# NTSB MKC84FU002: Rally Rotec 2B, Carroll, IA, April 28, 1984

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Final report
- Date: April 28, 1984, 17:35 local (23:35 UTC)
- Place: Carroll, IA
- Coordinates: 42.059516, -94.859016 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=42.0595&lon=-94.8590&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 33565
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC84FU002
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/33565/pdf
- Page: https://openairdocs.org/ntsb/MKC84FU002

## Sequence of events

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

- Loss of control - in flight, maneuvering
  - in-flight planning/decision - improper, pilot in command (cause)
  - terrain condition - rising (contributing factor)
  - pull-up - performed, pilot in command
  - airspeed - not maintained, pilot in command (cause)
  - stall - uncontrolled, pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

THE ULTRALIGHT WAS SEEN MANEUVERING AT LOW ALT IN THE VICINITY OF THE ACCIDENT. THE PLT CIRCLED HIS BROTHER'S HOUSE AT LOW ALT AND THEN PULLED UP ABRUPTLY TO AVOID RISING TERRAIN. IN THE ABRUPT MANEUVER, THE PLT LOST CONTROL OF THE ULTRALIGHT AND IMPACTED THE GROUND. THE PLT SAID HE WAS TRYING TO LAND, BUT SUDDENLY SAW THE RISING TERRAIN AND PULLED UP THE RIGHT WING DROPPED AND THE ACFT NOSED DOWN INTO THE GROUND.

## Aircraft

- Registration: UNREG (not matched to a registry record)
- Reported make and model: RALLY ROTEC 2B
- Category: Ultralight, amateur-built
- Serial number: 73292
- Engines: Rotax 3440382BOMBAR 48 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 103
- Registered owner: Jeffery Crouse
- Departed: CIN, CARROLL, IA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 28; airplane ratings: single-engine land; medical: unknown, unknown; seat: center; flight hours: 106 total

## Weather

- Conditions: Visual (VMC), Day
- Wind: 300° at 10 knots
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 45 °F

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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