# NTSB FTW82DA162: Piper PA-25-235, N7350Z, Lubbock, TX, May 3, 1982

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Final report
- Date: May 3, 1982, 10:15 local (15:15 UTC)
- Place: Lubbock, TX
- Coordinates: 33.589775, -101.850723 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=33.5898&lon=-101.8507&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report May 3, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 71509
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW82DA162
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/71509/pdf
- Page: https://openairdocs.org/ntsb/FTW82DA162

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Loss of control - on ground/water, landing - roll
  - landing gear,normal brake system - inoperative (cause)
  - maintenance,service of aircraft/equipment - improper, other maintenance personnel (cause)
  - directional control - not maintained, pilot in command
  - ground loop/swerve - uncontrolled, pilot in command
- Nose over, landing - roll
  - terrain condition - soft (contributing factor)

## Analysis

PRIOR TO THE FLIGHT, THE AIRCRAFT HAD BEEN SERVICED IN PREPARATION FOR THE BEGINNING OF THE SPRAYING SEASON. AS PART OF THE SERVICING, THE OPERATOR/PILOT ADDED HYDRAULIC FLUID TO THE LEFT BRAKE. HOWEVER, HE DID NOT PURGE THE SYSTEM OF AIR AFTER ADDING THE FLUID. WHILE LANDING AFTER A SHORT TEST FLIGHT, THE AIRCRAFT VEERED RIGHT, WENT INTO A SOFT FIELD, AND FLIPPED OVER.

## Aircraft

- Registration: [N7350Z](https://openairdocs.org/aircraft/N7350Z), registered now, S/N 25-3302, built 1965 (OpenAirDocs)
- Reported make and model: PIPER PA-25-235
- Registry model: [Piper PA-25-235](https://openairdocs.org/model/piper-pa-25-235) (registry code 7102504) (OpenAirDocs)
- Registry engine: [Lycoming 0-540 series](https://openairdocs.org/engine/lycoming-0-540-series) (registry code 41532, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 25-3302
- Airframe hours: 4461
- Engines: LYCOMING O-540-G1A5 235 horsepower reciprocating
- Damage: Substantial damage
- Flight: Part 91
- Operator: Charles B. Gregg
- Registered owner: Charles B. Gregg
- Departed: LUBBOCK, TX
- Destination: LUBBOCK, TX
- Airport: Private, runway 27, 2,600 × 0 ft, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 45; flight instructor, commercial; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; flight hours: 2,975 total, 1,000 in this make and model, 2,909 as pilot in command, 75 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 225° at 5 knots
- Visibility: 10 statute miles
- Temperature: 158 °F

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19820503013499A](https://openairdocs.org/incident/19820503013499A), May 3, 1982: Piper PA25235, Lubbock, TX, Substantial damage. Lost control on landing roll. Stopped upside down in a ditch. Parking brake on and or air in brake system factors.

## Other investigations on N7350Z (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 FTW66D0654](https://openairdocs.org/ntsb/FTW66D0654), May 3, 1966: Piper PA-25 (N7350Z), Crowley, LA, substantial damage

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.

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