# NTSB MIA88LA220: Classic YMF-5, N99Y, Key West, FL, July 13, 1988

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 13, 1988, 13:50 local (17:50 UTC)
- Place: Key West, FL
- Coordinates: 24.549659, -81.780738 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=24.5497&lon=-81.7807&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report July 10, 1989
- Report: Approved by Office Director
- NTSB case key (mKey): 32210
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA88LA220
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/32210/pdf
- Page: https://openairdocs.org/ntsb/MIA88LA220

## Sequence of events

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

- On ground/water collision with object, taxi - from landing
  - object - vehicle (contributing factor)
  - proper assistance - not obtained, pilot in command (cause)
  - visual/aural perception, pilot in command (cause)

## Analysis

WHILE TURNING THE ACFT AROUND AT THE OPERATOR'S ESTABLISHMENT AFTER COMPLETING A SIGHTSEEING FLT, THE LOWER LEFT WING COLLIDED WITH A VEHICLE.

## Aircraft

- Registration: [N99Y](https://openairdocs.org/aircraft/N99Y), registered now, S/N F5-002, built 1986 (OpenAirDocs)
- Reported make and model: Classic Aircraft Corp. YMF-5
- Registry model: [Waco YMF](https://openairdocs.org/model/waco-ymf) (registry code 9600411) (OpenAirDocs)
- Registry engine: [Jacobs R755B series](https://openairdocs.org/engine/jacobs-r755b-series) (registry code 35007, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: F5-002
- Airframe hours: 1004
- Engines: JACOBS R-755-B2 275 horsepower reciprocating
- Damage: Substantial damage
- Flight: Part 91
- Registered owner: Conch Classic Air Tours, Inc.
- Last inspection: Annual, April 30, 1988, 182 hours before
- Airport: EYW, Key West International

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 58; airline transport, commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: rear; flight hours: 6,350 total

## Weather

- Conditions: Visual (VMC), Day
- Wind: 20° at 5 knots
- Visibility: 7 statute miles
- Lowest ceiling: 8,000 ft broken
- Temperature: 81 °F, dew point 73 °F
- Altimeter: 30.00 inHg
- Observed at: CYW

## 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 19880713027949A](https://openairdocs.org/incident/19880713027949A), Jul 13, 1988: Waco YMF, Key West, FL, Substantial damage. Collided with a vehicle while turning around at operators establishment after landing. Sustained substantial damage

## Other investigations on N99Y (3)

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.

- [NTSB GAA16CA089](https://openairdocs.org/ntsb/GAA16CA089), Dec 25, 2015: Waco YMF (N99Y), Fullerton, CA, substantial damage. Probable cause: The pilot's failure to maintain directional control during the landing roll.
- [NTSB MIA89LA076](https://openairdocs.org/ntsb/MIA89LA076), Feb 3, 1989: Waco YMF (N99Y), Key West, FL, substantial damage. Probable cause: THE INABILITY OF THE PLT TO MAINTAIN CONTROL AFTER ENCOUNTERING HIS OWN WAKE TURBULENCE AT A LOW ALTITUDE DURING A STEEP TURNING MANEUVER.
- [NTSB MIA87LA007](https://openairdocs.org/ntsb/MIA87LA007), Oct 15, 1986: Waco YMF (N99Y), Key West, FL, substantial damage

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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