- Date
- May 16, 1974
- Place
- Chicago, IL · CHICAGO, IL
- Injuries
- 15 uninjured
- Damage
- Minor damage
- Phase of flight
- Enroute
- Aircraft
- N423SSwearingen SA226T
- Status
- Completed · report October 30, 1974
- Report
- Brief approved by the director
- Safety recommendations
- Yes
- Case key
- 80142
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the incident.
On this page
NTSB brief
NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.
---------------------------------------------------------------------------------------------------------------------------- FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA F S M/N PURPOSE ---------------------------------------------------------------------------------------------------------------------------- 5-0030 74/5/16 NR.CHICAGO,ILL SWEARINGEN SA226T CR- 0 0 2 COMMERCIAL AIRLINE TRANSPORT, AGE TIME - 1443 N423S PX- 0 0 13 COMMUTER AIR CARRIER 35, 11500 TOTAL HOURS, DAMAGE-MINOR OT- 0 0 0 AIR TAXI-PASSG S-D 490 IN TYPE, INSTRUMENT RATED. CLASSIFIED AS INCIDENT DEPARTURE POINT INTENDED DESTINATION CHICAGO,ILL LAFAYETTE,IND TYPE OF ACCIDENT PHASE OF OPERATION PROPELLER/ROTOR FAILURE: PROPELLER IN FLIGHT: NORMAL CRUISE PROBABLE CAUSE(S) PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: SUBSTANDARD QUALITY CONTROL POWERPLANT - PROPELLER SYSTEM: BLADES MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE FACTOR(S) MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT SUSPECTED OR KNOWN AIRCRAFT DAMAGE PROP/ENGINE VIBRATION REMARKS- FATIGUE CRACK ORIGD AT SMALL STRESS CORROSION CRACK.144HRS.BLADE HIT PARKED AUTO.
Aircraft
- Registration
- N423S
- Reported as
- Swearingen SA226T
- Category
- Airplane
- Engine
- turbo prop
- Damage
- Minor damage