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Utility Navigation

Aircraft Operations

Gulfstream Turbo (Jet Prop) Commander AC-695A

NOAA Gulfstream Turbo (Jet Prop) Commander AC-695A over Minnesota

NOAA's Gulfstream Turbo (Jet Prop) Commander AC-695A, which primarily supports snow surveys, over Minnesota.

NOAA's Gulfstream Turbo (Jet Prop) Commander is a high-wing, twin-engine turboprop that is suitable for a variety of missions. The aircraft plays a vital role in collecting data vital to flooding forecasts and water resource management.

A standard crew compliment is comprised of two pilots and one observer in addition to the survey equipment. If conditions warrant, an additional crew member can be added. Although its home base in located at MacDill AFB in Tampa, Florida, this aircraft spends the majority of its time supporting the National Operational Hydrologic Remote Sensing Center (NOHRSC) throughout the United States and Canada.

NOHRSC conducts airborne surveys between October and May collecting snow water equivalent measurements in the snow affected regions. These highly accurate values collected over the 2000+ flight lines using a gamma radiation detector are ultimately used by the National Weather Service's River Forecasting Centers and other agencies to forecast river levels, water flow, and potential flooding events when the snow melts.

The aircraft also supports the NOHRSC office in the summer months by collecting background soil moisture information, which helps determine water levels when snow is not present. In addition to the Snow Survey mission, the Jet Prop also supports emergency response tasking, and a gravity measuring survey (GRAV-D) which establishes vertical datums and measures orthometric heights over time which is used by NOAA for cartography and calibrating GPS.

Aircraft Specifications
Type Gulfstream Turbo (Jet Prop) Commander AC-695A
Engines Garrett TPE-331-10 (turboprop) 800 HP/each
Crew 2 Pilots and 1 Observer (as needed)
Ceiling 35,000 feet (pressurized)
Rate of Climb 2,800 feet/minute
Operational Airspeeds 120-250 knots
Electrical Two 30 volt 300 ampere starter-generators, Two 24 volt lead acid batteries
Scientific Power 115V AC, 60 Hz
Max. Gross Weight 11,250 lbs Empty Weight: 7,300 lbs
Useful Load 3,950 lbs (fuel, personnel, cargo) Fuel Load 3,175 lbs
Type Fuel Jet A
Fuel burn 600 lbs/hr Normal Cruise Speed (Fuel burn varies with mission configuration and environmental conditions.)
Max Cruise Range (w/reserves) - 1500 nm
Normal Cruise Range (w/reserves) - 1700 nm
Wing Span 52 ft Total Length – 43 ft
Fuselage Height 5 ft 7 in Tail Height – 14 ft 11.5 in
Cabin Doors 47 in x 26 in
Baggage Doors 31.25 in x 19.75 in
Cabin Length 17 ft 5 in
Cabin Height 4 ft 9 in
Cabin Width 4 ft 2 in
Useable Volumes Cabin 278 cu ft
Baggage Compartment 46 cu ft

You are here: https://www.omao.noaa.gov/learn/aircraft-operations/aircraft/gulfstream-turbo-jet-prop-commander-1000-695a
Reviewed: June 18, 2016. Contact us with page issues.

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