CHI85FA249

NTSB accident investigation · Boeing 727 · South Haven, MI · June 23, 1985

Accident · Serious injuriesField investigationFinal report
Date
June 23, 1985, 17:08 local (21:08 UTC)
Place
South Haven, MI
Injuries
2 serious, 2 minor, 71 uninjured
Phase of flight
Enroute
Aircraft
N1965Boeing 727N1200LCessna 421C
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19850623075809A
Case key
12845

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Near collision between aircraftDescent - normal
Operation with known deficiencies in equipment - performedPilot of other aircraftFactor
Identification of aircraft on radar - not attainedAtc personnel(artcc)Factor
Improper use of procedureAtc personnel(artcc)Factor
Weather condition - cloudsFactor
Seat belt sign - selected
Visual lookout - inadequateCopilot/second pilotCause
Remedial action - delayedPilot in commandCause
Remedial action - inadequatePilot of other aircraftCause
Abrupt maneuverDescent - normal
Maneuver - intentional
Miscellaneous/otherDescent
Seat belt - not usedPassengerCause
Near collision between aircraftCruise - normal
Operation with known deficiencies in equipment - performedPilot in commandFactor
Identification of aircraft on radar - not attainedAtc personnel(artcc)Factor
Improper use of procedureAtc personnel(artcc)Factor
Weather condition - cloudsFactor
Remedial action - inadequatePilot in commandCause
Visual lookout - inadequatePilot of other aircraftCause
Remedial action - delayedPilot of other aircraftCause
Abrupt maneuverCruise - normal
Maneuver - intentional
Airframe/component/system failure/malfunctionCruise
Horizontal stabilizer surface - overload
Design stress limits of aircraft - exceeded

Analysis

While en route on an IFR flt plan (1st officer at ctls), American flt 803 (a Boeing 727, N1965) bgn a dscnt fm FL 190 TO9000'. The seat belt sign was turned on at 18,000'. While dscndg btn cld layers, at aprx 13,000 to 12,000', the capt sawa Cessna 421C, N1200L, converging fm opposite drctn. He took ctl & 'executed a hard nose over' to avoid a collision. Thecessna plt rprtd he was cruising in VFR conds at 12,500' when he saw the Boeing dscndg out of scat clds. He bgn dscndg, then entered an abrupt clbg turn to avoid colliding. Rprtdly, the acft passed each other w/i 50 to 100'. An unrestrainedpax & 1 flt atndnt (fa) were seriously injured; 2 fa's received minor injuries. After lndg, wrinkles & skin dmg were fndon the Cessna's horizontal stabilizers. The Cessna plt was using his #2 transponder (xp); ARTCC was receiving its reply intermittently; it was fnd transmitting 3 mhz (max lmt) abv the desired freq. On 4/12/84, xp's were chkd & written up as'#2 off freq high.' After the nr collision, the ARTCC ctlr noted the 'all primary' feature of his radar was not in use.

Aircraft · 2

Registration
N1965
Reported as
Boeing 727
Category
Airplane
Serial number
19839
Engine
P&W JT8D-7, 15,500 lbs thrust, turbo fan
Damage
No damage
Flight
Part 121
Operator
American Airlines, Inc., doing business as Dallas-Ft Worth Airport
Airworthiness certificate
Standard, Transport
Departed
ORD · Chicago, IL
Destination
GRR · Grand Rapids, MI
Flight plan
IFR

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Registration
N1200L
Reported as
Cessna 421C
Category
Airplane
Serial number
421C-1257
Airframe hours
378
Engine
Continental GTSIO-520-N, 375 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Michael R. Meyers
Airworthiness certificate
Standard, Normal
Last inspection
Unknown · October 1, 1984 · 138 hours before
Departed
DET · Detroit, MI
Destination
DPA · West Chicago, IL

Flight crew · 2

As NTSB recorded them. NTSB leaves out names.

Role
Pilot, aircraft N1965
Age
50
Certificate
Airline transport
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
14,000 total · 4,500 in this make and model
Role
Pilot, aircraft N1200L
Age
38
Certificate
Private
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
1,640 total · 408 in this make and model · 3 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.