- Date
- April 7, 1969
- Place
- Missoula, MT · MISSOULA, MT
- Injuries
- 2 uninjured
- Damage
- Substantial damage
- Phase of flight
- Landing
- Aircraft
- N9355FHughes 269B
- Status
- Completed · report May 28, 1969
- Report
- Brief approved by the director
- Case key
- 118574
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
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 ---------------------------------------------------------------------------------------------------------------------------- 3-0674 69/4/7 MISSOULA,MONT HUGHES 269B CR- 0 0 2 INSTRUCTIONAL COMMERCIAL, FL.INSTR., TIME - 1154 N9355F PX- 0 0 0 DUAL AGE 33, 3402 TOTAL HOURS, DAMAGE-SUBSTANTIAL OT- 0 0 0 555 IN TYPE, NOT INSTRUMENT RATED. NAME OF AIRPORT - JOHNSON-BELL TYPE OF ACCIDENT PHASE OF OPERATION HARD LANDING LANDING: POWER-OFF AUTOROTATIVE LANDING PROBABLE CAUSE(S) MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS DUAL STUDENT - IMPROPER OPERATION OF FLIGHT CONTROLS PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT FACTOR(S) DUAL STUDENT - SELECTED UNSUITABLE TERRAIN TERRAIN - WET,SOFT GROUND
Aircraft
- Registration
- N9355F
- Reported as
- Hughes 269B
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
- Airport
- Johnson-Bell
N9355FRegistration cancelled Feb 18, 2010 · Hughes 269BAirframe modelHughes 269BEngine modelLycoming I0360 series
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.
Other investigations on N9355F · 2
Matched to the same aircraft by N-number and date.
NTSB SEA00LA188Accident · Minor injuriesLimited investigationFinal reportBurlington, WAMintenance personnel not following the mandatory service bulletin procedure of not exceeding 0.0005 inch paint thickness on the cylinder flange. Factors were the fatigue separation of multiple cylinder hold down bolts resulting in looseness of the cylinder;…NTSB CHI65A0106Accident · No injuriesClosedGile, WI