August 1987 Philippine coup attempt

Also known as: August 28, 1987 coup attempt — the single-day styling of the main fighting · The August 1987 RAM coup — the designation tying the attempt to its movement · The sixth coup attempt against Corazon Aquino — its ordinal place in the nine-attempt count

Government

Definition

The August 1987 Philippine coup attempt — the fighting of August 28, 1987, in a sequence running from the night of August 27 to the surrenders of August 29 — was the bloodiest of the coup attempts mounted against the government of President Corazon Aquino up to that time, outdone only by the December 1989 attempt this wiki’s entry on the 1989 Philippine Coup Attempt records. It was staged by the Reform the Armed Forces Movement (RAM) under Colonel Gregorio “Gringo” Honasan, who had trained and indoctrinated Scout Ranger and Special Forces students at Fort Magsaysay as his coup force; on the night of August 27 more than 2,000 rebels rode south from that camp in commandeered buses, trucks, and three tanks. (Wikipedia — August 1987 coup, Wikipedia — Coup attempts against Aquino)

The rebels attacked Malacañang — repulsed by the Presidential Security Group and Marines around 1:45 in the morning — seized parts of Camp Aguinaldo including the Defense Department headquarters, took the lower floors of Villamor Air Base, and occupied the compounds of ABS-CBN, PTV-4, RPN-9, and IBC-13, while provincial units rose in Pampanga, Albay, Cagayan, and Cebu. (Wikipedia — August 1987 coup) Loyalist forces under AFP Chief of Staff General Fidel Ramos retook the camps and stations through August 28; the last fifty mutineers surrendered at Camp Olivas on August 29, and Honasan escaped by helicopter. The attempt left 53 dead — among them civilians and two photographers — and 358 wounded, with damage of about P450 million (US$22.5 million). (Wikipedia — August 1987 coup, Wikipedia — Coup attempts against Aquino) The aftermath produced mass prosecutions and, through the Ramos-era amnesties of 1994 to 1996, the reintegration of the mutineers into political life. (LawPhil — Proc 347, LawPhil — Proc 723)

Identities

Authority	Value
Wikipedia	https://en.wikipedia.org/wiki/August_1987_Philippine_coup_attempt
Wikidata	Q122227259 (August 1987 Philippine coup attempt)
DBpedia	https://dbpedia.org/page/August_1987_Philippine_coup_attempt
ProductOntology	http://productontology.org/doc/August_1987_Philippine_coup_attempt
Wiktionary	N/A
Library of Congress Subject Headings	N/A
MeSH	N/A
NCBI Taxonomy	N/A
AGROVOC	N/A
Google Scholar	https://scholar.google.com/scholar?q=%22August+1987+Philippine+coup+attempt%22
ConceptNet	N/A
OpenCyc	N/A

Also Known As

August 28, 1987 coup attempt — the single-day styling of the main fighting
The August 1987 RAM coup — the designation tying the attempt to its movement
The sixth coup attempt against Corazon Aquino — its ordinal place in the nine-attempt count

Examples and Analogies

A coup moved by bus: the operation’s signature image is the night ride of August 27 — a rebel brigade leaving Fort Magsaysay in commandeered buses and trucks with three tanks, a mutiny that began as a convoy. (Wikipedia — August 1987 coup)
The bridge as the civilians’ ground: at Nagtahan Bridge, unarmed civilians jeered the retreating assault, and the rebels fired into them, killing eleven, ten of them minors — the massacre that fixed the attempt’s moral reckoning in public memory. (Wikipedia — August 1987 coup)
The heir in the line of fire: the president’s son, Benigno Aquino III, was ambushed by rebels while returning to the palace, hit by five bullets, one lodged permanently in his neck, with three companions killed — the wounding this wiki’s entry on Benigno Aquino III records in his biography. (Wikipedia — August 1987 coup)
Verified operational data:
Dates: night of August 27 to August 29, 1987; main fighting August 28
Principal rebel leaders: Col. Gregorio Honasan (overall), with Edgardo Abenina (Cebu and the Central Visayas), Federico Pasion (Villamor Air Base), Reynaldo Berroya (Camp Olivas), and Rodolfo Aguinaldo (Tuguegarao)
Sites attacked or seized: Malacañang (attack repulsed ~1:45 a.m.), Nagtahan Bridge, Camp Aguinaldo (parts, including the Defense Department headquarters), Villamor Air Base (lower floors), ABS-CBN, PTV-4, RPN-9, IBC-13; Camp Olivas and Basa Air Base (Pampanga), Legazpi Airport (Albay), the Tuguegarao garrison (Cagayan), Cebu City
Loyalist commanders: President Aquino; Gen. Fidel Ramos (AFP Chief of Staff), with Renato de Villa, Ramon Montaño, Eduardo Ermita, Antonio Sotelo, and Rodolfo Biazon; Voltaire Gazmin (defense of Malacañang); Alfredo Lim (retaking of the broadcast stations)
Casualties and damage: 53 dead (including civilians and two photographers) and 358 wounded; about P450 million (US$22.5 million)
End: loyalist recovery of the camps and stations through August 28; last fifty mutineers surrendered at Camp Olivas, August 29; Honasan escaped by helicopter

Usage Scenarios

1. Studying Civil–Military Relations After 1986

The attempt is the mid-point case of the Aquino-era coup series and the standard reference for how a restored civilian government survived its army’s most serious challenge to that date. (Wikipedia — August 1987 coup, Wikipedia — Coup attempts against Aquino)

2. Tracing the Enrile Connection

The attempt is inseparable from Juan Ponce Enrile’s career: dismissed as Defense Minister in November 1986 after the Davide Commission later found him and RAM members the primary instigators of the “God Save the Queen” plot, he took a Senate seat in August 1987 — and in the coup’s aftermath was detained in Camp Aguinaldo on suspicion of planning it with Honasan, released days later for lack of evidence. The documented record stops at suspicion denied and detention unsustained. (Wikipedia — Enrile, Wikipedia — God Save the Queen Plot)

3. Following the Amnesty Arc

The attempt’s legal afterlife runs from courts-martial to proclamations: Proclamation No. 347 (March 25, 1994) granted amnesty for rebellion and coup d’état committed in pursuit of political beliefs; the General Agreement on Peace with RAM–SFP–YOU of October 13, 1995 framed the settlement; and Proclamation No. 723 (May 17, 1996) gave the signatories amnesty for acts between February 22, 1986 and December 23, 1992 — the window that closes over both this attempt and the plot that preceded it. (LawPhil — Proc 347, LawPhil — Proc 723)

Strategies

Count the coups explicitly: tallies differ — six, seven, or nine depending on the threshold for minor mutinies, the variance this wiki’s entry on the 1989 Philippine Coup Attempt notes — so name the count being used; in the nine-count, this attempt is the sixth. (Wikipedia — Coup attempts against Aquino)
Attribute the Enrile question to its instruments: the adjudicated finding against Enrile concerns the November 1986 plot, not this attempt; for August 1987 the record is his denial, his detention, and his release for lack of evidence. (Wikipedia — Enrile, Wikipedia — God Save the Queen Plot)
Follow the officers forward: the attempt’s provincial commanders map the decade’s next crises — Aguinaldo to the Cagayan governorship in 1988 and his own 1990 rebellion, Berroya to a 1989 conviction for the Camp Olivas seizure. (Wikipedia — August 1987 coup)
For researchers: treat the casualty and damage figures — 53 dead, 358 wounded, P450 million — as the standard published figures of a contested week, not an audited accounting. (Wikipedia — August 1987 coup)

Security and Safety Measures

The palace held: the Presidential Security Group under Voltaire Gazmin, reinforced by Marines, repelled the Malacañang assault within the first hours — the defense that kept the government’s command intact. (Wikipedia — August 1987 coup)
Broadcast recovery as a security operation: Alfredo Lim’s police retook the four seized broadcast compounds by mid-afternoon of August 28, restoring the government’s information channels as a distinct objective. (Wikipedia — August 1987 coup)
The shoot-to-kill order: AFP Chief of Staff Fidel Ramos issued a shoot-to-kill order against Honasan after the attempt — the documented escalation of the manhunt to lethal force. (Wikipedia — August 1987 coup)
Prosecution, then amnesty: at least 507 military personnel were charged and 595 cleared; nine officers including Berroya were convicted in 1989 for the Camp Olivas seizure, before the amnesties of 1994 to 1996 extinguished the remaining liabilities — the official-record register of instruments, findings, and adjudicated outcomes, with responsibility attributed. (Wikipedia — August 1987 coup, LawPhil — Proc 723)

Historical Context

The attempt grew from the legitimacy crisis that opened with the disputed 1986 snap election and the People Power Revolution, the arc this wiki’s entries on the 1986 Snap Presidential Election and Corazon Aquino record. RAM — the reformist faction Honasan built inside the officer corps, once tied to Enrile’s security apparatus — had been implicated in the “God Save the Queen” plot of November 1986; the Davide Commission’s later report found Enrile and RAM members its primary instigators, Aquino dismissed Enrile from the Defense Ministry in November 1986, and Honasan’s transfer to Fort Magsaysay followed, where he built his coup force from Ranger and Special Forces trainees. (Wikipedia — Enrile, Wikipedia — God Save the Queen Plot, Wikipedia — August 1987 coup)

On the night of August 27, 1987 the convoy struck. Malacañang was attacked around 1:45 a.m. and held; at Nagtahan Bridge the rebels fired on jeering civilians, killing eleven; at Camp Aguinaldo rebels seized the Defense Department headquarters while loyalists held the GHQ building, which caught fire before Marines and T-28 aircraft retook the camp by about 4 p.m.; at Villamor the rebels withdrew late in the afternoon; Lim’s police recovered the broadcast stations by 2 p.m.; and the provincial risings collapsed as news of failure spread, with Philippine Military Academy cadets in Baguio mobilizing but aborting their own move. The last surrenders came on August 29; Honasan escaped by helicopter, was captured on December 9, 1987, and escaped again in 1988 from a Navy prison ship in Manila Bay by persuading his guards to join him. (Wikipedia — August 1987 coup, Wikipedia — Honasan)

The political aftermath was immediate: Aquino’s entire cabinet resigned on September 9, 1987, and the government shifted rightward. The military reckoning — 507 charged, 595 cleared, the Berroya convictions of 1989 — ran into the settlement era: Honasan emerged from the Ramos peace process to win a Senate seat in 1995, and the amnesties closed the file. (Wikipedia — August 1987 coup, Wikipedia — Honasan, LawPhil — Proc 723) RAM and Honasan returned in December 1989 with the larger, better-financed attempt that finally exhausted the coup era. (Wikipedia — 1989 Philippine coup attempt)

Challenges and Controversies

The Enrile Question

Whether the then-senator had a hand in the attempt was the crisis’s central political accusation. The verifiable record is narrow: the Davide Commission’s adjudicated finding against Enrile concerns the November 1986 plot, not August 1987; for the attempt itself he denied involvement, was detained in Camp Aguinaldo on suspicion of planning it with Honasan, and was released days later for lack of evidence. (Wikipedia — Enrile, Wikipedia — God Save the Queen Plot)

The Civilians at the Bridge

The killing of eleven unarmed civilians at Nagtahan Bridge — ten of them minors — fixed the attempt’s moral character, and the scale of fire directed at a jeering crowd has kept the incident at the center of every accounting of the mutiny’s costs. (Wikipedia — August 1987 coup)

Amnesty Versus Accountability

The negotiated peace with RAM — Proclamation No. 347’s general amnesty of March 25, 1994, the October 13, 1995 agreement, and Proclamation No. 723’s grant of May 17, 1996 — reunited the officer corps but converted a fifty-three-death mutiny into settled absolution, the same reconciliation-versus-justice argument this wiki’s entry on the 1989 Philippine Coup Attempt carries. (LawPhil — Proc 347, LawPhil — Proc 723)

Ranking the Attempts

The attempt was the most serious against Aquino up to that date; December 1989 surpassed it in casualties, scale, and financing. Any comparison should name both benchmarks — fifty-three dead here against the ninety-nine of 1989 — and the differing counts of the whole coup series. (Wikipedia — Coup attempts against Aquino, Wikipedia — 1989 Philippine coup attempt)