# NTSB DEN83FA044: Piper Aerostar 602P, N6893L, Almy, WY, January 6, 1983

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Field investigation · Final report
- Date: January 5, 1983, 17:30 local (Jan 6, 1983, 00:30 UTC)
- Place: Almy, WY
- Coordinates: 41.250484, -110.960861 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=41.2505&lon=-110.9609&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 15965
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN83FA044
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/15965/pdf
- Page: https://openairdocs.org/ntsb/DEN83FA044

## Analysis

BEFORE DEPARTING, THE PLT OBTAINED A WX BRIEFING & WAS ADVISED OF A SIGMET WHICH FORECASTED SEVERE TURBULENCE BELOW 18,000 FT, STRONG UP/DOWNDRAFTS, STRONG SURFACE WINDS & WIND SHEAR NEAR MOUNTAINS & IN PASSES. HE TOOK OFF WITH FULL FUEL TANKS & APRX 400 LBS OF CARGO ON BOARD. ARTCC REPORTED THAT THE EN ROUTE PORTION OF THE FLT WAS HANDLED ROUTINELY. DURING ARRIVAL, THE PLT CONTACTED THE ARPT UNICOM FOR A LANDING ADVISORY. A KING AIR PLT WAS ARRIVING AT ABOUT THE SAME TIME & ASKED THE AEROSTAR PLT IF HE WAS MAKING A FULL STOP. THE AEROSTAR PLT REPLIED THAT HE WAS. THE KING AIR PLT LOST SIGHT OF THE AEROSTAR & BEGAN A 360 DEG TURN. HE ASKED THE AEROSTAR PLT TO ADVISE OF HIS POSITION, & SHORTLY THEREAFTER,THE AEROSTAR PLT TRANSMITTED 3 MAYDAY CALLS. REPORTEDLY, THE ACFT NOSED UP & WENT INTO A STEEP RGT BANK JUST BFR IMPACT.NO PREIMPACT MECHANICAL FAILURE/MALFUNCTION WAS FOUND. THERE WAS EVIDENCE THAT MOST OF THE CARGO WAS IN THE BAGGAGE COMPARTMENT (LIMITED TO 240 LBS) & COULD HAVE MOVED THE CG WELL BEYOND THE AFT LIMIT. ELEV TRIM FND FULL NOSE DOWN.

## Sequence of events

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

- Loss of control - in flight, approach - vfr pattern - base leg/base to final
  - preflight planning/preparation - inadequate, pilot in command (cause)
  - aircraft weight and balance - exceeded, pilot in command (cause)
  - light condition - dusk
  - visual lookout - reduced, pilot in command
  - diverted attention, pilot in command (contributing factor)
  - aircraft handling - not maintained, pilot in command
  - stall - uncontrolled, pilot in command
- In flight collision with terrain/water, descent - uncontrolled

## Aircraft

- Registration: [N6893L](https://openairdocs.org/deregistered/N6893L-1984-05-17), registration cancelled 1984-05-17, S/N 62P08938165025 (OpenAirDocs)
- Reported make and model: PIPER AEROSTAR 602P (AEROSTAR 6)
- Registry model: [Piper AEROSTAR 602P](https://openairdocs.org/model/piper-aerostar-602p) (registry code 7106014) (OpenAirDocs)
- Category: Airplane
- Serial number: 602P08938165
- Airframe hours: 372
- Engines: LYCOMING IO-540-AA1A5 290 horsepower reciprocating
- Damage: Destroyed
- Flight: Business, Part 91
- Registered owner: Moser Engine Service
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, September 14, 1982, 65 hours before
- Departed: CPR, CASPER, WY
- Flight plan: IFR
- Airport: EVW, Evanston Muni, runway 16, 5,000 × 50 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 24; commercial, flight instructor; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: left; toxicology performed; flight hours: 1,642 total, 341 in this make and model, 1,529 as pilot in command, 41 in the last 90 days

## Weather

- Conditions: Visual (VMC), Dusk
- Wind: 210° at 10 knots
- Visibility: 30 statute miles
- Lowest ceiling: none
- Temperature: 37 °F
- Altimeter: 30.00 inHg
- Observed at: EVW

## 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 19830105002079A](https://openairdocs.org/incident/19830105002079A), Jan 5, 1983: Piper PA60602P, Almy, WY, Destroyed. Aircraft was seen to pitch up roll over and crash on the landing approach. Was loaded too FAR aft of CG.

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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