# NTSB ANC84LA186: Champion 7KCAB, N9143L, Anchorage, AK, September 19, 1984

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: September 19, 1984, 13:58 local (21:58 UTC)
- Place: Anchorage, AK
- Location: 61.2181° N, 149.9003° W: Placed by OpenAirDocs: center of Anchorage, AK, within about 23 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=61.2181&lon=-149.9003&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4379
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC84LA186
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4379/pdf
- Page: https://openairdocs.org/ntsb/ANC84LA186

## Sequence of events

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

- Loss of engine power, maneuvering
  - reason for occurrence undetermined, pilot in command (cause)
- Forced landing, descent - emergency
- 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

## Analysis

THE FLOAT EQUIPPED ACFT CRASHED WHILE MANEUVERING NEAR A SMALL LAKE. THE PLT STATED THAT WHILE AT 1000 FT AGL THE ENG 'COUGHED A FEW TIMES AND DIED'. THE PLT TOLD THE RESCUE CREW THAT HIS ENG ICED-UP WHILE WAS AT LOW ALT. THE PASSENGER STATED THAT THE ACFT STALLED DURING A LOW LEVEL TURN. CONFLICTING STATEMENTS THROUGHOUT THE INVESTIGATION PROVIDED CONTRADICTORY INFORMATION CONCERNING THE OPERATION OF THIS FLT.

## Aircraft

- Registration: [N9143L](https://openairdocs.org/deregistered/N9143L-2013-05-22), registration cancelled 2013-05-22, S/N 288-71, built 1971 (OpenAirDocs)
- Reported make and model: CHAMPION 7KCAB
- Registry model: [Champion 7KCAB](https://openairdocs.org/model/champion-7kcab) (registry code 21101P3) (OpenAirDocs)
- Registry engine: [Lycoming TI0-540 series](https://openairdocs.org/engine/lycoming-ti0-540-series) (registry code 41533, turbo-prop) (OpenAirDocs)
- Category: Airplane
- Serial number: 288-71
- Airframe hours: 900
- Engines: LYCOMING IO-320-E2A 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: James Harvard Rooks
- Airworthiness certificate: Standard, Aerobatic; Standard, Normal
- Last inspection: Annual, March 10, 1984, 50 hours before
- Departed: AK83, ANCHORAGE, AK
- Destination: AK83, ANCHORAGE, AK

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 38; commercial; airplane ratings: single-engine sea, multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, expired; seat: front; flight hours: 2,274 total, 200 in this make and model, 1,965 as pilot in command, 920 in the last 90 days, 11 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 180° at 15 knots
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 50 °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 19840919049739A](https://openairdocs.org/incident/19840919049739A), Sep 19, 1984: Bbavia 7KCAB, Anchorage, AK, Substantial damage. Struck trees while maneuvering near small lake. Pilots medical expired. Contradictory information provided by pilot

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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