SEA04LA092

NTSB accident investigation · Start & Flug H-101 Salto · Creswell, OR · May 24, 2004

Accident · Serious injuriesLimited investigationFinal report
Date
May 24, 2004, 15:00 local (22:00 UTC)
Place
Creswell, OR
Injuries
1 serious
Damage
Substantial damage
Phase of flight
Emergency descent
Aircraft
N101QStart & Flug H-101 Salto
Weather
Visual (VMC) · Day
Status
Completed · report September 29, 2004
Report
Approved by Office Director
Parties
Portland FSDO
FAA report
20040524011009A
Case key
59322

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Probable cause

The pilot's failure to maintain clearance from the terrain while attempting to maneuver the aircraft into the wind during an off-airport landing in an open field. Factors include the pilot's inadequate in flight planning, tailwind conditions during an attempted turn from downwind to base, and tall vegetation in the area that the pilot found it necessary to land in.

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Forced landingEmergency descent/landing
In-flight planning/decision - inadequatePilot in commandFactor
In flight collision with terrain/waterApproach - vfr pattern - base turn
Clearance - not maintainedPilot in commandCause
Weather condition - tailwindFactor
Terrain condition - high vegetationFactor

Analysis

The glider was released from the tow plane about 10 miles north of Hobby Field, approximately 7,000 feet above the ground (agl). After release, the pilot attempted to find areas of lift around the Coburg Hills, and then started back toward the airport with the intention of being at least 3,000 feet agl when she arrived at the northern edge of Springfield, Oregon (about seven miles north of the airport). But, as the pilot flew south toward Springfield, she encountered a considerable amount of descending air, and the aircraft was down to about 2,400 feet agl when it arrived over the northern portion of Springfield. The pilot then continued to the south, and attempted to find ascending air around Pisgah Mountain, but was unable to do so. She then proceeded further south to Short Mountain (about one mile east of the accident site), and again tried to locate an ascending air mass, but was again unsuccessful. Soon thereafter she decided to discontinue her attempt to continue to Hobby Field, and instead set up for a landing in a nearby open field. The field she chose was about three miles north of Hobby Field, and covered with very tall grass/grain. As she approached the field from the north, she realized that the aircraft's ground speed was higher than it would normally be during an approach for landing because it was at that time experiencing a tailwind of 10 or more knots. She therefore decided to attempt to turn back into the wind prior to touching down in the field. During that turn the pilot allowed the aircraft's left wing to get caught in the tall grass, and it did a one-quarter cartwheel into the terrain.

Factual narrative

On Monday, May 24, 2004, approximately 1500 Pacific daylight time, a Start and Flug H-101 Salto glider, N101Q, impacted the terrain during an attempted forced landing about three miles north of Hobby Field, Creswell, Oregon. The commercial pilot, who was the sole occupant, and who holds a private pilot glider rating, received serious injuries, and the aircraft, which is owned and operated by Wingover Aerobatics, sustained substantial damage. The 14 CFR Part 91 personal proficiency flight, which departed Hobby Field about one hour earlier, was being operated in visual meteorological conditions. No flight plan had been filed.

According to the pilot, the glider was released from the tow plane about 10 miles north of Hobby Field, approximately 7,000 feet above the ground (agl). After release, the pilot attempted to find areas of lift around the Coburg Hills, and then she started back toward Hobby Field, with the intention of being at least 3,000 feet agl when she arrived at the northern edge of Springfield, Oregon (about seven miles north of Hobby Field). But, as the pilot flew south toward Springfield, she encountered a considerable amount of descending air, and the aircraft was down to about 2,400 feet agl when it arrived over the northern portion of Springfield. The pilot then continued to the south, and attempted to find ascending air around Pisgah Mountain, but was unable to do so. She then proceeded further south to Short Mountain (about one mile east of the accident site), and again tried to locate an ascending air mass, but was again unsuccessful. Soon thereafter she decided that she should discontinue her attempt to continue to Hobby Field, and instead set up for a landing in a nearby open field. The field she chose was about three miles north of Hobby Field, and covered with very tall grass/grain. As she approached the field from the north, she realized that the aircraft's ground speed was higher than it would normally be during an approach for landing because it was at that time experiencing a tailwind of 10 or more knots. She therefore decided to attempt to turn back into the wind prior to touching down in the field. According to two witnesses, during that turn the aircraft's left wing caught in the tall grass, and the aircraft did a one-quarter cartwheel into the terrain. According to these same witnesses, the aircraft was about 50 to 60 feet above ground, and going very slowly, when the aircraft started to bank. Although the pilot intended to use approximately 30 degrees of bank during the turn, both witnesses reported that the aircraft reached a "very steep" bank angle before it started to sink, and ultimately became entangled in the grass. Both witnesses reported that there was a significant wind blowing from the north at the time of the accident.

Aircraft

Registration
N101Q
Reported as
Start & Flug H-101 Salto
Category
Glider
Serial number
50
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Susan K. Hirtz
Airworthiness certificate
Standard, Aerobatic; Standard, Normal
Last inspection
AAIP · October 10, 2003
Departed
77S · Creswell, OR
Destination
77S

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
51
Injuries
Serious
Certificate
Commercial
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--w/ waivers/lim
Last flight review
October 5, 2003
Seat
Front
Flight hours
1,053 total · 16 in this make and model · 884 as pilot in command · 32 in the last 90 days · 10 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
340° at 10 knots, gusting 15
Visibility
20 statute miles
Lowest ceiling
None
Temperature
70 °F

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.