public void incoming(Byte[] pack)
{
    /////////////////////////////////////////////////
    ///     Receive incoming waypoints/control status
    /////////////////////////////////////////////////
    int count;

    Byte[] opCode = new Byte[2];
    Byte[] latitude = new Byte[8];
    Byte[] longitude = new Byte[8];
    Byte[] altitude = new Byte[8];
    Byte[] status = new Byte[2];
    Byte[] duration = new Byte[2];

    Int16 val;
    double lat;
    double lon;
    double alt;
    Int16 sta;
    Int16 dur;

    opCode[0] = pack[0];
    opCode[1] = pack[1];
    val = BitConverter.ToInt16(opCode, 0);

    switch (val)
    {
        case GNC:
            UpdateContRec("ONLINE");
            break;

        case REQ:
            if(MessageBox.Show("Do you want to relinquish control?",
                "Cockpit Client", MessageBoxButtons.YesNo)== DialogResult.Yes)
            {
                UpdateContRel("OFFLINE");
                response = serverSend.sendPacket(packet.buildPacket(REL));
            }
            break;

        case ADD:

            count = waypointManager.Rows.Count;
            for (int i = 0; i < (count - 1); i++)
            {
                UpdateRemWP(0);
                UpdateRemCombo(0);
            }

            for (int i = 0; val == (Int16)2; i++)
            {
                opCode[0] = pack[0 + (32 * (i+1))];
                opCode[1] = pack[1 + (32 * (i+1))];

                latitude[0] = pack[4 + (32 * i)];
                latitude[1] = pack[5 + (32 * i)];
                latitude[2] = pack[6 + (32 * i)];
                latitude[3] = pack[7 + (32 * i)];
                latitude[4] = pack[8 + (32 * i)];
                latitude[5] = pack[9 + (32 * i)];
                latitude[6] = pack[10 + (32 * i)];
                latitude[7] = pack[11 + (32 * i)];

                longitude[0] = pack[12 + (32 * i)];
                longitude[1] = pack[13 + (32 * i)];
                longitude[2] = pack[14 + (32 * i)];
                longitude[3] = pack[15 + (32 * i)];
                longitude[4] = pack[16 + (32 * i)];
                longitude[5] = pack[17 + (32 * i)];
                longitude[6] = pack[18 + (32 * i)];
                longitude[7] = pack[19 + (32 * i)];

                altitude[0] = pack[20 + (32 * i)];
                altitude[1] = pack[21 + (32 * i)];
                altitude[2] = pack[22 + (32 * i)];
                altitude[3] = pack[23 + (32 * i)];
                altitude[4] = pack[24 + (32 * i)];
                altitude[5] = pack[25 + (32 * i)];
                altitude[6] = pack[26 + (32 * i)];
                altitude[7] = pack[27 + (32 * i)];

                status[0] = pack[28 + (32 * i)];
                status[1] = pack[29 + (32 * i)];

                duration[0] = pack[30 + (32 * i)];
                duration[1] = pack[31 + (32 * i)];

                val = BitConverter.ToInt16(opCode, 0);
                lat = BitConverter.ToDouble(latitude, 0);
                lon = BitConverter.ToDouble(longitude, 0);
                alt = BitConverter.ToDouble(altitude, 0);
                sta = BitConverter.ToInt16(status, 0);
                dur = BitConverter.ToInt16(duration, 0);

                if (alt != 0)
                {
                    UpdateCombo(Convert.ToString(i));

                    DataGridViewRow row = new DataGridViewRow();
                    row.CreateCells(waypointManager);

                    row.Cells[0].Value = Convert.ToString(i);
                    row.Cells[1].Value = lat + " : " + lon;
                    row.Cells[2].Value = Convert.ToString(alt);
                    if (sta == 1)
                    {
                        row.Cells[3].Value = "Hover";
                        row.Cells[4].Value = Convert.ToString(dur);
                    }
                    else if (sta == 0)
                    {
                        row.Cells[3].Value = "Flyby";
                        row.Cells[4].Value = "N/A";
                    }

                    UpdateWP(row);
                }
            }

            break;

        case REM:

            count = waypointManager.Rows.Count;
            for (int i = 0; i < (count - 1); i++)
            {
                UpdateRemWP(0);
                UpdateRemCombo(0);
            }

            for (int i = 0; val == (Int16)2; i++)
            {
                opCode[0] = pack[0 + (32 * (i + 1))];
                opCode[1] = pack[1 + (32 * (i + 1))];

                latitude[0] = pack[4 + (32 * i)];
                latitude[1] = pack[5 + (32 * i)];
                latitude[2] = pack[6 + (32 * i)];
                latitude[3] = pack[7 + (32 * i)];
                latitude[4] = pack[8 + (32 * i)];
                latitude[5] = pack[9 + (32 * i)];
                latitude[6] = pack[10 + (32 * i)];
                latitude[7] = pack[11 + (32 * i)];

                longitude[0] = pack[12 + (32 * i)];
                longitude[1] = pack[13 + (32 * i)];
                longitude[2] = pack[14 + (32 * i)];
                longitude[3] = pack[15 + (32 * i)];
                longitude[4] = pack[16 + (32 * i)];
                longitude[5] = pack[17 + (32 * i)];
                longitude[6] = pack[18 + (32 * i)];
                longitude[7] = pack[19 + (32 * i)];

                altitude[0] = pack[20 + (32 * i)];
                altitude[1] = pack[21 + (32 * i)];
                altitude[2] = pack[22 + (32 * i)];
                altitude[3] = pack[23 + (32 * i)];
                altitude[4] = pack[24 + (32 * i)];
                altitude[5] = pack[25 + (32 * i)];
                altitude[6] = pack[26 + (32 * i)];
                altitude[7] = pack[27 + (32 * i)];

                status[0] = pack[28 + (32 * i)];
                status[1] = pack[29 + (32 * i)];

                duration[0] = pack[30 + (32 * i)];
                duration[1] = pack[31 + (32 * i)];

                val = BitConverter.ToInt16(opCode, 0);
                lat = BitConverter.ToDouble(latitude, 0);
                lon = BitConverter.ToDouble(longitude, 0);
                alt = BitConverter.ToDouble(altitude, 0);
                sta = BitConverter.ToInt16(status, 0);
                dur = BitConverter.ToInt16(duration, 0);

                if (alt != 0)
                {
                    UpdateCombo(Convert.ToString(i));

                    DataGridViewRow row = new DataGridViewRow();
                    row.CreateCells(waypointManager);

                    row.Cells[0].Value = Convert.ToString(i);
                    row.Cells[1].Value = lat + " : " + lon;
                    row.Cells[2].Value = Convert.ToString(alt);
                    if (sta == 1)
                    {
                        row.Cells[3].Value = "Hover";
                        row.Cells[4].Value = Convert.ToString(dur);
                    }
                    else if (sta == 0)
                    {
                        row.Cells[3].Value = "Flyby";
                        row.Cells[4].Value = "N/A";
                    }

                    UpdateWP(row);
                }
            }

            break;

        default:
            break;
    }
}