# NTSB MIA91LA018: Piper PA-36-285, N9926P, Osteen, FL, October 31, 1990

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: October 31, 1990, 15:40 local (20:40 UTC)
- Place: Osteen, FL
- Coordinates: 28.839673, -81.159088 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=28.8397&lon=-81.1591&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 28, 1992
- Report: Approved by Office Director
- NTSB case key (mKey): 32788
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA91LA018
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/32788/pdf
- Page: https://openairdocs.org/ntsb/MIA91LA018

## Probable cause

TOTAL LOSS OF ENGINE POWER, FOR AN UNDETERMINED REASON.

## Sequence of events

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

- Loss of engine power(total) - nonmechanical, maneuvering
  - reason for occurrence undetermined (cause)
  - 
- Forced landing, descent - emergency
- In flight collision with terrain/water, descent - emergency

## Analysis

THE PILOT DEPARTED FROM A PRIVATE AIRSTRIP TO CONDUCT AN AERIAL APPLICATION FLIGHT. VFR CONDITIONS PREVAILED AT THE TIME AND NO FLIGHT PLAN WAS FILED. THE PILOT STATED HE WAS AT 100 FEET AGL MANEUVERING TO MAKE AN AERIAL APPLICATION SPRAY RUN OF CHEMICALS TO THE SOUTH WHEN THE ENGINE QUIT. THE PILOT TOOK EVASIVE ACTION TO CLEAR WIRES. THE LEFT WING COLLIDED WITH THE TERRAIN. THE AIRPLANE WAS DESTROYED. THE COMMERCIAL PILOT WAS NOT INJURED. AN ENGINE TEARDOWN ANALYSIS WAS CONDUCTED. THE CAUSE FOR TOTAL LOSS OF ENGINE POWER COULD NOT BE DETERMINED.

## Aircraft

- Registration: [N9926P](https://openairdocs.org/deregistered/N9926P-1991-03-12), registration cancelled 1991-03-12, S/N 367560036 (OpenAirDocs)
- Reported make and model: PIPER PA-36-285
- Registry model: [Piper PA-36-285](https://openairdocs.org/model/piper-pa-36-285) (registry code 7103610) (OpenAirDocs)
- Category: Airplane
- Serial number: 36-7560036
- Airframe hours: 4902
- Engines: CONTINENTAL IO-520-CA2 285 horsepower reciprocating
- Damage: Destroyed
- Flight: Aerial application, Part 137
- Operator: Potters Flyers, Inc.
- Registered owner: Potters Flyers Inc.
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, March 27, 1990, 342 hours before
- Departed: NONE, ZELLWOOD, FL

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 44; commercial; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; seat: center; flight hours: 3,959 total, 380 in this make and model

## Weather

- Conditions: Visual (VMC), Day
- Wind: 20° at 5 knots
- Visibility: 7 statute miles
- Lowest ceiling: none
- Temperature: 70 °F, dew point 63 °F
- Altimeter: 30.00 inHg
- Observed at: MCO, 25 nm away

## 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 19901031048879A](https://openairdocs.org/incident/19901031048879A), Oct 31, 1990: Piper PA36285, Osteen, FL, Destroyed. Reported engine failed maneuvering for spray run. Crash landed. Cause power loss undetermined.

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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