CHAPTER 14.   PRESSURE

14-1.     Introduction

 

SECTION 1.   DEFINITIONS

14-2.     Altimeter Setting (ALTSG)

14-3.     Atmospheric Pressure

14-4.     Barometric Pressure

14-5.     Field Elevation, Ha

14-6.     Pressure Altitude, PA

14-7.     Pressure Change (NA LAWRS)

14-8.     Pressure Characteristic (NA LAWRS)

14-9.     Pressure Falling Rapidly (NA LAWRS)

14-10.   Pressure Rising Rapidly (NA LAWRS)

14-11.   Pressure Tendency (NA LAWRS)

14-12.   Sea Level Pressure

14-13.   Standard Atmosphere

14-14.   Station Elevation, Hp

14-15.   Station Pressure

14-16.   Density Altitude, DA

14-17.   Barometer Elevation, HZ

14-18.   Posted Pressure Correction

14-19.   Reserved

 

SECTION 2.   OBSERVING, DETERMINING AND REPORTING PROCEDURES
                         (NA LAWRS)

14-20.   General (NA LAWRS)

Figure 14-1.     Units of Measure of Pressure Parameters

14-21.   Rounding Pressure Values

14-22.   Barometers Used to Measure Station Pressure (NA LAWRS)

Figure 14-2.     Barometers Used

14-23.   Precision Aneroid (NA LAWRS)

14-24.   Altimeter Setting Indicator (NA LAWRS)

14-25.   Digital Altimeter Setting Indicator (DASI) (NA LAWRS)

14-26.   Barograph (NA LAWRS)

14-27.   Mercury Barometer (NA LAWRS)

14-28.   Sea Level Pressure (NA LAWRS)

14-29.   Determining Altimeter Setting (NA LAWRS)

14-30.   Method of Determining Altimeter Setting (NA LAWRS)

14-31.   Altimeter Setting Indicator (NA LAWRS)

14-32.   Pressure Reduction Computer and Altimeter Setting (NA LAWRS)

14-33.   Altimeter Setting Reduction Constant (NA LAWRS)

14-34.   Altimeter Setting Table (NA LAWRS)

Figure 14-3.     Portion of an Altimeter Setting Table

14-35.   Pressure Altitude (PA) (NA LAWRS)

14-36.   Local Pressure Altitude Tables (NA LAWRS)

14-37.   Altimeter Setting and Pressure Reduction Computer (NA LAWRS)

14-38.   Altimeter Setting and Pressure Altitude Table (NA LAWRS)

14-39.   Station Pressure and Pressure Reduction Computer (NA LAWRS)

14-40.   Station Pressure and Pressure Altitude Table (NA LAWRS)

Figure 14-4.     Pressure Altitude

14-41.   Pressure Related Remarks (NA LAWRS)

14-42.   Pressure Falling Rapidly (NA LAWRS)

14-43.   Pressure Rising Rapidly (NA LAWRS)

14-44.   Pressure Tendency (NA LAWRS)

14-45.   Frequency of Pressure Tendency Remark (NA LAWRS)

14-46.   Determining Pressure Change (NA LAWRS)

14-47.   Determining Pressure Tendency Characteristic (NA LAWRS)

 

SECTION 3.   OBSERVING, DETERMINING AND REPORTING PROCEDURES
                         AT LAWRS

14-48.   Applicability (ONLY LAWRS)

14-49.   General (ONLY LAWRS)

14-50.   Determining Altimeter Setting (ONLY LAWRS)

14-51.   Altimeter Setting from Altimeter Setting Indicators (ONLY LAWRS)

14-52.   Determining the Reliability of Altimeter Setting Indicators (ONLY LAWRS)

14-53.   Daily Comparison with an Adjacent Station (ONLY LAWRS)

14-54.   Altimeter Setting from a Mercury Barometer (ONLY LAWRS)

14-55.   Altimeter Setting from a DASI

14-56.   Electronic Pressure Transducers or Other DASI's

14-57. - 14-60. Reserved