# NTSB ANC82DAG31: Piper PA-18, N8653Y, Anchorage, AK, June 12, 1982

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: June 11, 1982, 16:10 local (Jun 12, 1982, 00:10 UTC)
- Place: Anchorage, AK
- Coordinates: 61.179454, -149.880737 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=61.1795&lon=-149.8807&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 11, 1983
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 69770
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC82DAG31
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/69770/pdf
- Page: https://openairdocs.org/ntsb/ANC82DAG31

## Sequence of events

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

- Loss of engine power(partial) - nonmechanical, maneuvering
  - weather condition - carburetor icing conditions (contributing factor)
  - fuel system,carburetor - ice (cause)
  - carburetor heat - improper use of, pilot in command (cause)
- Forced landing, landing - flare/touchdown
- In flight collision with terrain/water, landing - flare/touchdown
  - terrain condition - high vegetation (contributing factor)
  - terrain condition - wet (contributing factor)
  - terrain condition - soft (contributing factor)

## Analysis

THE PILOT REPORTED THAT BEFORE TAKEOFF, HE HAD TROUBLE GETTING THE ENGINE TO DEVELOP POWER. HE CALLED A MECHANIC WHO ADVISED THAT CONDITIONS WERE RIGHT FOR CARBURETOR ICING. THE MECHANIC SUGGESTED RUNNING THE ENGINE WITH CARBURETOR HEAT APPLIED. THE PILOT DID THIS AND SAID THAT IT HELPED, SO HE TOOK OFF TO TEST THE ENGINE OPERATION IN FLIGHT. HE CIRCLED SEVERAL TIMES WHILE FLYING WITH THE CARBURETOR HEAT ON, THEN TURNED THE HEAT OFF. WITH THE HEAT OFF, THE ENGINE RPM INCREASED FOR A FEW SECONDS, AND THEN ACCORDING TO THE PILOT, THE ENGINE SPUTTERED AND LOST POWER. THE PILOT REAPPLIED THE CARBURETOR HEAT, BUT THE ENGINE DID NOT RESPOND FULLY. THE AIRCRAFT WAS DAMAGED WHILE LANDING IN A SPRUCE COVERED, SWAMPY AREA.

## Aircraft

- Registration: [N8653Y](https://openairdocs.org/aircraft/N8653Y), registered now, S/N 18-7309024 (OpenAirDocs)
- Reported make and model: PIPER PA-18
- Registry model: [Piper PA-18-150](https://openairdocs.org/model/piper-pa-18-150) (registry code 7101828) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 18-1634
- Airframe hours: 100
- Engines: LYCOMING O-320 160 horsepower reciprocating
- Damage: Substantial damage
- Flight: Part 91
- Operator: Ward Hulbert
- Registered owner: Ward Hulbert
- Departed: SAND LAKE, AK
- Destination: SAND LAKE, AK
- Airport: Sand Lake

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 50; private; airplane ratings: single-engine sea, single-engine land; medical: class 3, valid medical--no waivers/lim.; flight hours: 754 total, 754 in this make and model, 715 as pilot in command, 21 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 230° at 5 knots
- Visibility: 60 statute miles

## 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 19820611022129A](https://openairdocs.org/incident/19820611022129A), Jun 11, 1982: Piper PA18150, Anchorage, AK, Substantial damage. Pilot took off with erratic operating engine. Engine quit when carburetor heat was removed.

## Other investigations on N8653Y (4)

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.

- [NTSB ANC04LA095](https://openairdocs.org/ntsb/ANC04LA095), Aug 13, 2004: Piper PA-18-150 (N8653Y), Soldotna, AK, substantial damage. Probable cause: The pilot's failure to maintain airspeed while maneuvering, which resulted in an inadvertent stall and uncontrolled descent.
- [NTSB ANC94LA138](https://openairdocs.org/ntsb/ANC94LA138), Sep 13, 1994: Piper PA-18 (N8653Y), Kodiak, AK, substantial damage. Probable cause: A FAILURE OF THE PILOT TO ADEQUATELY COMPENSATE FOR CROSSWIND CONDITIONS. A CROSSWIND AND ROUGH/UNEVEN TERRAIN WERE FACTORS IN THE ACCIDENT.
- [NTSB ANC88LA097](https://openairdocs.org/ntsb/ANC88LA097), Jul 27, 1988: Piper PA-18 (N8653Y), Anchorage, AK, substantial damage
- [NTSB ANC83LA027](https://openairdocs.org/ntsb/ANC83LA027), Dec 25, 1982: Piper PA-18-150 (N8653Y), Hope, AK, substantial damage

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.