# Accident 20210620007919A: Piper PA-25-235, Twisp, WA, June 20, 2021

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: June 20, 2021, 12:45 local time
- Place: Twisp, WA
- Airport: Twisp Municipal
- Damage: Substantial damage
- Phase of flight: Maneuver
- Operating rules: General operating rules (Part 91)
- Location: 48.3506° N, 120.0940° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=48.3506&lon=-120.0940&mi=10
- Aircraft: N6917Z, a cancelled registration (https://openairdocs.org/deregistered/N6917Z-2021-12-03) (OpenAirDocs)
- Registry model: Piper PA-25-235 (registry code 7102504, https://openairdocs.org/model/piper-pa-25-235) (OpenAirDocs)
- Registry engine: Lycoming 0-540 series (registry code 41532, https://openairdocs.org/engine/lycoming-0-540-series) (OpenAirDocs)
- Reported make and model: PIPER PA-25-235
- Reported engine: LYCOMING 0-540 SERIES
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 1
- Pilot certificates: Airline transport
- Pilot flight hours: 15,076 total
- NTSB investigation: [NTSB WPR21LA238](https://openairdocs.org/ntsb/WPR21LA238) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20210620007919A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

GLIDER TOW PLANE WHILE TOWING GLIDER LOST AILERON AND ELEVATOR CONTROL FUNCTION WHEN HIT TURBULENCE AND STICK DETACHED FROM TORGUE TUBE PIVOT POINT  AT 4000' MSL AND 2000' AGL 7 MILES EAST OF 2SO. GLIDER RELEASED SAFELY. TOW PLANE PILOT DECLARED EMERGENCY AND TURNED BACK TO 2SO USING RUDDER, PITCH TRIM AND THROTLE TO CONTROL HEADING ALTITUDE AND ROLL  DURING DESCENT TO RUNWAY 28 (2SO). AT 20' AGL OVER GRASS RUNWAY, WHEN POWER WAS PULLED FOR LANDING AIRCRAFT ROLLED RIGHT UNCONTROLLABLY AND AIRCRAFT HIT HARD ON RIGHT GEAR BOUNCED VEARING RIGHT AND LANDING ON BOTH MAINS HEADING OFF RUNWAY INTO FIELD, WHERE IT STRUCK A BERM AND SHEARED OFF BOTH LANDING GEAR SPINNING HARD TO RIGHT. BOTH WINGS WERE SEVERELY DAMAGED SLIDING ON GROUND AND BY LANDING GEAR STRIKING THEM. PROPELLER IMPACTED GROUND AND ENGINE MOUNT IS BENT TO RIGHT. AIRCRAFT CAME TO REST AND PILOT EXITED UNASSISTED WITH MINOR HEAD INJURIES. NO FIRE REPORTED.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB WPR21LA238](https://openairdocs.org/ntsb/WPR21LA238), Jun 20, 2021: Piper PA-25-235 (N6917Z), Twisp, WA, substantial damage. Probable cause: An in-flight separation of the control stick from the torque tube assembly, which resulted in a loss of directional control during the landing roll and subsequent on-ground collision.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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