CHI03LA063
2003-02-01 · Grand Rapids, Michigan, United States · None · 1 aircraft · Status: Completed
Airport KGRR
Current FAA registration · N5677X
- Make / Model
- BEECH A36
- Year of manufacture
- 1993 · 10 years old at event
- Engine
- CONT MOTOR IO-550 SERIES (300 hp)
- Seats / Engines
- 6 seats · 1 engine
- Last airworthiness date
- 19930518
- ADS-B equipped
- Yes — Mode-S A7444E
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The pilot's failure to maintain aircraft control which resulted in the overload of the aircraft. Spatial disorientation, an inoperative turn coordinator, and the pilot's misinterpretation of the flight instruments were contributing factors.
Factual narrative
On February 01, 2003, about 0800 eastern standard time, a Beech A36, N5677X, piloted by a certified flight instructor (CFI) and dual student, sustained substantial damage during a recovery from an unusual attitude after a loss of control during instrument flight. The non-instrument rated dual student held a private pilot certificate with a single engine land rating. The 14 CFR Part 91 training flight was operated in instrument meteorological conditions (IMC) with an instrument flight plan. No injuries were reported. The flight originated from the Gerald R. Ford International Airport (GRR), Grand Rapids, Michigan, about 10 minutes prior to the loss of control. The destination has not been determined. The weather reporting station located at the departure airport recorded the ceiling and visibility as overcast ceiling at 700 feet above ground level, and 7 statute miles respectively. The report was taken about 4 minutes prior to the accident. The CFI reported that prior to departure checks of the engine and flight instruments were normal. He stated that the takeoff was uneventful. Shortly after takeoff the airplane entered IMC. The CFI said he noticed that the airplane was in a 30 degree bank and he applied right aileron to correct. He said that a subsequent scan of the turn coordinator showed wings level. He said that another scan of the attitude indicator showed a bank angle in excess of 60 degrees. The CFI stated that he assumed control of the airplane and determined that the gyroscopic instruments were not usable. According to the CFI, the airplane exited IMC in an unusual, high speed, nose down, left bank attitude and the he used right aileron and up elevator to recover. The CFI regained control below the overcast and returned to the departure airport. The airplane was substantially damaged due to the pull up during recovery. A postaccident examination of the airplane was conducted. The wings, horizontal stabilizer skins were wrinkled. Further examination revealed that the wing and horizontal stabilizer spars were damaged. During the examination, the turn coordinator circuit breaker was found in the open position. A run up and taxi test confirmed that the primary and backup instrument pressure systems were operational. The pressure gyroscopic instruments functioned without noticeable defect during the test. Additionally, the turn coordinator circuit breaker was reset and no noticeable defects in operation were found during the test. Subsequent to the taxi testing, the artificial horizon indicator (AHI) was removed for further examination. Bench testing of the AHI was performed by a certified repair station under the supervision of a Federal Aviation Administration official. The testing of the AHI revealed that the unit was in an airworthy condition. The airplane received substantial damage during a high speed pull-up while recovering from an unusual attitude after a loss of control during an instrument training flight in actual instrument meteorological conditions. The ceiling was reported to be overcast at 700 feet above ground level. The airplane subsequently returned to the departure airport. The certified flight instructor who was on-board the airplane reported that pre-departure checks of the flight instruments were normal. He said that, during the flight the gyroscopic flight instrument became unusable. A postaccident examination revealed that the turn coordinator circuit breaker was in the open position. Further testing revealed no detectable defects in the gyroscopic flight instruments and instrument pressure system. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_2003_CHI03LA063.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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Related research
Matched on aircraft type or causal vocabulary (loss of control, spatial disorientation, imc). All research papers
- Embry-Riddle Scholarly Commons 2025 · Journal article (IJAAA) Design, Implementation, and Testing of Spatial Disorientation Scenarios in a Modified Hexapod Motion Simulator
Abstract Investigations into aviation accidents aim to identify root causes and enhance safety. Despite advancements in safety measures, technology, and education, general aviation accident rates rema…
- Embry-Riddle Scholarly Commons 2025 · Journal article (JAAER) A Scoping Review of Aviation Loss of Control Inflight Research
Loss of control – inflight (LOC-I) contributes to aircraft accidents at unacceptably high rates. Significant industry efforts and research have aimed to improve LOC-I prevention, detection, and recove…
- SKYbrary (Eurocontrol) 2024 · SKYbrary article Loss of Control In-Flight (LOC-I) — SKYbrary Knowledge Base
SKYbrary comprehensive knowledge-base entry on Loss of Control In-Flight — definitions, contributing factors, accident case studies (Air France 447, Colgan 3407), and prevention strategies.
- Semantic Scholar 2024 · Article (International Conference on Networking and Services) Risk Assessment of Loss of Control In-Flight Trajectories for Urban Air Mobility Safety
In Urban Air Mobility (UAM), maintaining a minimum separation between aircraft is a safety requirement, which becomes challenging amidst congested air traffic and off-nominal conditions, such as Loss …
- NTSB Aircraft Accident Reports 2022 · Accident report Loss of Control on Takeoff in Icing Conditions — Citation 560XL
Cessna Citation 560XL fatal takeoff icing accident, March 2018. Investigation of a Citation 560XL loss-of-control takeoff accident in icing conditions.
- AOPA Air Safety Institute 2022 · Safety advisor Safety Advisor: Spatial Disorientation
Safety advisor on the perceptual illusions that cause spatial disorientation: the leans, graveyard spiral, somatogravic and somatogyral illusions, false horizon, and Coriolis.