- Date
- October 30, 1974
- Place
- Waterloo, IA · WATERLOO, IA
- Injuries
- 2 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N9487FHughes 269B
- Status
- Completed · report December 3, 1974
- Report
- Brief approved by the director
- FAA report
- 19741030036179A
- Case key
- 140950
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 ---------------------------------------------------------------------------------------------------------------------------- 3-3389 74/10/30 WATERLOO,IOWA HUGHES 269B CR- 0 0 2 INSTRUCTIONAL COMMERCIAL, FL.INSTR., TIME - 0935 N9487F PX- 0 0 0 DUAL AGE 25, 1207 TOTAL HOURS, DAMAGE-SUBSTANTIAL OT- 0 0 0 53 IN TYPE, NOT INSTRUMENT RATED. NAME OF AIRPORT - WATERLOO MUNI DEPARTURE POINT INTENDED DESTINATION WATERLOO,IOWA LOCAL TYPE OF ACCIDENT PHASE OF OPERATION COLLISION WITH GROUND/WATER: UNCONTROLLED IN FLIGHT: OTHER PROBABLE CAUSE(S) DUAL STUDENT - MISJUDGED DISTANCE,SPEED,ALTITUDE OR CLEARANCE DUAL STUDENT - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M. PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT REMARKS- PRACTICING QUICK STOPS.
Aircraft
- Registration
- N9487F
- Reported as
- Hughes 269B
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
- Airport
- Waterloo Muni
N9487FRegistration cancelled Jan 20, 2023 · 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.
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 N9487F · 4
Matched to the same aircraft by N-number and date.
NTSB CHI88LA108Accident · Minor injuriesLimited investigationFinal reportMinneapolis, MNThe pilot was executing a downwind takeoff, the winds reportedly gusting to 25 knots, loaded with two passengers, when just after takeoff the pilot stated the helicopter experienced a loss of power. The pilot then attempted to execute an autorotation, but…NTSB CHI84LA274Accident · No injuriesLimited investigationFinal reportEden Prairie, MNThe CFI stated that while practicing a pedal turn the student pilot suddenly applied back cylic causing the tail rotor to contact the ground. The main rotor then contacted the ground and the helicopter rolled over.NTSB MKC71DDM18Accident · Minor injuriesClosedCrosby, MNNTSB MKC68F0506Accident · No injuriesClosedSt Paul, MN