# NTSB ANC83LA004: Piper PA-23-250, N6843A, Anchorage, AK, October 9, 1982

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Limited investigation · Final report
- Date: October 9, 1982, 12:30 local (20:30 UTC)
- Place: Anchorage, AK
- Coordinates: 61.220657, -149.849426 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=61.2207&lon=-149.8494&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 2 uninjured
- Status: Completed, report October 9, 1983
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 69774
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC83LA004
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/69774/pdf
- Page: https://openairdocs.org/ntsb/ANC83LA004

## Sequence of events

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

- Vortex turbulence encountered, cruise - normal
  - seat belt - not used, check pilot (cause)

## Analysis

SHORTLY AFTER DEPARTURE THE FLT RECEIVED RADAR VECTORS PLACING IT NEAR A VFR REPORTING POINT LOCATED 4 MI PAST THE DEPARTURE END OF RWY 32 & 2 MI EAST OF THE RWY CENTERLINE. TRAFFIC ADVISORIES WERE ISSUED BY APPROACH CONTROL INDICATING A BEOING 747 CLIMBING NORTHBOUND & A BOEING 747 ON DEPARTURE FROM RWY 32. THE CHECK PLT STATED HE SAW THE BOEING 747 CLIMBING NORTHBOUND WHICH PASSED IN FRONT & AT A LOWER ALTITUDE. HE THEN LOOSENED HIS SEATBELT TO LOOK FOR THE OTHER BOEING 747. MOMENTS LATER THE ACFT SUSTAINED A SEVERE JOLT THROWING THE CHECK PLT AGAINST THE CEILING OF THE ACFT INJURING HIS NECK.

## Aircraft

- Registration: [N6843A](https://openairdocs.org/deregistered/N6843A-2014-11-25), registration cancelled 2014-11-25, S/N 27-8054001, built 1979 (OpenAirDocs)
- Reported make and model: PIPER PA-23-250
- Registry model: [Piper PA-23-250](https://openairdocs.org/model/piper-pa-23-250) (registry code 7102308) (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: 27-8054001
- Engines: LYCOMING IO-540 250 horsepower reciprocating
- Damage: No damage
- Flight: Instructional, Part 91
- Operator: Jerome P. Bushnell
- Registered owner: Walter D. Wells
- Departed: C, ANCHORAGE, AK
- Destination: C, ANCHORAGE, AK
- Airport: Anchorage International

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; medical: unknown, unknown

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 40 statute miles
- Lowest ceiling: 3,500 ft overcast
- Temperature: 77 °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 19821009052179A](https://openairdocs.org/incident/19821009052179A), Oct 9, 1982: Piper PA23250, Anchorage, AK. Aircraft hit heavy jet wake turbulence on climbout. Check pilot passenger hit the ceiling. Suffered a neck injury.

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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