# NTSB LAX87LA130: Grumman AA-1B, N1474R, Prescott, AZ, March 2, 1987

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: March 2, 1987, 15:05 local (22:05 UTC)
- Place: Prescott, AZ
- Coordinates: 34.619556, -112.41986 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=34.6196&lon=-112.4199&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 21, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 25531
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX87LA130
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/25531/pdf
- Page: https://openairdocs.org/ntsb/LAX87LA130

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Loss of control - on ground/water, landing - roll
  - directional control - not maintained, pilot in command (cause)
  - total, pilot in command (contributing factor)
  - remedial action - delayed, pilot in command (contributing factor)
  - recovery from bounced landing - poor, pilot in command (contributing factor)
- In flight collision with terrain/water, go-around (vfr)
  - terrain condition - snowbank (contributing factor)
- Nose over, go-around (vfr)

## Analysis

DURING A LOCAL SOLO INSTRUCTIONAL FLIGHT, THE PILOT REPORTED THAT ON LANDING, THE AIRCRAFT TOUCHED-DOWN ON THE NOSEWHEEL FIRST AND BOUNCED. THE AIRCRAFT SWERVED TO THE RIGHT AND THE PILOT ADDED POWER TO INITIATE A GO-AROUND, HOWEVER, THE AIRCRAFT DID NOT CLEAR A FOUR FT SNOWBANK ON THE SIDE OF THE RUNWAY. THE AIRCRAFT COLLIDED WITH THE SNOWBANK IN A NOSE LOW ATTITUDE AND NOSED OVER. THE PILOT REPORTED NO MECHANICAL FAILURE OR MALFUNCTION WITH THE AIRCRAFT PRIOR TO THE ACCIDENT.

## Aircraft

- Registration: N1474R (not matched to a registry record)
- Reported make and model: GRUMMAN AA-1B
- Category: Airplane
- Serial number: AA1B-0574
- Airframe hours: 3315
- Engines: LYCOMING O-235-C2C 108 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Registered owner: Michael D. Collins
- Airworthiness certificate: Standard, Utility
- Last inspection: Annual, May 1, 1985
- Departed: PRC, PRESCOTT, AZ
- Airport: PRC, Prescott, runway 21, 7,616 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 39; student; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 44 total, 35 in this make and model, 17 as pilot in command, 22 in the last 90 days, 4 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 65 statute miles
- Lowest ceiling: none
- Temperature: 45 °F, dew point 25 °F
- Altimeter: 30.00 inHg
- Observed at: PRC

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19870302003849A](https://openairdocs.org/incident/19870302003849A), Mar 2, 1987: Gulstm AA1B, Prescott, AZ, Substantial damage. The student bounced the aircraft on landing. Veered as go around initiated but failed to maintain runway heading.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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