NASA - National Aeronautics and Space Administration

3/1 Accomplishments:
AV-6 landing gear retraction and a gain in altitude
A/C currently flying @ 4°N, 100°W, approximately 13 hours into ATTREX's last science flight

3/2 Plans:
Recover the a/c and begin instrument removal

2/28 Accomplishments:
Ku system problems were unresolved but the decision was made to proceed with last ATTREX science flight
Instruments re-installed
SSFR calibration complete
A/C preflight underway

3/1 Plans:
Get the aircraft off the ground
Conduct a successful final science flight, destination is the 2.5N, 85W area.

Investigator hands-off @ 02:00, a/c roll-out @ 03:00, engine start @ 05:00, take-off @ 0600.

Instrument teams must have a representative in the GHOC @ 04:45.

2/27 Accomplishments:
A/C landed at approximately 10:20 local time after a 24.4 hour flight
During the flight the Ku system problem was traced to either a High Power Amplifier (HPA) problem or a wave guide problem
NOAA water vapor and O3, UCATS instruments were removed
UCATS experienced an anomaly in their methane and hydrogen signals that they're investigating
GWAS changed cans and has completed their preflight

2/26 Accomplishments:
Despite MPCS modem problems that put us on the verge of canceling the flight the aircraft took off three hours late on our 5th science flight
We experienced Ku satellite communication problems and so had no Ku for the flight (problems on the aircraft are the initial thought)
Due to ambient temperatures along the route that were higher than predicted the aircraft is burning more fuel than expected and will have to turn for home sooner than planned

2/25 Accomplishments:
All instrument problems fixed
All instruments preflighted
A/C preflighted

2/25 Plans:
07:00 Take-off for our 5th science flight (estimated duration of 25 hours)

2/22 Accomplishments:
A/C landed at 07:24 after a 24.6 hour flight
NOAA O3 and water vapor removed (O3 has a computer problem)
NOAA UCATS removed
mini-DOAS removed (to work a problem with the IR telescope)

2/23 Plans:
Work on instrument problems
Field trip of 99 students from the Palmdale Aerospace Academy Middle School

2/21 Accomplishments:
A/C took off 13 minutes early for ATTREX science flight #4
A/C currently on the return leg of the science flight that took it to 12S latitude

2/22 Plans:
Recover A/C
Weigh and fuel the A/C
Prepare for Saturday field trip of 99 students from the Palmdale Aerospace Academy Middle School

Science Flight #5 is planned for Monday with an ETD of 20:00 PST

2/20 Accomplishments:
Instrument preflights completed
A/C preflights completed

2/21 Plans:
03:00 Science Team hands off aircraft
05:45 Staff GHOC
07:00 take-off for ATTREX science flight #4

Instrument teams need to have a representative in the GHOC @ 05:45!

2/8 Accomplishments:
GWAS reinstalled and preflighted
NOAA UCATS reinstalled and preflighted
NOAA O3 lamp changed (I miss-stated yesterday that the lamp change was in UCATS) and it and Water Vapor are reinstalled and preflighted.
All other instruments preflighted
Aircraft preflighted

2/9 Plans:
06:30 take-off for second science flight

Instrument teams need to have a representative in the GHOC @ 05:15!!