- Date
- June 23, 1984, 09:00 local (14:00 UTC)
- Place
- Murdo, SD
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Maneuvering
- Aircraft
- N8974HGrumman G-164A
- Weather
- Visual (VMC) · Day
- Status
- Completed
- Report
- Approved by Office Director
- FAA report
- 19840623026549A
- Case key
- 16411
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
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.
Analysis
The pilot reported the engine failed while he was in a procedure turn. The pilot made a forced landing in an open field and the acft nosed over. Examination of the engine after the accident revealed the engine 'swallowed an exhaust valve' that caused the 'cylinder head to blow off.'
Aircraft
- Registration
- N8974H
- Reported as
- Grumman G-164A
- Category
- Airplane
- Serial number
- 1347
- Airframe hours
- 3,415
- Engine
- P&W R-985, 600 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Aerial application · Part 137
- Registered owner
- Christopher L. Jung
- Airworthiness certificate
- Special, Restricted (Special)
- Last inspection
- Unknown · March 14, 1984
- Departed
- SD32 · Murdo, SD
- Airport
- SD32
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.
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 23
- Certificate
- Commercial
- Airplane ratings
- Single-engine land
- Instrument ratings
- Airplane
- Medical
- Class 2, Valid Medical--no waivers/lim.
- Seat
- Center
- Flight hours
- 2,074 total · 1,104 in this make and model · 1,980 as pilot in command · 250 in the last 90 days
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 320° at 7 knots
- Visibility
- 30 statute miles
- Lowest ceiling
- None
- Temperature
- 75 °F, dew point -0 °F
- Altimeter
- 30.00 inHg
- Observed at
- PIR, 50 nm away
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.
Other investigations on N8974H · 3
Matched to the same aircraft by N-number and date.