“Average” season for CAL FIRE’s Grass Valley Air Attack Base

Photo: YubaNet
Photo: YubaNet

GRASS VALLEY, Calif. November 2, 2016 – A little over a week ago, locals heard the familiar sound of air tankers and the “spotter” plane for the last time this year. The planes took off for their winter quarters at CAL FIRE’s McClellan base after an “average” season, as described by Battalion Chief Jake Sjolund, the head of the Grass Valley Air Attack Base (GVAAB).

Sjolund shared some statistics for the base which was in active operation from June 13th to October 24th. During the 4-month period 255,107 gallons of retardant were pumped at the base. (10 year annual average=362,493 gallons – including the 2008 lightning event, the American Fire and the King Fire.)

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Photo: YubaNet
Photo: YubaNet

The pink slush, used to “paint the ridgelines” and slow the progression of a fire, is mixed at the facility and a trained team is on hand to “hot load” aka refill Tanker 88 and 89 with up to 1,200 gallons of retardant.

The GVAAB responds to fires in an area extending from Lake Oroville to the north to Plymouth in the south and everything east of I-5 and west to the Nevada stateline. In 2016, the largest fire in the base’s response area was the 5,646-acre Trailhead Fire. This fire started on June 28 and was fully contained on July 18, 2016.

The planes!

Photo: YubaNet
Photo: YubaNet

Air Attack 230, the “spotter” plane,  responded to 138 fires (55 less fires than in 2015) and flew 173 hours  (the 5-year flight hour average is 199.65 hours.) Having eyes in the sky is an important tool for firefighters, especially during the initial attack on a new incident. Sizing up a fire, identifying hazards to firefighters like power lines and directing tankers and helicopters a part of their day to day operations.

Tanker 88 at McClellan in May 2016. Photo: YubaNet
Tanker 88 at McClellan in May 2016. Photo: YubaNet

Air Tanker 88 responded to 169 fires and flew 124 hours, while Air Tanker 89 responded to 130 fires and flew 112 hours. They are part of the 22 S-2Ts in CAL FIRE’s fleet.

The fleet was acquired from the Department of Defense in 1996 for $1 per plane. Prior to that, between 1958 and 1975, the U.S. Navy put these planes to use as anti-submarine planes operating from carriers. That’s why the S-2s have foldable wings – a feature much appreciated at McCllellan’s hangars.

Tanker 88 returning from a drop in June of 2016. Photo: YubaNet
Tanker 88 returning from a drop in June of 2016. Photo: YubaNet

Some of the 2016 fires where locals were glad to have these workhorses nearby: First, there was the Rush Fire, on San Francisco Street across of Rush Street in North San Juan on June 25th, with another fire in the Higgins area a short time later.

On June 28th, the Beale Fire burned 10 acres before being contained in the early morning. Later that afternoon, the Trailhead Fire began and kept firefighters busy for 3 weeks.

Air Attack 230 in the American River Canyon on the Trailhead Fire. Photo: YubaNet
Air Attack 230 in the American River Canyon on the Trailhead Fire. Photo: YubaNet

Fast-forward through the Red, Idaho, Yuba, Penny, Walsh, Gracie, Red Dog, Grizzly, Jaguar and many more through September.

The Auburn Fire, which started on South Auburn Street in Grass Valley on September 17 and threatened Empire Mine State Park and the Rex Fire which started on the same day near Rough&Ready.

On October 1st, the Taylor Fire started on Ben Taylor Road, west of Colfax, on the Nevada County side. The full list of 2016 local fires is here.

Tanker 89 at the GVAAB in June 2016. Photo: YubaNet
Tanker 89 at the GVAAB in June 2016. Photo: YubaNet

Both tankers have a range of 500 miles when loaded, a wingspan of 73 feet and can operate continuously for 4.5 hours. The tankers were available to respond to fires outside their normal response area. For example, they were used during the Clayton Fire in Lake County.

Air Attack and the tankers will be back for another season in 2017 and we’ll continue to answer the question “I just heard the planes, where’s the fire?”