Schweizer SGS 2-33 N5727S

Summary

On 31 January 1987 at about 19:00 local time, a Schweizer SGS 2-33 registered N5727S was involved in an accident near Marana, Arizona, United States. One person was on board and one was seriously injured. The aircraft was substantially damaged. No probable cause statement is available for this record.

Date

31 January 1987 at 19:00

Classification

Accident

Location

Marana, Arizona, United States

Nearest airport

El Tiro Glider Port

Coordinates

Not recorded

Aircraft

Schweizer SGS 2-33

Registration

N5727S

Category

Glider

Operator

Not recorded

Operating rule

Part 91: General Aviation

Purpose of flight

Instructional

Phase of flight

Not recorded

Route

Marana → Unknown

Aircraft damage

Substantial

Weather

VMC

Light

Day

NTSB number

LAX87LA104

1 person was seriously injured.

The NTSB has not published a probable cause for this record. No probable cause statement is present in the source data.

Nothing about the cause is stated here that is not in the source record.

Read the full NTSB narrative

DURING A WINCH TOW, THE CABLE PREMATURELY RELEASED THE GLIDER AT APPROXIMATELY 100 TO 150 FEET. THE GLIDER REMAINED IN A NOSE HIGH ATTITUDE MOMENTARILY THEN BEGAN A SHALLOW DESCENDING RIGHT TURN. AT APPROXIMATELY 75 FEET THE ROLL, PITCH, AND DESCENT RATE ACCELERATED. THE GLIDER COMPLETED APPROXIMATELY 140 DEGREES OF TURN THEN COLLIDED WITH THE TERRAIN IN A STEEP NOSE DOWN ATTITUDE. SERVICE BULLETIN NO. SA-001 AND AIRWORTHINESS DIRECTIVE 87-02-01 WERE ADOPTED TO PREVENT THE POSSIBILITY OF AN INADVERTENT TOW-HOOK RELEASE DURING TOWING OPERATIONS. THE AD HAD NOT BEEN COMPLIED WITH AT THE TIME OF THE ACCIDENT.

Quoted verbatim from the NTSB record.