# NTSB SEA84LA193: Temco GC-1B, N2420B, Langley, WA, August 9, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 9, 1984, 13:15 local (20:15 UTC)
- Place: Langley, WA
- Coordinates: 48.039596, -122.439239 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=48.0396&lon=-122.4392&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 39985
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA84LA193
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/39985/pdf
- Page: https://openairdocs.org/ntsb/SEA84LA193

## Sequence of events

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

- Loss of control - in flight, takeoff - initial climb
  - carburetor heat - improper use of, pilot in command (contributing factor)
  - preflight planning/preparation - poor, pilot in command (cause)
  - proper climb rate - not received, pilot in command (contributing factor)
  - pull-up - excessive, pilot in command(cfi) (cause)
  - stall - inadvertent, pilot in command(cfi)
- In flight collision with object, descent - uncontrolled
  - object - tree(s) (contributing factor)

## Analysis

THE ATP WAS ATTEMPTING A SHORT FIELD THREE POINT TAKEOFF DURING WHICH TREES NEEDED TO BE CLEARED. WHEN REALIZING SUFFICIENT ALT HAD NOT BEEN OBTAINED TO CLEAR THE TREES, THE CFI TOOK OVER THE CONTROLS AND APPLIED BACK PRESSURE IN AN ATTEMPT TO CLIMB. THE ACFT STALLED AND COLLIDED WITH THE TREES. THE ATP STATED AFTER THE ACCIDENT THAT THE CARBURETOR HEAT WAS INADVERTANTLY LEFT ON FROM A PREVIOUS LANDING.

## Aircraft

- Registration: [N2420B](https://openairdocs.org/deregistered/N2420B-2018-04-19), registration cancelled 2018-04-19, S/N 3720, built 1949 (OpenAirDocs)
- Reported make and model: TEMCO GC-1B
- Registry model: [Temco GC-1B](https://openairdocs.org/model/temco-gc-1b) (registry code 9230108) (OpenAirDocs)
- Registry engine: [Continental C145 series](https://openairdocs.org/engine/continental-c145-series) (registry code 17012, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 3720
- Airframe hours: 2053
- Engines: CONTINENTAL 1 125 horsepower reciprocating
- Damage: Substantial damage
- Flight: Part 91
- Registered owner: Glen R. Botsford
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, April 4, 1984, 23 hours before
- Departed: WA31, LANGLEY, WA
- Airport: WA31, Whidbey, runway 34, 2,620 × 80 ft, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 65; airline transport; airplane ratings: single-engine sea, single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--w/ waivers/lim; flight hours: 11,869 total, 1,139 in this make and model, 21 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Visibility: 30 statute miles
- Lowest ceiling: none
- Temperature: 75 °F, dew point -0 °F
- Altimeter: 29.00 inHg

## 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 19840809068049A](https://openairdocs.org/incident/19840809068049A), Aug 9, 1984: Univac GC1B, Langley, WA, Substantial damage. Pilots attempted short field takeoff with carburetor heat on. Aricraft stalled in attempt to clear trees.

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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