TM 75053
ML-156A
(No illustration available)
1. NOMENCLATURE: Balloon ML156A.
7. MAJOR COMPONENT:
Balloon ML156A.
2. TYPE CLASSIFICATION: Standard A.
8. SET, SYSTEM, FACILITY, AND CONFIGURATION
3. SECURITY REQUIREMENTS: Unclassified.
APPLICATIONS:
4. PRIMARY USE OR CONCEPT OF EMPLOYMENT:
This equipment is used in a meteorological system.
Used to and in the determination of wind direction and
9. ADDITIONAL EQUIPMENT REQUIRED AND
speed aloft.
AUXILIARY EQUIPMENT: None.
5. BRIEF FUNCTIONAL DESCRIPTION:
10. TOOLS AND TEST EQUIPMENT: None.
Balloon ML156A, a small yellow pilot balloon, is used to
determine the direction and speed of winds aloft, The
11. REFERENCE DATA AND LITERATURE:
ML156A may be used when there are very thin cirrus
TM 116660-222-12 _ _ _ _ _ _ _ ML156A
clouds or when a haze partially covers the sky. The ML
156A also may be used to determine the height of clouds.
Tracking of the ML156A can be done visually with
12. REPAIR PARTS SUPPORT CAPABILITY:
theodolite equipment. Movement of the balloon in the
No density.
atmosphere supplies angular data from which the wind
13. TRAINING REQUIREMENTS:
direction and speed are computed. Balloon ML156A has
Operator MOS 93E20, 93F20.
a limiting operating range of 30,000 feet or 9,144 meters.
6. TECHNICAL CHARACTERISTICS:
14. TYPICAL BASIS OF ISSUE.
Type _ _ _ _ __ _ _ _ _ _ _ Pilot.
15. PRICE DATA:
Material _ _ _ _ _ _ _ Neoprene.
a. Major item _ _ _ _ _ _ _ _ _ _
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.19Color _ _ _ _ _ _ _ _ _ __ Yellow.
b. Repair parts (1-year cost based Expendable, non-
Weight (inflation) _ _ _ _ 30 g.
repairable.
on 100 equipments).
Free lift _ _ _ _ _ _ 132 g.
Average rate of rise _ _ _ 600 fpm/183 meters per
16 ITEM REPLACED: None.
min.
Bursting altitude _ _ _ _ 30,000 ft/9, 144 meters.
17. REMARKS:
Dimensions (neck) _ _ _ _ 1 7/8 in. long, 9/16-in. dia.
Issued as a unit replacement.
101
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