# NTSB CHI85LA075: Piper PA-28-140, N9645W, Troy, MI, December 23, 1984

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Limited investigation · Final report
- Date: December 23, 1984, 12:11 local (17:11 UTC)
- Place: Troy, MI
- Coordinates: 42.560203, -83.180328 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=42.5602&lon=-83.1803&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 2 serious
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 12975
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI85LA075
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/12975/pdf
- Page: https://openairdocs.org/ntsb/CHI85LA075

## Sequence of events

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

- Loss of engine power(partial) - nonmechanical, approach - vfr pattern - downwind
  - reason for occurrence undetermined (cause)
- Loss of control - in flight, descent - emergency
  - airspeed - not maintained, pilot in command (cause)
  - stall - inadvertent, pilot in command
- In flight collision with terrain/water, descent - uncontrolled
  - terrain condition - open field

## Analysis

THE PLT REPORTED A LOSS OF POWER WHILE IN THE TRAFFIC PATTERN. DURING HIS MANUVERING TO POSITION THE ACFT FOR LANDING, THE ACFT STALLED & IMPACTED IN A FIELD. INVESTIGATION DID NOT REVEAL ANY FUEL/ENG MALFUNCTION THAT WOULD HAVE CONTRIBUTED TO THE ACCIDENT.

## Aircraft

- Registration: N9645W (not matched to a registry record)
- Reported make and model: PIPER PA-28-140
- Category: Airplane
- Serial number: 28-23104
- Airframe hours: 3596
- Engines: LYCOMING O-320-E2A 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Hot Props Flying Club,Inc
- Registered owner: Hot Props Flying Club
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, December 8, 1984, 2 hours before
- Departed: 7DC, TROY, MI
- Airport: 7DC, Troy-Oakland

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 45; private; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 438 total, 10 in this make and model, 365 as pilot in command, 53 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 200° at 15 knots, gusting 25
- Visibility: 10 statute miles
- Lowest ceiling: 25,000 ft broken
- Temperature: 28 °F, dew point 21 °F
- Altimeter: 30.00 inHg
- Observed at: DET, 12 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 19841223069639A](https://openairdocs.org/incident/19841223069639A), Dec 23, 1984: Piper PA28140, Troy, MI, Substantial damage. Engine sputtered, backfired and quit after takeoff. Stalled while maneuvering for landing. No engine malfunction.

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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