Aircraft Photos and Instrument Systems - Texas Commission on Environmental Quality

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Questions or Comments:
aqp@tceq.state.tx.us

Aircraft Photos and Instrument Systems

The Twin Otter aircraft used in the TCEQ aircraft-based monitoring program is currently contracted through the Tennessee Valley Authority . The airplane is approved by the Federal Aviation Administration for air pollution sampling.

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Twin Otter Photos
Instrument Systems
Contact Us

OTHER AIRCRAFT PAGES

Cabin w/ Instrumentation

Twin Otter Photos

de Havilland DHC-6-300 SN440 Twin Otter - N83AR

The de Havilland DHC-6-300 SN440 Twin Otter is a twin-engine fixed wing aircraft. It is white with black trim. The tail number is N83AR.

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Instrument Systems

The TCEQ's contracted aircraft are able to measure the following parameters. Not all parameters may be measured depending on mission objectives, weight, available space, and/or instrument operation.

O3 – Ozone
- via Chemiluminescence
- via UV Photometry
NO - Nitric Oxide
NO2 – Nitrogen Dioxide
NOY – Reactive Oxides of Nitrogen
NOY* – Total Nitrate less Nitric Acid
SO2 – Sulfur Dioxide
SO4 – Particle Sulfate
CO – Carbon Monoxide
VOCs – Volatile Organic Compounds
- via Canister Samples
- via Proton Transfer Reaction Mass Spectrometry
- Alkenes via Rapid Alkene Detector
PM2.5 via Particulate Filters
Light Scattering via Nephelometer
Wind Speed
Wind Direction
Outside Ambient Temperature
Dew Point
Relative Humidity
Altitude
Latitude and Longitude

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Contact Us

Telephone – Doug Boyer: 512/239-1523 or Ken Rozacky: 512/239-6942

Email – aqp@tceq.state.tx.us (Please put "Aircraft-Based Monitoring" in the subject line.)

List Server – To be notified of the general location of a flight before it takes place, join our flight notification email list: join-flight-notify@listserv.tceq.state.tx.us.

To remove your email address from this list, send an e-mail to: leave-flight-notify@listserv.tceq.state.tx.us.

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