# Accident 20010927027399A: Scwzer G164A, Parowan, UT, September 27, 2001

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 27, 2001, 09:00 local time
- Place: Parowan, UT
- Damage: Destroyed
- Phase of flight: Low Level Operations
- Operating rules: Agricultural (Part 137)
- Location: 37.8847° N, 112.6514° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=37.8847&lon=-112.6514&mi=10
- Aircraft: N9925, a cancelled registration (https://openairdocs.org/deregistered/N9925-2011-06-14) (OpenAirDocs)
- Registry model: Grumman Acft ENG Cor-Schweizer G-164A (registry code 3952801, https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164a) (OpenAirDocs)
- Registry engine: Continental R-975 series (registry code 17037, https://openairdocs.org/engine/continental-r-975-series) (OpenAirDocs)
- Reported make and model: SCWZER G164A
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 1,682 total, 300 in this make and model, 100 in the last 90 days
- NTSB investigation: [NTSB DEN01LA163](https://openairdocs.org/ntsb/DEN01LA163) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20010927027399A

## Narrative

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

(.19) ON SEPTEMBER 27, 2001, AT APPROXIMATELY 0900 MOUNTAIN DAYLIGHT TIME, A GRUMMAN-SCHWEIZER G-164A, N9925, WAS SUBSTANTIALLY DAMAGED WHILE MANEUVERING DURING AERIAL APPLICATING NEAR PAROWAN, UTAH. THE COMMERCIAL PILOT, THE SOLE OCCUPANT IN THE AIRPLANE, WAS NOT INJURED. THE AIRPLANE WAS BEING OPERATED BY PAROWAN CROP DUSTING SERVICES, INC., PAROWAN, UTAH, UNDER TITLE 14 CFR PART 137. VISUAL METEOROLOGICAL CONDITIONS PREVAILED FOR THE LOCAL AERIAL APPLICATION FLIGHT THAT ORIGINATED APPROXIMATELY 30 MINUTES BEFORE THE ACCIDENT. THE PILOT SAID THAT AS HE COMPLETED AN APPLICATION PASS, HE TURNED HIS HEAD TO LOOK FOR HIS FLAGMAN. HE SAID THAT THE AIRPLANE FLEW INTO THE GROUND. THE LEFT WING SPAR WAS BENT UP. (-23) WHILE CROPDUSTING, PILOT LOOKED OUT AT HIS FLAGGER AND SUBSEQUENTLY FLEW THE AIRCRAFT INTO THE GROUND.                                          (.4) ON SEPTEMBER 27, 2001, AT APPROXIMATELY 0900 MOUNTAIN DAYLIGHT TIME, A GRUMMAN-SCHWEIZER G-164A, N9925, WAS SUBSTANTIALLY DAMAGED WHEN IT IMPACTED TERRAIN WHILE MANEUVERING DURING AN AERIAL APPLICATION PASS NEAR PARAWAN, UTAH. THE COMMERCIAL PILOT, THE SOLE OCCUPANT IN THE AIRPLANE, WAS NOT INJ                                  URED. THE AIRPLANE WAS BEING OPERATED BY PAROWAN CROP DUSTING SERVICES, INC., PAROWAN, UTAH, UNDER TITLE 14 CFR PART 137. VISUAL METEOROLOGICAL CONDITIONS PREVAILED FOR THE LOCAL AERIAL APPLICATION FLIGHT THAT ORIGINATED APPROXIMATELY 30 MINUTES BEFORE THE ACCIDENT. THE PILOT SAID THAT HE COMPLETED AN APPLICATION PASS, AND TURNED HIS HEAD TO LOOK FOR HIS FLAGMAN. HE SAID THERE WAS RISING TERRAIN IN FRONT OF HIM, AND HE IMMEDIATELY APPLIED FULL POWER. THE AIRPLANE BEGAN LOSING AIRSPEED, AND HE WAS UNABLE TO INCREASE THE CLIMB RATE. THE AIRPLANE IMPACTED THE GROUND IN A ROUGH RAVINE. THE LEFT WING SPAR WAS BENT UP AND THE FUSELAGE WAS WRINKLED. THE CALCULATED DENSITY ALITTUDE WAS 9,736 FEET.

## 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 DEN01LA163](https://openairdocs.org/ntsb/DEN01LA163), Sep 27, 2001: Grumman-Schweizer G-164A (N9925), Parowan, UT, substantial damage. Probable cause: the pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall/mush into terrain. Contributing factors were the pilot's diverted attention, the rising terrain, and the high…

## Other reports on N9925 (2)

Matched to the same aircraft by N-number and date.

- [Accident 19840908047769A](https://openairdocs.org/incident/19840908047769A), Sep 8, 1984: Scwzer G164A (N9925), Goodyear, AZ, Substantial damage. Engine lost power resulting in forced landing. Aircraft damage substantial. Cause of power loss undetermined.
- [Accident 19760508011289A](https://openairdocs.org/incident/19760508011289A), May 8, 1976: Gulstm G164C (N9925), Butte City, CA, Substantial damage. Carb accl pump stem,pn NAY9E1 and nut,pn P1229 not safetied. Lnd in rice fld.

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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