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					 INTERNATIONAL H2O PROJECT
        (IHOP_2002)




FLIGHT PLANNING PLAYBOOK
                   Introduction to International H20 Project (IHOP_2002)
                                 Flight Planning Playbook

Introduction

This document is a reference for aircraft operations associated with the IHOP_2002 field
deployment. Operations will occur between May 13 and June 25, 2002. There will be as many
as six aircraft participating in the project at any one time during this period. Figure 1
summarizes the schedules for IHOP_2002 aircraft participation.



                                          IHOP_2002
                                AIRCRAFT DEPLOYMENT SCHEDULE

                                 MAY                                               JUNE
                    13    17    21     25         29     1    5      9    13        17    21   25




                           17                                                                  25
                                                         NRL P-3

                                        25                               13
                                                       NASA DC-8

                                             27                          13
                                                        PROTEUS

                     13                                                                        25
                                                       UW KING AIR

                     13                                                                        25
                                                       FII LEARJET

                           17                                                 14
                                                       DLR FALCON




                           Figure 1: IHOP_2002 Aircraft Deployment Schedule



Figure 2 is the standard basemap that will be used by the IHOP_2002 Project Office Aircraft
Coordinator to notify ATC authorities of intended research flight operations. The map also
indicates the latitude/longitude position of critical ground-based IHOP_2002 instrumentation that
may be used as an anchor for aircraft operations.
                                     International H2O Project (IHOP_2002)
                                           Flight Planning Basemap




                                     Figure 2: IHOP_2002 Basemap



All aircraft will be based at Will Rogers World Airport (OKC) located in Oklahoma City, Oklahoma
for the duration of their involvement in IHOP_2002.



Sections Explanation

The tabbed sections in this notebook represent the major scientific classifications of research flight
strategies. Table 1 lists each classification and the approximate number of flights anticipated
within each category. Any other special characteristics are also listed.
                                                                 Generally tied to
                                                  12-15
  Convection Initiation (CI)                                     atmospheric phenomena
                                                  flights
                                                                 that will move in time.
                                                                 Operations generally tied
  Morning Low-Level Jet (MLLJ)                   2 flights
                                                                 to geography.
                                                                 Operations on weekdays
  Evening Low-Level Jet (ELLJ)                   3 flights       will be designed to avoid
                                                                 MOAs.
                                                                 BLH: 1a, 1b, 1c, 4a, 4b, 4c
  Boundary Layer Heterogeneity
                                                12 flights       tracks generally tied to
  (BLH)
                                                                 geography.
                                                                 Operations begin at dawn
  Boundary Layer Evolution (BLE)                 3 flights       and are conducted near
                                                                 the S-Pol radar site.
                                                                 Operations occur at night
                                                                 with a single aircraft and
  Nighttime Bore Event (NBE)                     2 flights
                                                                 are conducted near the S-
                                                                 Pol radar site.
                                Table 1: Research Mission Information


The first page of each section presents the composite flight track strategy for each type of
sampling experiment listed above. It shows how the aircraft will be directed to fly over the
phenomena or geographic region of interest. Not all tracks in each composite will be flown
during each mission.

A vertical cross section showing nominal aircraft altitudes (Above Ground Level (AGL) under
10,000 ft and Flight Level (FL) at or above 10,000 feet) for each participating aircraft is also
shown. It is important to note that having as many aircraft as possible working in the same
horizontal region with necessary vertical separation is quite important to properly sample three-
dimensional atmospheric conditions. It should be noted that aircraft may enter and leave the
region on different schedules due to differences in aircraft performance capabilities.

The pages that follow the composite in each section are the detailed tracks for each aircraft that
might participate in the proposed mission. Also, the actual tracks will vary to some degree
based on the winds in the region and evolving priorities. The following key assigns each
IHOP_2002 aircraft a number that is always used within each category:
                1 = University of Wyoming King Air (N2UW)
                2 = Flight International Inc. Learjet (N12FN)
                3 = Naval Research Laboratory P-3 (587)
                4 = DLR Falcon (D-CMET)
                5 = NASA DC-8 (N817NA)
                6 = Proteus (N281PR)

 A small letter (a, b, c) may follow the number that notes a variation in the flight track for a single
 aircraft as shown in the playbook.

Flight Plan Proposals

The IHOP_2002 Operations Center will provide an IHOP_2002 Flight Plan Proposal to the ATC
groups at least 12 hours in advance of proposed flight operations, typically on the afternoon prior
to the proposed flight operations day. This form will include:
        •Proposed date of operations
        •A primary science mission objective: CI, ELLJ, etc.
        •A secondary or back-up mission objective: BLH, BLE, etc.
                         (This is done in case the weather conditions are different than those
                         forecast or access to appropriate airspace for the primary mission is not
                         possible for some reason).
        •A list of aircraft flight plans intended for the proposed primary and secondary missions:
        (e.g. CI: 1a, 2, 3 or ELLJ: 2,3)
        •A basemap with an outline of the intended operations area
 One exception to this will be the need to alert military ATC personnel on Fridays for planned
 operations the following Monday because ATC staff is not generally available on the weekends
 or federally designated holidays.

 Updates

 The choice of primary mission, secondary mission or cancellation will be sent to the ATC groups
 at least 2 hours prior to the take-off of the first aircraft. Updates, including changes during the
 mission, will be provided as soon as they are available.

 Contact Information

 IHOP_2002 Operations Center Telephone number
 IHOP_2002 Operations Center Fax number
 IHOP_2002 Aircraft Coordinator Pager number
 IHOP_2002 Operations Director Pager number
INTERNATIONAL H2O PROJECT (IHOP_2002)
      FLIGHT PLANNING BASEMAP
                       CONVECTION INITIATION (CI)




Preferred Operation Time:   1200 – 2000 LT
Necessary Weather:          Pre-convective with slow-moving (< 5 m/s) boundary
Number of Missions:         12-15
                                  CI : 1a




                              Convective Initiation
                                  Cross Pattern
                                   UW King Air
                        (~29 min/circuit) (97 nm @ 200 kn)
Flight tracks are not geographically fixed. They are based on Boundary/Weather.
                                  CI : 1b




                              Convective Initiation
                               Cross-Box Pattern
                                   UW King Air
                        ~42 min/circuit (140 nm @ 200 kn)
Flight tracks are not geographically fixed. They are based on Boundary/Weather.
                                  CI : 1c




                              Convective Initiation
                                   ABL Pattern
                                   UW King Air
                         ~26 min/circuit (86 nm @ 200 kn)
Flight tracks are not geographically fixed. They are based on Boundary/Weather.
                                   CI : 2




                              Convective Initiation
                                    FII Learjet
                         ~23 min/circuit (94 nm @ 250 kn)
Flight tracks are not geographically fixed. They are based on Boundary/Weather.
                    Dropsondes may be dropped every ~11 nm
                                   CI : 3




                              Convective Initiation
                                      NRL P-3
                        ~32 min/circuit (103 nm @ 300 kn)
Flight tracks are not geographically fixed. They are based on Boundary/Weather.
                                  CI : 4a




                              Convective Initiation
                                   DLR Falcon
                         ~21 min/circuit (95 nm @ 275 kn)
Flight tracks are not geographically fixed. They are based on Boundary/Weather.
                    Dropsondes may be dropped every ~11 nm
                                 CI : 4b




                               Convective Initiation
                                   DLR Falcon
                     (~2 hrs 23 min/circuit) (551 nm @ 275 kn)
Flight tracks are not geographically fixed. They are based on Boundary/Weather.
                    Dropsondes may be dropped every ~11 nm
                                   CI : 5




                                Convective Initiation
                                    NASA DC-8
                       ~1 hr 13 min/circuit (551 nm @ 450 kn)
Flight tracks are not geographically fixed. They are based on Boundary/Weather.
                                    CI : 6




                               Convective Initiation
                                      Proteus
                     (~2 hrs 12 min/circuit) (551 nm @ 250 kn)
Flight tracks are not geographically fixed. They are based on Boundary/Weather.
                  MORNING LOW-LEVEL JET (MLLJ)




Preferred Operation Time:   0600 – 1200 LT
Necessary Weather:          Low-level jet and frontal zone or dryline
Number of Missions:         2
          MLLJ : 2




         Morning Low-Level Jet
               FII Learjet
~1 hr 46 min/circuit (702 nm @ 400 kn)
Flight tracks are geographically fixed.
 25 Dropsondes spaced ~27 nm apart
             MLLJ : 4




          Morning Low-Level Jet
               DLR Falcon
~2 hrs 17 min/circuit (702 nm @ 275 kn)
 Flight tracks are geographically fixed.
 25 Dropsondes spaced ~27 nm apart
          MLLJ : 6




          Morning Low-Level Jet
                 NRL P-3
~ 6hrs 2 min/circuit (1809 nm @ 300kn)
 Flight tracks are geographically fixed.
                      EVENING LOW-LEVEL JET (ELLJ)




Preferred Operation Time:   1500 – 2100 LT
Necessary Weather:          Potential for low-level jet; no clouds to broken; potential
                            for nocturnal convection (MCC).
Number of Missions:         3
              ELLJ : 3




          Evening Low-Level Jet
                 NRL P-3
~ 5 hrs 27min/circuit (1636 nm @ 300 kn)
 Flight tracks are geographically fixed.
              ELLJ : 4




          Evening Low-Level Jet
               DLR Falcon
~ 4 hrs 18min/circuit (1183 nm @ 275 kn)
 Flight tracks are geographically fixed.
              ELLJ : 5




          Evening Low-Level Jet
               NASA DC-8
~ 2 hrs 38min/circuit (1183 nm @ 450 kn)
 Flight tracks are geographically fixed.
           BOUNDARY LAYER HETEROGENEITY (BLH)




Preferred Operation Time:   0900 – 1400 LT
Necessary Weather:          Clear, sunny day
Number of Missions:         12
       BLH : 1a, 1b, 1c




                            b             c
       a




    Boundary Layer Heterogeneity
              UW King Air
       Stacked Pattern 1a, 1b, 1c
    ~8 min/circuit (38 nm @ 300 kn)
Flight tracks are geographically fixed.
          BLH : 3a, 3b, 3c




             a
b


c




        Boundary Layer Heterogeneity
                    NRL P-3
               Pattern 3a, 3b, 3c
       ~49 min/circuit (243 nm @300 kn)
    Flight tracks are geographically fixed.
              BLH : 3d




       Boundary Layer Heterogeneity
                   NRL P-3
                  Pattern 3d
   ~1 hr 53 min/circuit (567 nm @300 kn)
Flight tracks are NOT geographically fixed.
      BLH: 4a, 4b, 4c




           a
b



c




    Boundary Layer Heterogeneity
              DLR Falcon
           Pattern 4a, 4b, 4c
  ~53 min/circuit (243 nm @ 275 kn)
Flight tracks are geographically fixed.
Dropsondes may be dropped 27-40 nm
              BLH : 5




         Boundary Layer Heterogeneity
                  NASA DC-8
    ~1 hr 16 min/circuit (243 nm @ 450 kn)
Flight tracks are NOT geographically fixed.
             BLH : 6




       Boundary Layer Heterogeneity
                   Proteus
  ~2 hrs 16 min/circuit (243 nm @ 250 kn)
Flight tracks are NOT geographically fixed.
                 BOUNDARY LAYER EVOLUTION (BLE)




Preferred Operation Time:   0600 – 0930 and 0930 – 1300 LT
Necessary Weather:          Clear, sunny day
Number of Missions:         3
          BLE : 1a, 1b, 1c




                               a
                                b
                               c




           Boundary Layer Evolution
                Pattern 1a, 1b, 1c
                   UW King Air
         ~3 min/circuit (16 nm @ 300 kn)
Flight tracks are geographically fixed to S-Pol.
                BLE : 3a




           Boundary Layer Evolution
          Early Pattern (0600 – 0930 LT)
                     NRL P-3
         ~8 min/circuit (38 nm @ 300 kn)
Flight tracks are geographically fixed to S-Pol.
                BLE : 3b




           Boundary Layer Evolution
          Late Pattern (0930 – 1300 LT)
                    NRL P-3
       ~24 min/circuit (121 nm @ 300 kn)
Flight tracks are geographically fixed to S-Pol.
         BLE : 4a,4b,4c




                                a

                             b
                            c




           Boundary Layer Evolution
                Pattern 4a, 4b, 4c
                   DLR Falcon
         ~4 min/circuit (16 nm @ 275 kn)
Flight tracks are geographically fixed to S-Pol.
                BLE : 5




          Boundary Layer Evolution
                NASA DC-8
      (~35 min/circuit) (259 nm @ 450 kn)
Flight tracks are geographically fixed to S-Pol.
                BLE : 6




          Boundary Layer Evolution
                 Proteus
    (~1 hr 2 min/circuit) (259 nm @ 250 kn)
Flight tracks are geographically fixed to S-Pol.
                    NIGHTIME BORE EVENT (NBE)




Preferred Operation Time:   2200 – 0300 LT
Necessary Weather:          Nighttime stable layer in advance of approaching fronts.
Number of Missions:         2
            NBE : 1




                 Bore
              UW King Air
   ~ 16 min/circuit (54 nm @ 200 kn)
Flight tracks are geographically fixed.

				
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posted:4/16/2010
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