DURING BACKGROUND CORRECTION PROCEDURE |
| FUNCTIONAL DESCRIPTION | USES INPUTS FROM TRANSMISSOMETER SET TO COMPUTE RUNWAY VISUAL RANGE,DISPLAYS RESULTS ON 2-CHARACTER PRESENTATION WHICH ARE COMPATIBLE W/TABLES OF US WEATHER BUREAU |